#DA181E

Closest named color: Crimson (#DC143C). oklch(56.6% 0.221 27.3), rgb(218, 24, 30).

Aa

White text reads best on this color (5.08:1).

About this color

#DA181E is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.221 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.028 away. White text reads best on it, at 5.08:1.

Hue familyReds
Lightnessmedium-dark (57%)
Chromavivid (0.221)
Temperaturewarm
Nearest nameCrimson (#DC143C)
Black text4.13:1
White text5.08:1

Values

HEX#DA181E
RGBrgb(218, 24, 30)
HSLhsl(358, 80%, 47%)
OKLCHoklch(56.6% 0.221 27.3)

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 #DA181E 5.08:1 AA Lc -78.2 Fine for body text
Black text on #DA181E 4.13:1 AA large text Lc 31.3 Non-text elements, placeholder text
#DA181E text on white 5.08:1 AA Lc 72.8 Content text, not long reading
#DA181E text on black 4.13:1 AA large text Lc -28.9 Dividers and decoration only

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

    #FDE3DF

    oklch(93.6% 0.029 28.1)

  3. Step 200

    200

    #FCCCC5

    oklch(88.5% 0.056 27.9)

  4. Step 300

    300

    #FAA89E

    oklch(80.9% 0.099 27.1)

  5. Step 400

    400

    #F47468

    oklch(70.8% 0.16 27.3)

  6. Step 500

    500

    #EB463E

    oklch(63.1% 0.203 27.4)

  7. Step 600

    600 (this color)

    #DA181E

    oklch(56.6% 0.221 27.3)

  8. Step 700

    700

    #B70010

    oklch(49% 0.2 27.3)

  9. Step 800

    800

    #96070F

    oklch(42.6% 0.17 27.2)

  10. Step 900

    900

    #791715

    oklch(37.8% 0.133 27.2)

  11. Step 950

    950

    #47100D

    oklch(26.9% 0.084 27.4)

Export this scale for Tailwind in the Tailwind colors tool

#DA181E 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)#5F541A0.242
Deuteranopia (no green cones)#8C7C0F0.217
Tritanopia (no blue cones)#F1001F0.045
Achromatopsia (no color)#6E6E6E0.223

Harmonies

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

Complementary

The opposite hue (180°).

  • #DA181E

    #DA181E

    oklch(56.6% 0.221 27.3)

  • #008693

    #008693

    oklch(56.7% 0.097 206.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #DA181E

    #DA181E

    oklch(56.6% 0.221 27.3)

  • #D11777

    #D11777

    oklch(56.6% 0.221 357.5)

  • #B05D00

    #B05D00

    oklch(56.5% 0.137 57.1)

Open the analogous palette in the generator

Split complementary

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

  • #DA181E

    #DA181E

    oklch(56.6% 0.221 27.3)

  • #008A75

    #008A75

    oklch(56.6% 0.105 176.9)

  • #007FB6

    #007FB6

    oklch(56.6% 0.125 237.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #DA181E

    #DA181E

    oklch(56.6% 0.221 27.3)

  • #008F34

    #008F34

    oklch(56.6% 0.167 147.3)

  • #3E64F5

    #3E64F5

    oklch(56.5% 0.221 267.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #DA181E

    #DA181E

    oklch(56.6% 0.221 27.3)

  • #717F00

    #717F00

    oklch(56.5% 0.131 117.2)

  • #008693

    #008693

    oklch(56.7% 0.097 206.8)

  • #884AE4

    #884AE4

    oklch(56.5% 0.221 297.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #DA181E, closest first.

Similar named colors

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

Use #DA181E 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.