#E0182C

Closest named color: Crimson (#DC143C). oklch(57.8% 0.225 24.7), rgb(224, 24, 44).

Aa

White text reads best on this color (4.84:1).

About this color

#E0182C is a medium-dark, vivid red. In OKLCH its lightness is 58%, its chroma 0.225 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.020 away. White text reads best on it, at 4.84:1.

Hue familyReds
Lightnessmedium-dark (58%)
Chromavivid (0.225)
Temperaturewarm
Nearest nameCrimson (#DC143C)
Black text4.33:1
White text4.84:1

Values

HEX#E0182C
RGBrgb(224, 24, 44)
HSLhsl(354, 81%, 49%)
OKLCHoklch(57.8% 0.225 24.7)

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 #E0182C 4.84:1 AA Lc -76.8 Fine for body text
Black text on #E0182C 4.33:1 AA large text Lc 32.8 Non-text elements, placeholder text
#E0182C text on white 4.84:1 AA Lc 71.3 Content text, not long reading
#E0182C text on black 4.33:1 AA large text Lc -30.4 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

    #FFF2F1

    oklch(97.1% 0.014 22.8)

  2. Step 100

    100

    #FDE3E0

    oklch(93.6% 0.029 25.6)

  3. Step 200

    200

    #FCCCC7

    oklch(88.6% 0.055 25.2)

  4. Step 300

    300

    #FBA7A0

    oklch(80.9% 0.101 24.8)

  5. Step 400

    400

    #F5726C

    oklch(70.7% 0.162 24.7)

  6. Step 500

    500

    #EC4245

    oklch(63% 0.207 24.5)

  7. Step 600

    600 (this color)

    #E0182C

    oklch(57.8% 0.225 24.7)

  8. Step 700

    700

    #B7001D

    oklch(49.1% 0.199 24.8)

  9. Step 800

    800

    #970016

    oklch(42.6% 0.173 24.8)

  10. Step 900

    900

    #791519

    oklch(37.6% 0.134 24.8)

  11. Step 950

    950

    #480F10

    oklch(27% 0.086 24.2)

Export this scale for Tailwind in the Tailwind colors tool

#E0182C 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)#60572A0.248
Deuteranopia (no green cones)#8F80220.224
Tritanopia (no blue cones)#F700240.044
Achromatopsia (no color)#7272720.226

Harmonies

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

Complementary

The opposite hue (180°).

  • #E0182C

    #E0182C

    oklch(57.8% 0.225 24.7)

  • #008A95

    #008A95

    oklch(57.8% 0.099 204.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #E0182C

    #E0182C

    oklch(57.8% 0.225 24.7)

  • #D51B81

    #D51B81

    oklch(57.9% 0.225 354.8)

  • #B85E00

    #B85E00

    oklch(57.8% 0.143 55)

Open the analogous palette in the generator

Split complementary

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

  • #E0182C

    #E0182C

    oklch(57.8% 0.225 24.7)

  • #008E76

    #008E76

    oklch(57.7% 0.109 175.1)

  • #0084B7

    #0084B7

    oklch(57.9% 0.122 234.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #E0182C

    #E0182C

    oklch(57.8% 0.225 24.7)

  • #009424

    #009424

    oklch(57.9% 0.184 144.7)

  • #346AFC

    #346AFC

    oklch(57.8% 0.225 264.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #E0182C

    #E0182C

    oklch(57.8% 0.225 24.7)

  • #788200

    #788200

    oklch(57.8% 0.131 115)

  • #008A95

    #008A95

    oklch(57.8% 0.099 204.7)

  • #884FED

    #884FED

    oklch(57.8% 0.225 295)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #E0182C, closest first.

Similar named colors

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

Use #E0182C 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.