#D91300

Closest named color: Crimson (#DC143C). oklch(56.1% 0.224 30.2), rgb(217, 19, 0).

Aa

White text reads best on this color (5.19:1).

About this color

#D91300 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 0.041 away. White text reads best on it, at 5.19:1.

Hue familyReds
Lightnessmedium-dark (56%)
Chromavivid (0.224)
Temperaturewarm
Nearest nameCrimson (#DC143C)
Black text4.04:1
White text5.19:1

Values

HEX#D91300
RGBrgb(217, 19, 0)
HSLhsl(5, 100%, 43%)
OKLCHoklch(56.1% 0.224 30.2)

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 #D91300 5.19:1 AA Lc -78.7 Fine for body text
Black text on #D91300 4.04:1 AA large text Lc 30.8 Non-text elements, placeholder text
#D91300 text on white 5.19:1 AA Lc 73.3 Content text, not long reading
#D91300 text on black 4.04:1 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

    #FDE3DE

    oklch(93.6% 0.03 30.6)

  3. Step 200

    200

    #FCCCC3

    oklch(88.5% 0.056 30.5)

  4. Step 300

    300

    #FBA89A

    oklch(80.9% 0.101 30)

  5. Step 400

    400

    #F47461

    oklch(70.6% 0.161 30.2)

  6. Step 500

    500

    #EC4633

    oklch(63.2% 0.206 30.2)

  7. Step 600

    600 (this color)

    #D91300

    oklch(56.1% 0.224 30.2)

  8. Step 700

    700

    #B60E00

    oklch(49.2% 0.196 30.2)

  9. Step 800

    800

    #960900

    oklch(42.6% 0.17 30.1)

  10. Step 900

    900

    #79170D

    oklch(37.7% 0.134 30.2)

  11. Step 950

    950

    #47100A

    oklch(26.9% 0.085 29.8)

Export this scale for Tailwind in the Tailwind colors tool

#D91300 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)#5E52000.243
Deuteranopia (no green cones)#8C7B000.214
Tritanopia (no blue cones)#F000160.046
Achromatopsia (no color)#6D6D6D0.225

Harmonies

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

Complementary

The opposite hue (180°).

  • #D91300

    #D91300

    oklch(56.1% 0.224 30.2)

  • #008494

    #008494

    oklch(56.2% 0.097 209.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #D91300

    #D91300

    oklch(56.1% 0.224 30.2)

  • #D10A6F

    #D10A6F

    oklch(56% 0.223 0)

  • #AB5F00

    #AB5F00

    oklch(56.2% 0.131 60.4)

Open the analogous palette in the generator

Split complementary

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

  • #D91300

    #D91300

    oklch(56.1% 0.224 30.2)

  • #008877

    #008877

    oklch(56.2% 0.102 179.9)

  • #007CB8

    #007CB8

    oklch(56% 0.129 240.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #D91300

    #D91300

    oklch(56.1% 0.224 30.2)

  • #008C40

    #008C40

    oklch(56% 0.153 150.3)

  • #475FF5

    #475FF5

    oklch(56% 0.224 270.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #D91300

    #D91300

    oklch(56.1% 0.224 30.2)

  • #6B7F00

    #6B7F00

    oklch(56% 0.133 120.1)

  • #008494

    #008494

    oklch(56.2% 0.097 209.6)

  • #8C45E1

    #8C45E1

    oklch(56.1% 0.224 300)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #D91300, closest first.

No curated palette has a color within ΔE 0.04 of #D91300.

Similar named colors

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

Use #D91300 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.