#83121A

Closest named color: Dark Red (#8B0000). oklch(39.4% 0.146 24.4), rgb(131, 18, 26).

Aa

White text reads best on this color (10.16:1).

About this color

#83121A is a dark, vivid red. In OKLCH its lightness is 39%, its chroma 0.146 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Red (#8B0000), ΔE 0.023 away. White text reads best on it, at 10.16:1.

Hue familyReds
Lightnessdark (39%)
Chromavivid (0.146)
Temperaturewarm
Nearest nameDark Red (#8B0000)
Black text2.06:1
White text10.16:1

Values

HEX#83121A
RGBrgb(131, 18, 26)
HSLhsl(356, 76%, 29%)
OKLCHoklch(39.4% 0.146 24.4)

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 #83121A 10.16:1 AAA Lc -96.2 Preferred for body text
Black text on #83121A 2.06:1 Fails Lc 12.0 Not readable
#83121A text on white 10.16:1 AAA Lc 92.0 Preferred for body text
#83121A text on black 2.06:1 Fails Lc -10.4 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 900.

  1. Step 50

    50

    #FFF2F1

    oklch(97.1% 0.014 22.8)

  2. Step 100

    100

    #FFE2DF

    oklch(93.6% 0.032 24.8)

  3. Step 200

    200

    #FFCAC6

    oklch(88.4% 0.061 23.4)

  4. Step 300

    300

    #FFA59E

    oklch(80.9% 0.108 24.6)

  5. Step 400

    400

    #FB6D68

    oklch(70.8% 0.175 24.6)

  6. Step 500

    500

    #F3353E

    oklch(63% 0.224 24.5)

  7. Step 600

    600

    #D80026

    oklch(55.6% 0.225 24.4)

  8. Step 700

    700

    #B7001F

    oklch(49.1% 0.199 24.3)

  9. Step 800

    800

    #970017

    oklch(42.6% 0.173 24.5)

  10. Step 900

    900 (this color)

    #83121A

    oklch(39.4% 0.146 24.4)

  11. Step 950

    950

    #4A0B0E

    oklch(27% 0.093 23.9)

Export this scale for Tailwind in the Tailwind colors tool

#83121A 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)#3732190.161
Deuteranopia (no green cones)#534A150.146
Tritanopia (no blue cones)#9100170.029
Achromatopsia (no color)#4141410.147

Harmonies

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

Complementary

The opposite hue (180°).

  • #83121A

    #83121A

    oklch(39.4% 0.146 24.4)

  • #005057

    #005057

    oklch(39.4% 0.067 205)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #83121A

    #83121A

    oklch(39.4% 0.146 24.4)

  • #7C134B

    #7C134B

    oklch(39.4% 0.146 354.2)

  • #6D3400

    #6D3400

    oklch(39.3% 0.099 54)

Open the analogous palette in the generator

Split complementary

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

  • #83121A

    #83121A

    oklch(39.4% 0.146 24.4)

  • #005343

    #005343

    oklch(39.5% 0.075 173.9)

  • #004C6C

    #004C6C

    oklch(39.3% 0.084 235.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #83121A

    #83121A

    oklch(39.4% 0.146 24.4)

  • #00560F

    #00560F

    oklch(39.4% 0.126 144.4)

  • #1C3E93

    #1C3E93

    oklch(39.4% 0.146 264.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #83121A

    #83121A

    oklch(39.4% 0.146 24.4)

  • #464B00

    #464B00

    oklch(39.5% 0.089 114.1)

  • #005057

    #005057

    oklch(39.4% 0.067 205)

  • #4E2E8B

    #4E2E8B

    oklch(39.5% 0.147 294.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #83121A, closest first.

Similar named colors

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

Use #83121A 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.