#850010

Closest named color: Maroon (#800000). oklch(38.8% 0.158 25.4), rgb(133, 0, 16).

Aa

White text reads best on this color (10.47:1).

About this color

#850010 is a dark, vivid red. In OKLCH its lightness is 39%, its chroma 0.158 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Maroon (#800000), ΔE 0.016 away. White text reads best on it, at 10.47:1.

Hue familyReds
Lightnessdark (39%)
Chromavivid (0.158)
Temperaturewarm
Nearest nameMaroon (#800000)
Black text2.00:1
White text10.47:1

Values

HEX#850010
RGBrgb(133, 0, 16)
HSLhsl(353, 100%, 26%)
OKLCHoklch(38.8% 0.158 25.4)

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 #850010 10.47:1 AAA Lc -96.2 Preferred for body text
Black text on #850010 2.00:1 Fails Lc 12.0 Not readable
#850010 text on white 10.47:1 AAA Lc 91.9 Preferred for body text
#850010 text on black 2.00:1 Fails Lc -10.5 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

    #FFCAC5

    oklch(88.4% 0.061 24.6)

  4. Step 300

    300

    #FFA59D

    oklch(80.9% 0.108 25.3)

  5. Step 400

    400

    #FF6962

    oklch(70.7% 0.185 25.6)

  6. Step 500

    500

    #FA2332

    oklch(63.1% 0.241 25.3)

  7. Step 600

    600

    #D80021

    oklch(55.6% 0.225 25.4)

  8. Step 700

    700

    #B7001A

    oklch(49.1% 0.199 25.4)

  9. Step 800

    800

    #970014

    oklch(42.6% 0.173 25.3)

  10. Step 900

    900 (this color)

    #850010

    oklch(38.8% 0.158 25.4)

  11. Step 950

    950

    #4C070A

    oklch(27% 0.099 25.2)

Export this scale for Tailwind in the Tailwind colors tool

#850010 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)#342E0E0.175
Deuteranopia (no green cones)#5249070.158
Tritanopia (no blue cones)#9300090.032
Achromatopsia (no color)#3F3F3F0.159

Harmonies

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

Complementary

The opposite hue (180°).

  • #850010

    #850010

    oklch(38.8% 0.158 25.4)

  • #004E56

    #004E56

    oklch(38.7% 0.066 206.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #850010

    #850010

    oklch(38.8% 0.158 25.4)

  • #7E0248

    #7E0248

    oklch(38.8% 0.158 355.4)

  • #6A3400

    #6A3400

    oklch(38.9% 0.096 55.6)

Open the analogous palette in the generator

Split complementary

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

  • #850010

    #850010

    oklch(38.8% 0.158 25.4)

  • #005143

    #005143

    oklch(38.9% 0.073 175.9)

  • #004B6A

    #004B6A

    oklch(38.9% 0.082 234.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #850010

    #850010

    oklch(38.8% 0.158 25.4)

  • #005414

    #005414

    oklch(38.8% 0.12 145.5)

  • #1B3A97

    #1B3A97

    oklch(38.9% 0.157 265.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #850010

    #850010

    oklch(38.8% 0.158 25.4)

  • #434A00

    #434A00

    oklch(38.9% 0.089 115.8)

  • #004E56

    #004E56

    oklch(38.7% 0.066 206.6)

  • #4E288D

    #4E288D

    oklch(38.8% 0.157 295.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #850010, closest first.

Similar named colors

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

Use #850010 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.