#E1301F

Closest named color: Tomato Red (#EC2D01). oklch(59.2% 0.214 30.1), rgb(225, 48, 31).

Aa

Black text reads best on this color (4.64:1).

About this color

#E1301F is a medium-dark, vivid red. In OKLCH its lightness is 59%, its chroma 0.214 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Tomato Red (#EC2D01), ΔE 0.023 away. Black text reads best on it, at 4.64:1.

Hue familyReds
Lightnessmedium-dark (59%)
Chromavivid (0.214)
Temperaturewarm
Nearest nameTomato Red (#EC2D01)
Black text4.64:1
White text4.52:1

Values

HEX#E1301F
RGBrgb(225, 48, 31)
HSLhsl(5, 76%, 50%)
OKLCHoklch(59.2% 0.214 30.1)

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 #E1301F 4.52:1 AA Lc -75.1 Fine for body text
Black text on #E1301F 4.64:1 AA Lc 34.4 Non-text elements, placeholder text
#E1301F text on white 4.52:1 AA Lc 69.6 Content text, not long reading
#E1301F text on black 4.64:1 AA Lc -32.0 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 600.

  1. Step 50

    50

    #FEF2F0

    oklch(97% 0.013 28.9)

  2. Step 100

    100

    #FCE3DF

    oklch(93.5% 0.028 28.5)

  3. Step 200

    200

    #FBCDC4

    oklch(88.6% 0.054 31)

  4. Step 300

    300

    #F9A99C

    oklch(80.9% 0.097 29.5)

  5. Step 400

    400

    #F17765

    oklch(70.7% 0.154 30)

  6. Step 500

    500

    #E84B38

    oklch(63.1% 0.197 30.3)

  7. Step 600

    600 (this color)

    #E1301F

    oklch(59.2% 0.214 30.1)

  8. Step 700

    700

    #B60D00

    oklch(49.1% 0.196 30.1)

  9. Step 800

    800

    #941106

    oklch(42.6% 0.165 30)

  10. Step 900

    900

    #771B11

    oklch(37.7% 0.128 30.2)

  11. Step 950

    950

    #46120C

    oklch(27% 0.081 29.8)

Export this scale for Tailwind in the Tailwind colors tool

#E1301F 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)#6A5E1A0.229
Deuteranopia (no green cones)#9584110.207
Tritanopia (no blue cones)#F8002F0.050
Achromatopsia (no color)#7676760.216

Harmonies

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

Complementary

The opposite hue (180°).

  • #E1301F

    #E1301F

    oklch(59.2% 0.214 30.1)

  • #008EA0

    #008EA0

    oklch(59.3% 0.103 210.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #E1301F

    #E1301F

    oklch(59.2% 0.214 30.1)

  • #DA2B78

    #DA2B78

    oklch(59.3% 0.214 0.3)

  • #B86600

    #B86600

    oklch(59.2% 0.139 60)

Open the analogous palette in the generator

Split complementary

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

  • #E1301F

    #E1301F

    oklch(59.2% 0.214 30.1)

  • #009280

    #009280

    oklch(59.1% 0.107 180)

  • #0086C6

    #0086C6

    oklch(59.2% 0.136 240.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #E1301F

    #E1301F

    oklch(59.2% 0.214 30.1)

  • #009745

    #009745

    oklch(59.1% 0.162 150.2)

  • #506CFB

    #506CFB

    oklch(59.2% 0.214 270.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #E1301F

    #E1301F

    oklch(59.2% 0.214 30.1)

  • #748900

    #748900

    oklch(59.2% 0.14 119.9)

  • #008EA0

    #008EA0

    oklch(59.3% 0.103 210.4)

  • #9453E7

    #9453E7

    oklch(59.1% 0.214 300.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #E1301F, closest first.

Similar named colors

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

Use #E1301F 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.