#E03020

Closest named color: Tomato Red (#EC2D01). oklch(59.1% 0.213 29.9), rgb(224, 48, 32).

Aa

Black text reads best on this color (4.61:1).

About this color

#E03020 is a medium-dark, vivid red. In OKLCH its lightness is 59%, its chroma 0.213 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Tomato Red (#EC2D01), ΔE 0.025 away. Black text reads best on it, at 4.61:1.

Hue familyReds
Lightnessmedium-dark (59%)
Chromavivid (0.213)
Temperaturewarm
Nearest nameTomato Red (#EC2D01)
Black text4.61:1
White text4.55:1

Values

HEX#E03020
RGBrgb(224, 48, 32)
HSLhsl(5, 76%, 50%)
OKLCHoklch(59.1% 0.213 29.9)

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 #E03020 4.55:1 AA Lc -75.4 Fine for body text
Black text on #E03020 4.61:1 AA Lc 34.2 Non-text elements, placeholder text
#E03020 text on white 4.55:1 AA Lc 69.9 Content text, not long reading
#E03020 text on black 4.61:1 AA Lc -31.8 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

    #FBCDC5

    oklch(88.6% 0.054 29.6)

  4. Step 300

    300

    #F8A99C

    oklch(80.8% 0.096 29.6)

  5. Step 400

    400

    #F17765

    oklch(70.7% 0.154 30)

  6. Step 500

    500

    #E84B39

    oklch(63.1% 0.196 30)

  7. Step 600

    600 (this color)

    #E03020

    oklch(59.1% 0.213 29.9)

  8. Step 700

    700

    #B60A00

    oklch(49% 0.197 29.9)

  9. Step 800

    800

    #941207

    oklch(42.7% 0.164 30)

  10. Step 900

    900

    #771B12

    oklch(37.7% 0.128 29.8)

  11. Step 950

    950

    #46120C

    oklch(27% 0.081 29.8)

Export this scale for Tailwind in the Tailwind colors tool

#E03020 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)#695D1B0.229
Deuteranopia (no green cones)#9484130.208
Tritanopia (no blue cones)#F7002F0.050
Achromatopsia (no color)#7676760.215

Harmonies

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

Complementary

The opposite hue (180°).

  • #E03020

    #E03020

    oklch(59.1% 0.213 29.9)

  • #008D9F

    #008D9F

    oklch(59% 0.102 210.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #E03020

    #E03020

    oklch(59.1% 0.213 29.9)

  • #D92B78

    #D92B78

    oklch(59.1% 0.214 0.1)

  • #B76600

    #B76600

    oklch(59.1% 0.138 60.4)

Open the analogous palette in the generator

Split complementary

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

  • #E03020

    #E03020

    oklch(59.1% 0.213 29.9)

  • #009280

    #009280

    oklch(59.1% 0.107 180)

  • #0086C5

    #0086C5

    oklch(59.1% 0.135 239.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #E03020

    #E03020

    oklch(59.1% 0.213 29.9)

  • #009744

    #009744

    oklch(59.1% 0.163 149.9)

  • #4F6CFA

    #4F6CFA

    oklch(59.1% 0.213 269.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #E03020

    #E03020

    oklch(59.1% 0.213 29.9)

  • #738800

    #738800

    oklch(58.9% 0.14 120)

  • #008D9F

    #008D9F

    oklch(59% 0.102 210.5)

  • #9353E6

    #9353E6

    oklch(59% 0.213 299.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #E03020, closest first.

Similar named colors

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

Use #E03020 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.