#E8390B

Closest named color: Tomato Red (#EC2D01). oklch(61.1% 0.216 33.7), rgb(232, 57, 11).

Aa

Black text reads best on this color (5.02:1).

About this color

#E8390B is a medium-dark, vivid red. In OKLCH its lightness is 61%, its chroma 0.216 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Tomato Red (#EC2D01), ΔE 0.013 away. Black text reads best on it, at 5.02:1.

Hue familyReds
Lightnessmedium-dark (61%)
Chromavivid (0.216)
Temperaturewarm
Nearest nameTomato Red (#EC2D01)
Black text5.02:1
White text4.18:1

Values

HEX#E8390B
RGBrgb(232, 57, 11)
HSLhsl(12, 91%, 48%)
OKLCHoklch(61.1% 0.216 33.7)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #E8390B 4.18:1 AA large text Lc -72.7 Content text, not long reading
Black text on #E8390B 5.02:1 AA Lc 36.9 Non-text elements, placeholder text
#E8390B text on white 4.18:1 AA large text Lc 67.2 Content text, not long reading
#E8390B text on black 5.02:1 AA Lc -34.5 Non-text elements, placeholder text

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.

  1. Step 50

    50

    #FFF2EF

    oklch(97.1% 0.015 33.1)

  2. Step 100

    100

    #FEE3DD

    oklch(93.6% 0.031 32.6)

  3. Step 200

    200

    #FDCCC0

    oklch(88.5% 0.058 34.1)

  4. Step 300

    300

    #FDA794

    oklch(80.8% 0.106 33.1)

  5. Step 400

    400

    #F77256

    oklch(70.6% 0.169 33.4)

  6. Step 500

    500 (this color)

    #E8390B

    oklch(61.1% 0.216 33.7)

  7. Step 600

    600

    #CE2E00

    oklch(55.5% 0.201 33.8)

  8. Step 700

    700

    #AF2500

    oklch(49.1% 0.178 33.7)

  9. Step 800

    800

    #901D00

    oklch(42.6% 0.154 33.8)

  10. Step 900

    900

    #7A1700

    oklch(37.8% 0.137 33.8)

  11. Step 950

    950

    #490F04

    oklch(27.1% 0.09 33.5)

Export this scale for Tailwind in the Tailwind colors tool

#E8390B with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#7163000.228
Deuteranopia (no green cones)#9C8A000.204
Tritanopia (no blue cones)#FF00330.060
Achromatopsia (no color)#7C7C7C0.218

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #E8390B

    #E8390B

    oklch(61.1% 0.216 33.7)

  • #0093AA

    #0093AA

    oklch(61% 0.107 213.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #E8390B

    #E8390B

    oklch(61.1% 0.216 33.7)

  • #E33075

    #E33075

    oklch(61% 0.217 3.7)

  • #BC6E00

    #BC6E00

    oklch(61.1% 0.139 63.6)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #E8390B

    #E8390B

    oklch(61.1% 0.216 33.7)

  • #00988A

    #00988A

    oklch(61% 0.108 183.5)

  • #008AD5

    #008AD5

    oklch(61% 0.15 243.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #E8390B

    #E8390B

    oklch(61.1% 0.216 33.7)

  • #009D55

    #009D55

    oklch(61.1% 0.155 153.6)

  • #606FFF

    #606FFF

    oklch(61% 0.212 273.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #E8390B

    #E8390B

    oklch(61.1% 0.216 33.7)

  • #719100

    #719100

    oklch(61% 0.151 123.8)

  • #0093AA

    #0093AA

    oklch(61% 0.107 213.9)

  • #A056EA

    #A056EA

    oklch(61% 0.216 303.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #E8390B, closest first.

No curated palette has a color within ΔE 0.04 of #E8390B.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #E8390B in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.