#99090B

Closest named color: Deep Red (#9A0200). oklch(43.3% 0.172 28.2), rgb(153, 9, 11).

Aa

White text reads best on this color (8.75:1).

About this color

#99090B is a dark, vivid red. In OKLCH its lightness is 43%, its chroma 0.172 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Red (#9A0200), ΔE 0.006 away. White text reads best on it, at 8.75:1.

Hue familyReds
Lightnessdark (43%)
Chromavivid (0.172)
Temperaturewarm
Nearest nameDeep Red (#9A0200)
Black text2.39:1
White text8.75:1

Values

HEX#99090B
RGBrgb(153, 9, 11)
HSLhsl(359, 89%, 32%)
OKLCHoklch(43.3% 0.172 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 #99090B 8.75:1 AAA Lc -92.5 Preferred for body text
Black text on #99090B 2.39:1 Fails Lc 16.2 Dividers and decoration only
#99090B text on white 8.75:1 AAA Lc 87.8 Fine for body text
#99090B text on black 2.39:1 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

    #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

    #FBA89C

    oklch(81% 0.1 28.5)

  5. Step 400

    400

    #F47465

    oklch(70.7% 0.16 28.6)

  6. Step 500

    500

    #EC453A

    oklch(63.2% 0.205 28.3)

  7. Step 600

    600

    #D70C12

    oklch(55.5% 0.223 28.2)

  8. Step 700

    700

    #B80009

    oklch(49.2% 0.201 28.2)

  9. Step 800

    800 (this color)

    #99090B

    oklch(43.3% 0.172 28.2)

  10. Step 900

    900

    #791612

    oklch(37.6% 0.134 28.1)

  11. Step 950

    950

    #47100C

    oklch(26.9% 0.084 28.3)

Export this scale for Tailwind in the Tailwind colors tool

#99090B 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)#4038070.188
Deuteranopia (no green cones)#6155000.168
Tritanopia (no blue cones)#A9000E0.034
Achromatopsia (no color)#4B4B4B0.173

Harmonies

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

Complementary

The opposite hue (180°).

  • #99090B

    #99090B

    oklch(43.3% 0.172 28.2)

  • #005C66

    #005C66

    oklch(43.4% 0.075 207.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #99090B

    #99090B

    oklch(43.3% 0.172 28.2)

  • #930750

    #930750

    oklch(43.4% 0.172 358.2)

  • #793F00

    #793F00

    oklch(43.2% 0.103 58)

Open the analogous palette in the generator

Split complementary

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

  • #99090B

    #99090B

    oklch(43.3% 0.172 28.2)

  • #005E51

    #005E51

    oklch(43.1% 0.079 179)

  • #00577F

    #00577F

    oklch(43.4% 0.096 238)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #99090B

    #99090B

    oklch(43.3% 0.172 28.2)

  • #006224

    #006224

    oklch(43.3% 0.125 148.1)

  • #2A43AD

    #2A43AD

    oklch(43.3% 0.171 268.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #99090B

    #99090B

    oklch(43.3% 0.172 28.2)

  • #4C5700

    #4C5700

    oklch(43.2% 0.1 117.9)

  • #005C66

    #005C66

    oklch(43.4% 0.075 207.6)

  • #5F2FA0

    #5F2FA0

    oklch(43.2% 0.172 298.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #99090B, closest first.

Similar named colors

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

Use #99090B 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.