#77100B

Closest named color: Blood (#770001). oklch(36.7% 0.137 28.9), rgb(119, 16, 11).

Aa

White text reads best on this color (11.27:1).

About this color

#77100B is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.137 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Blood (#770001), ΔE 0.013 away. White text reads best on it, at 11.27:1.

Hue familyReds
Lightnessdark (37%)
Chromamoderately saturated (0.137)
Temperaturewarm
Nearest nameBlood (#770001)
Black text1.86:1
White text11.27:1

Values

HEX#77100B
RGBrgb(119, 16, 11)
HSLhsl(3, 83%, 25%)
OKLCHoklch(36.7% 0.137 28.9)

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 #77100B 11.27:1 AAA Lc -98.4 Preferred for body text
Black text on #77100B 1.86:1 Fails Lc 9.5 Not readable
#77100B text on white 11.27:1 AAA Lc 94.4 Preferred for body text
#77100B text on black 1.86:1 Fails Lc -8.2 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 900.

  1. Step 50

    50

    #FFF2F0

    oklch(97.1% 0.014 28)

  2. Step 100

    100

    #FDE3DF

    oklch(93.6% 0.029 28.1)

  3. Step 200

    200

    #FDCCC4

    oklch(88.6% 0.057 29)

  4. Step 300

    300

    #FCA79A

    oklch(80.9% 0.103 29)

  5. Step 400

    400

    #F67262

    oklch(70.6% 0.165 28.9)

  6. Step 500

    500

    #EE4235

    oklch(63.2% 0.211 28.8)

  7. Step 600

    600

    #D90004

    oklch(55.6% 0.228 28.9)

  8. Step 700

    700

    #B80003

    oklch(49.2% 0.201 28.9)

  9. Step 800

    800

    #980002

    oklch(42.7% 0.175 28.9)

  10. Step 900

    900 (this color)

    #77100B

    oklch(36.7% 0.137 28.9)

  11. Step 950

    950

    #480F0B

    oklch(27% 0.087 28.4)

Export this scale for Tailwind in the Tailwind colors tool

#77100B 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)#332C080.148
Deuteranopia (no green cones)#4C43040.135
Tritanopia (no blue cones)#8400110.029
Achromatopsia (no color)#3B3B3B0.138

Harmonies

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

Complementary

The opposite hue (180°).

  • #77100B

    #77100B

    oklch(36.7% 0.137 28.9)

  • #004851

    #004851

    oklch(36.8% 0.063 209)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #77100B

    #77100B

    oklch(36.7% 0.137 28.9)

  • #720E3D

    #720E3D

    oklch(36.6% 0.137 359.1)

  • #603100

    #603100

    oklch(36.7% 0.088 58.3)

Open the analogous palette in the generator

Split complementary

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

  • #77100B

    #77100B

    oklch(36.7% 0.137 28.9)

  • #004A40

    #004A40

    oklch(36.7% 0.067 179.9)

  • #004465

    #004465

    oklch(36.7% 0.082 238.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #77100B

    #77100B

    oklch(36.7% 0.137 28.9)

  • #004D1D

    #004D1D

    oklch(36.7% 0.104 149)

  • #233586

    #233586

    oklch(36.8% 0.137 269)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #77100B

    #77100B

    oklch(36.7% 0.137 28.9)

  • #3A4500

    #3A4500

    oklch(36.7% 0.087 119.5)

  • #004851

    #004851

    oklch(36.8% 0.063 209)

  • #4B277B

    #4B277B

    oklch(36.8% 0.136 299.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #77100B, closest first.

Similar named colors

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

Use #77100B 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.