#D91105

Closest named color: Crimson (#DC143C). oklch(56% 0.224 29.7), rgb(217, 17, 5).

Aa

White text reads best on this color (5.20:1).

About this color

#D91105 is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.224 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.039 away. White text reads best on it, at 5.20:1.

Hue familyReds
Lightnessmedium-dark (56%)
Chromavivid (0.224)
Temperaturewarm
Nearest nameCrimson (#DC143C)
Black text4.03:1
White text5.20:1

Values

HEX#D91105
RGBrgb(217, 17, 5)
HSLhsl(3, 95%, 44%)
OKLCHoklch(56% 0.224 29.7)

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 #D91105 5.20:1 AA Lc -78.7 Fine for body text
Black text on #D91105 4.03:1 AA large text Lc 30.8 Non-text elements, placeholder text
#D91105 text on white 5.20:1 AA Lc 73.3 Content text, not long reading
#D91105 text on black 4.03:1 AA large text Lc -28.4 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

    #FCCCC4

    oklch(88.5% 0.056 29.2)

  4. Step 300

    300

    #FBA89A

    oklch(80.9% 0.101 30)

  5. Step 400

    400

    #F47462

    oklch(70.6% 0.161 29.8)

  6. Step 500

    500

    #EC4534

    oklch(63.1% 0.206 29.7)

  7. Step 600

    600 (this color)

    #D91105

    oklch(56% 0.224 29.7)

  8. Step 700

    700

    #B70600

    oklch(49.1% 0.199 29.6)

  9. Step 800

    800

    #970501

    oklch(42.7% 0.172 29.5)

  10. Step 900

    900

    #79170E

    oklch(37.7% 0.134 29.9)

  11. Step 950

    950

    #47100A

    oklch(26.9% 0.085 29.8)

Export this scale for Tailwind in the Tailwind colors tool

#D91105 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)#5E52000.244
Deuteranopia (no green cones)#8B7B000.217
Tritanopia (no blue cones)#F000150.046
Achromatopsia (no color)#6D6D6D0.225

Harmonies

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

Complementary

The opposite hue (180°).

  • #D91105

    #D91105

    oklch(56% 0.224 29.7)

  • #008393

    #008393

    oklch(55.9% 0.097 209.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #D91105

    #D91105

    oklch(56% 0.224 29.7)

  • #D10970

    #D10970

    oklch(56% 0.224 359.6)

  • #AB5E00

    #AB5E00

    oklch(56% 0.132 59.7)

Open the analogous palette in the generator

Split complementary

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

  • #D91105

    #D91105

    oklch(56% 0.224 29.7)

  • #008876

    #008876

    oklch(56.1% 0.102 179.1)

  • #007CB7

    #007CB7

    oklch(55.9% 0.128 240)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #D91105

    #D91105

    oklch(56% 0.224 29.7)

  • #008C3E

    #008C3E

    oklch(55.9% 0.155 149.8)

  • #4560F5

    #4560F5

    oklch(56.1% 0.224 269.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #D91105

    #D91105

    oklch(56% 0.224 29.7)

  • #6C7F00

    #6C7F00

    oklch(56.1% 0.133 119.6)

  • #008393

    #008393

    oklch(55.9% 0.097 209.7)

  • #8B45E1

    #8B45E1

    oklch(56% 0.224 299.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #D91105, closest first.

No curated palette has a color within ΔE 0.04 of #D91105.

Similar named colors

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

Use #D91105 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.