#840D11

Closest named color: Dark Red (#8B0000). oklch(39.2% 0.151 26.8), rgb(132, 13, 17).

Aa

White text reads best on this color (10.26:1).

About this color

#840D11 is a dark, vivid red. In OKLCH its lightness is 39%, its chroma 0.151 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Red (#8B0000), ΔE 0.017 away. White text reads best on it, at 10.26:1.

Hue familyReds
Lightnessdark (39%)
Chromavivid (0.151)
Temperaturewarm
Nearest nameDark Red (#8B0000)
Black text2.04:1
White text10.26:1

Values

HEX#840D11
RGBrgb(132, 13, 17)
HSLhsl(358, 82%, 28%)
OKLCHoklch(39.2% 0.151 26.8)

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 #840D11 10.26:1 AAA Lc -96.2 Preferred for body text
Black text on #840D11 2.04:1 Fails Lc 12.0 Not readable
#840D11 text on white 10.26:1 AAA Lc 92.0 Preferred for body text
#840D11 text on black 2.04:1 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

    #FFF2F0

    oklch(97.1% 0.014 28)

  2. Step 100

    100

    #FFE2DE

    oklch(93.5% 0.033 27.1)

  3. Step 200

    200

    #FFCBC4

    oklch(88.6% 0.06 27.2)

  4. Step 300

    300

    #FFA59B

    oklch(80.9% 0.108 26.6)

  5. Step 400

    400

    #FD6B60

    oklch(70.7% 0.181 27)

  6. Step 500

    500

    #F63031

    oklch(63.1% 0.231 26.8)

  7. Step 600

    600

    #D90019

    oklch(55.7% 0.227 26.8)

  8. Step 700

    700

    #B70013

    oklch(49% 0.2 26.8)

  9. Step 800

    800

    #98000E

    oklch(42.8% 0.174 26.8)

  10. Step 900

    900 (this color)

    #840D11

    oklch(39.2% 0.151 26.8)

  11. Step 950

    950

    #4B0A09

    oklch(27% 0.096 27.1)

Export this scale for Tailwind in the Tailwind colors tool

#840D11 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)#37310F0.165
Deuteranopia (no green cones)#534A090.150
Tritanopia (no blue cones)#9200110.029
Achromatopsia (no color)#4141410.152

Harmonies

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

Complementary

The opposite hue (180°).

  • #840D11

    #840D11

    oklch(39.2% 0.151 26.8)

  • #004F58

    #004F58

    oklch(39.1% 0.067 207.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #840D11

    #840D11

    oklch(39.2% 0.151 26.8)

  • #7E0D47

    #7E0D47

    oklch(39.3% 0.151 356.9)

  • #6B3600

    #6B3600

    oklch(39.4% 0.095 57)

Open the analogous palette in the generator

Split complementary

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

  • #840D11

    #840D11

    oklch(39.2% 0.151 26.8)

  • #005245

    #005245

    oklch(39.2% 0.073 177.3)

  • #004B6D

    #004B6D

    oklch(39.1% 0.085 237)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #840D11

    #840D11

    oklch(39.2% 0.151 26.8)

  • #00551A

    #00551A

    oklch(39.2% 0.117 146.9)

  • #213B95

    #213B95

    oklch(39.2% 0.151 266.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #840D11

    #840D11

    oklch(39.2% 0.151 26.8)

  • #434B00

    #434B00

    oklch(39.2% 0.09 116.5)

  • #004F58

    #004F58

    oklch(39.1% 0.067 207.9)

  • #502B8B

    #502B8B

    oklch(39.2% 0.151 296.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #840D11, closest first.

Similar named colors

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

Use #840D11 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.