#91111F

Closest named color: Blood Red (#980002). oklch(42.2% 0.16 23.2), rgb(145, 17, 31).

Aa

White text reads best on this color (9.11:1).

About this color

#91111F is a dark, vivid red. In OKLCH its lightness is 42%, its chroma 0.160 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Blood Red (#980002), ΔE 0.023 away. White text reads best on it, at 9.11:1.

Hue familyReds
Lightnessdark (42%)
Chromavivid (0.160)
Temperaturewarm
Nearest nameBlood Red (#980002)
Black text2.30:1
White text9.11:1

Values

HEX#91111F
RGBrgb(145, 17, 31)
HSLhsl(353, 79%, 32%)
OKLCHoklch(42.2% 0.16 23.2)

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 #91111F 9.11:1 AAA Lc -93.7 Preferred for body text
Black text on #91111F 2.30:1 Fails Lc 14.8 Not readable
#91111F text on white 9.11:1 AAA Lc 89.2 Fine for body text
#91111F text on black 2.30:1 Fails Lc -13.1 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

    #FEF2F1

    oklch(97% 0.013 23.2)

  2. Step 100

    100

    #FCE3E1

    oklch(93.6% 0.028 23.2)

  3. Step 200

    200

    #FACDC9

    oklch(88.6% 0.051 24.1)

  4. Step 300

    300

    #F7A9A4

    oklch(80.9% 0.093 23.4)

  5. Step 400

    400

    #EF7773

    oklch(70.7% 0.149 23.5)

  6. Step 500

    500

    #E64C4F

    oklch(63.2% 0.19 23.4)

  7. Step 600

    600

    #D12133

    oklch(55.5% 0.207 23.1)

  8. Step 700

    700

    #B50D25

    oklch(49.2% 0.193 23.4)

  9. Step 800

    800 (this color)

    #91111F

    oklch(42.2% 0.16 23.2)

  10. Step 900

    900

    #761B1F

    oklch(37.7% 0.125 23.4)

  11. Step 950

    950

    #451213

    oklch(26.9% 0.078 23)

Export this scale for Tailwind in the Tailwind colors tool

#91111F 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)#3D371E0.175
Deuteranopia (no green cones)#5B521A0.161
Tritanopia (no blue cones)#A000180.031
Achromatopsia (no color)#4848480.161

Harmonies

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

Complementary

The opposite hue (180°).

  • #91111F

    #91111F

    oklch(42.2% 0.16 23.2)

  • #00595F

    #00595F

    oklch(42.3% 0.072 202.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #91111F

    #91111F

    oklch(42.2% 0.16 23.2)

  • #891455

    #891455

    oklch(42.3% 0.16 353.1)

  • #793A00

    #793A00

    oklch(42.3% 0.107 53.6)

Open the analogous palette in the generator

Split complementary

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

  • #91111F

    #91111F

    oklch(42.2% 0.16 23.2)

  • #005C4A

    #005C4A

    oklch(42.3% 0.081 173.4)

  • #005575

    #005575

    oklch(42.3% 0.087 232.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #91111F

    #91111F

    oklch(42.2% 0.16 23.2)

  • #005F08

    #005F08

    oklch(42.1% 0.14 143.3)

  • #1B45A3

    #1B45A3

    oklch(42.3% 0.159 263.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #91111F

    #91111F

    oklch(42.2% 0.16 23.2)

  • #4E5300

    #4E5300

    oklch(42.3% 0.095 113.7)

  • #00595F

    #00595F

    oklch(42.3% 0.072 202.8)

  • #55339B

    #55339B

    oklch(42.3% 0.16 293.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #91111F, closest first.

Similar named colors

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

Use #91111F 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.