#99011B

Closest named color: Carmine (#9D0216). oklch(43.1% 0.174 23.5), rgb(153, 1, 27).

Aa

White text reads best on this color (8.84:1).

About this color

#99011B is a dark, vivid red. In OKLCH its lightness is 43%, its chroma 0.174 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Carmine (#9D0216), ΔE 0.010 away. White text reads best on it, at 8.84:1.

Hue familyReds
Lightnessdark (43%)
Chromavivid (0.174)
Temperaturewarm
Nearest nameCarmine (#9D0216)
Black text2.37:1
White text8.84:1

Values

HEX#99011B
RGBrgb(153, 1, 27)
HSLhsl(350, 99%, 30%)
OKLCHoklch(43.1% 0.174 23.5)

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 #99011B 8.84:1 AAA Lc -92.4 Preferred for body text
Black text on #99011B 2.37:1 Fails Lc 16.2 Dividers and decoration only
#99011B text on white 8.84:1 AAA Lc 87.8 Fine for body text
#99011B text on black 2.37:1 Fails Lc -14.4 Not readable

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 800.

  1. Step 50

    50

    #FFF2F1

    oklch(97.1% 0.014 22.8)

  2. Step 100

    100

    #FDE3E1

    oklch(93.6% 0.029 23)

  3. Step 200

    200

    #FDCBC7

    oklch(88.5% 0.057 23.6)

  4. Step 300

    300

    #FCA7A1

    oklch(81% 0.102 24)

  5. Step 400

    400

    #F5726F

    oklch(70.7% 0.162 23.4)

  6. Step 500

    500

    #ED4148

    oklch(63.1% 0.208 23.5)

  7. Step 600

    600

    #D8002A

    oklch(55.6% 0.225 23.5)

  8. Step 700

    700

    #B70022

    oklch(49.2% 0.199 23.5)

  9. Step 800

    800 (this color)

    #99011B

    oklch(43.1% 0.174 23.5)

  10. Step 900

    900

    #7A141B

    oklch(37.8% 0.136 23.7)

  11. Step 950

    950

    #480F11

    oklch(27.1% 0.086 23.2)

Export this scale for Tailwind in the Tailwind colors tool

#99011B 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)#3D371A0.193
Deuteranopia (no green cones)#5F55140.175
Tritanopia (no blue cones)#A900100.036
Achromatopsia (no color)#4A4A4A0.175

Harmonies

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

Complementary

The opposite hue (180°).

  • #99011B

    #99011B

    oklch(43.1% 0.174 23.5)

  • #005C62

    #005C62

    oklch(43.2% 0.074 202.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #99011B

    #99011B

    oklch(43.1% 0.174 23.5)

  • #900757

    #900757

    oklch(43.1% 0.173 353.6)

  • #7C3C00

    #7C3C00

    oklch(43.1% 0.108 53.9)

Open the analogous palette in the generator

Split complementary

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

  • #99011B

    #99011B

    oklch(43.1% 0.174 23.5)

  • #005E4C

    #005E4C

    oklch(43% 0.082 173.7)

  • #005779

    #005779

    oklch(43% 0.09 233.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #99011B

    #99011B

    oklch(43.1% 0.174 23.5)

  • #00620B

    #00620B

    oklch(43% 0.142 143.5)

  • #1945AD

    #1945AD

    oklch(43.1% 0.173 263.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #99011B

    #99011B

    oklch(43.1% 0.174 23.5)

  • #505500

    #505500

    oklch(43% 0.096 113.6)

  • #005C62

    #005C62

    oklch(43.2% 0.074 202.5)

  • #5931A4

    #5931A4

    oklch(43.2% 0.174 293.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #99011B, closest first.

Similar named colors

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

Use #99011B 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.