#DA1B1A

Closest named color: Crimson (#DC143C). oklch(56.7% 0.22 28.2), rgb(218, 27, 26).

Aa

White text reads best on this color (5.05:1).

About this color

#DA1B1A is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.220 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.032 away. White text reads best on it, at 5.05:1.

Hue familyReds
Lightnessmedium-dark (57%)
Chromavivid (0.220)
Temperaturewarm
Nearest nameCrimson (#DC143C)
Black text4.15:1
White text5.05:1

Values

HEX#DA1B1A
RGBrgb(218, 27, 26)
HSLhsl(0, 79%, 48%)
OKLCHoklch(56.7% 0.22 28.2)

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 #DA1B1A 5.05:1 AA Lc -78.1 Fine for body text
Black text on #DA1B1A 4.15:1 AA large text Lc 31.4 Non-text elements, placeholder text
#DA1B1A text on white 5.05:1 AA Lc 72.7 Content text, not long reading
#DA1B1A text on black 4.15:1 AA large text Lc -29.0 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

    #FEF2F0

    oklch(97% 0.013 28.9)

  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

    #FAA89D

    oklch(80.9% 0.099 27.8)

  5. Step 400

    400

    #F37567

    oklch(70.7% 0.158 28.2)

  6. Step 500

    500

    #EB473C

    oklch(63.2% 0.202 28.2)

  7. Step 600

    600 (this color)

    #DA1B1A

    oklch(56.7% 0.22 28.2)

  8. Step 700

    700

    #B80009

    oklch(49.2% 0.201 28.2)

  9. Step 800

    800

    #96090B

    oklch(42.7% 0.169 28.2)

  10. Step 900

    900

    #781813

    oklch(37.6% 0.131 28.3)

  11. Step 950

    950

    #47110D

    oklch(27% 0.083 28.2)

Export this scale for Tailwind in the Tailwind colors tool

#DA1B1A 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)#6055150.240
Deuteranopia (no green cones)#8D7D070.216
Tritanopia (no blue cones)#F1001F0.045
Achromatopsia (no color)#6F6F6F0.221

Harmonies

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

Complementary

The opposite hue (180°).

  • #DA1B1A

    #DA1B1A

    oklch(56.7% 0.22 28.2)

  • #008694

    #008694

    oklch(56.7% 0.097 207.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #DA1B1A

    #DA1B1A

    oklch(56.7% 0.22 28.2)

  • #D11875

    #D11875

    oklch(56.6% 0.22 358.3)

  • #AF5E00

    #AF5E00

    oklch(56.6% 0.135 58.2)

Open the analogous palette in the generator

Split complementary

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

  • #DA1B1A

    #DA1B1A

    oklch(56.7% 0.22 28.2)

  • #008A77

    #008A77

    oklch(56.7% 0.104 178.5)

  • #007FB7

    #007FB7

    oklch(56.6% 0.126 238.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #DA1B1A

    #DA1B1A

    oklch(56.7% 0.22 28.2)

  • #008F39

    #008F39

    oklch(56.7% 0.163 148.3)

  • #4264F5

    #4264F5

    oklch(56.7% 0.22 268.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #DA1B1A

    #DA1B1A

    oklch(56.7% 0.22 28.2)

  • #708000

    #708000

    oklch(56.7% 0.132 118.1)

  • #008694

    #008694

    oklch(56.7% 0.097 207.7)

  • #8A4AE3

    #8A4AE3

    oklch(56.6% 0.22 298.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #DA1B1A, closest first.

Similar named colors

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

Use #DA1B1A 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.