#810019

Closest named color: Wine Red (#7B0323). oklch(38.1% 0.153 21.9), rgb(129, 0, 25).

Aa

White text reads best on this color (10.78:1).

About this color

#810019 is a dark, vivid red. In OKLCH its lightness is 38%, its chroma 0.153 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Wine Red (#7B0323), ΔE 0.018 away. White text reads best on it, at 10.78:1.

Hue familyReds
Lightnessdark (38%)
Chromavivid (0.153)
Temperaturewarm
Nearest nameWine Red (#7B0323)
Black text1.94:1
White text10.78:1

Values

HEX#810019
RGBrgb(129, 0, 25)
HSLhsl(348, 100%, 25%)
OKLCHoklch(38.1% 0.153 21.9)

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 #810019 10.78:1 AAA Lc -96.8 Preferred for body text
Black text on #810019 1.94:1 Fails Lc 11.3 Not readable
#810019 text on white 10.78:1 AAA Lc 92.7 Preferred for body text
#810019 text on black 1.94:1 Fails Lc -9.8 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

    #FFE2E0

    oklch(93.6% 0.032 22.5)

  3. Step 200

    200

    #FFCAC7

    oklch(88.5% 0.061 22.1)

  4. Step 300

    300

    #FFA4A1

    oklch(80.8% 0.109 21.8)

  5. Step 400

    400

    #FF686B

    oklch(70.8% 0.185 21.9)

  6. Step 500

    500

    #F72843

    oklch(63% 0.235 21.8)

  7. Step 600

    600

    #D70031

    oklch(55.5% 0.224 21.8)

  8. Step 700

    700

    #B60028

    oklch(49% 0.197 21.7)

  9. Step 800

    800

    #97001F

    oklch(42.7% 0.172 21.9)

  10. Step 900

    900 (this color)

    #810019

    oklch(38.1% 0.153 21.9)

  11. Step 950

    950

    #4B080F

    oklch(26.9% 0.097 21.9)

Export this scale for Tailwind in the Tailwind colors tool

#810019 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)#322D180.170
Deuteranopia (no green cones)#4F46140.154
Tritanopia (no blue cones)#8F000D0.034
Achromatopsia (no color)#3D3D3D0.155

Harmonies

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

Complementary

The opposite hue (180°).

  • #810019

    #810019

    oklch(38.1% 0.153 21.9)

  • #004D51

    #004D51

    oklch(38.2% 0.065 200.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #810019

    #810019

    oklch(38.1% 0.153 21.9)

  • #79064B

    #79064B

    oklch(38.1% 0.153 352)

  • #6A3000

    #6A3000

    oklch(38.1% 0.098 51.7)

Open the analogous palette in the generator

Split complementary

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

  • #810019

    #810019

    oklch(38.1% 0.153 21.9)

  • #004F3E

    #004F3E

    oklch(38.1% 0.074 172)

  • #004965

    #004965

    oklch(38.1% 0.078 232.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #810019

    #810019

    oklch(38.1% 0.153 21.9)

  • #065200

    #065200

    oklch(38.1% 0.128 141.9)

  • #0C3A92

    #0C3A92

    oklch(38% 0.153 261.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #810019

    #810019

    oklch(38.1% 0.153 21.9)

  • #444600

    #444600

    oklch(38% 0.084 111.6)

  • #004D51

    #004D51

    oklch(38.2% 0.065 200.8)

  • #48298B

    #48298B

    oklch(38.1% 0.153 292)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #810019, closest first.

Similar named colors

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

Use #810019 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.