#E11F3B

Closest named color: Crimson (#DC143C). oklch(58.5% 0.221 21.6), rgb(225, 31, 59).

Aa

White text reads best on this color (4.70:1).

About this color

#E11F3B is a medium-dark, vivid red. In OKLCH its lightness is 58%, its chroma 0.221 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.015 away. White text reads best on it, at 4.70:1.

Hue familyReds
Lightnessmedium-dark (58%)
Chromavivid (0.221)
Temperaturewarm
Nearest nameCrimson (#DC143C)
Black text4.46:1
White text4.70:1

Values

HEX#E11F3B
RGBrgb(225, 31, 59)
HSLhsl(351, 76%, 50%)
OKLCHoklch(58.5% 0.221 21.6)

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 #E11F3B 4.70:1 AA Lc -76.1 Fine for body text
Black text on #E11F3B 4.46:1 AA large text Lc 33.5 Non-text elements, placeholder text
#E11F3B text on white 4.70:1 AA Lc 70.6 Content text, not long reading
#E11F3B text on black 4.46:1 AA large text Lc -31.1 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

    #FEF2F1

    oklch(97% 0.013 23.2)

  2. Step 100

    100

    #FDE3E1

    oklch(93.6% 0.029 23)

  3. Step 200

    200

    #FCCBC9

    oklch(88.4% 0.056 21)

  4. Step 300

    300

    #FBA7A4

    oklch(81% 0.1 21.7)

  5. Step 400

    400

    #F47273

    oklch(70.7% 0.16 21.6)

  6. Step 500

    500

    #EB434F

    oklch(63.1% 0.204 21.5)

  7. Step 600

    600 (this color)

    #E11F3B

    oklch(58.5% 0.221 21.6)

  8. Step 700

    700

    #B60028

    oklch(49% 0.197 21.7)

  9. Step 800

    800

    #960220

    oklch(42.6% 0.17 21.6)

  10. Step 900

    900

    #79151F

    oklch(37.7% 0.133 21.8)

  11. Step 950

    950

    #471013

    oklch(27% 0.083 21.8)

Export this scale for Tailwind in the Tailwind colors tool

#E11F3B 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)#615A3A0.245
Deuteranopia (no green cones)#9082340.223
Tritanopia (no blue cones)#F8002D0.045
Achromatopsia (no color)#7373730.223

Harmonies

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

Complementary

The opposite hue (180°).

  • #E11F3B

    #E11F3B

    oklch(58.5% 0.221 21.6)

  • #008D94

    #008D94

    oklch(58.5% 0.1 201)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #E11F3B

    #E11F3B

    oklch(58.5% 0.221 21.6)

  • #D4258A

    #D4258A

    oklch(58.5% 0.222 351.7)

  • #BF5C00

    #BF5C00

    oklch(58.5% 0.151 51.8)

Open the analogous palette in the generator

Split complementary

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

  • #E11F3B

    #E11F3B

    oklch(58.5% 0.221 21.6)

  • #009173

    #009173

    oklch(58.5% 0.114 171.4)

  • #0087B5

    #0087B5

    oklch(58.5% 0.118 231.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #E11F3B

    #E11F3B

    oklch(58.5% 0.221 21.6)

  • #179600

    #179600

    oklch(58.5% 0.195 141.7)

  • #2670FC

    #2670FC

    oklch(58.5% 0.221 261.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #E11F3B

    #E11F3B

    oklch(58.5% 0.221 21.6)

  • #7F8200

    #7F8200

    oklch(58.4% 0.129 111.4)

  • #008D94

    #008D94

    oklch(58.5% 0.1 201)

  • #8355F1

    #8355F1

    oklch(58.5% 0.222 291.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #E11F3B, closest first.

Similar named colors

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

Use #E11F3B 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.