#400A11

Closest named color: Deep Brown (#410200). oklch(24.8% 0.082 18.7), rgb(64, 10, 17).

Aa

White text reads best on this color (16.54:1).

About this color

#400A11 is a very dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.082 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.024 away. White text reads best on it, at 16.54:1.

Hue familyReds
Lightnessvery dark (25%)
Chromamoderately saturated (0.082)
Temperaturewarm
Nearest nameDeep Brown (#410200)
Black text1.26:1
White text16.54:1

Values

HEX#400A11
RGBrgb(64, 10, 17)
HSLhsl(352, 73%, 15%)
OKLCHoklch(24.8% 0.082 18.7)

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 #400A11 16.54:1 AAA Lc -105.4 Preferred for body text
Black text on #400A11 1.26:1 Fails Lc 0.0 Not readable
#400A11 text on white 16.54:1 AAA Lc 102.8 Preferred for body text
#400A11 text on black 1.26:1 Fails Lc 0.0 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 950.

  1. Step 50

    50

    #FEF2F2

    oklch(97.1% 0.013 17.4)

  2. Step 100

    100

    #FCE3E3

    oklch(93.6% 0.028 17.7)

  3. Step 200

    200

    #FBCCCB

    oklch(88.6% 0.053 19.6)

  4. Step 300

    300

    #F9A7A8

    oklch(80.8% 0.097 18.6)

  5. Step 400

    400

    #F2747A

    oklch(70.8% 0.155 18.9)

  6. Step 500

    500

    #E94658

    oklch(63.2% 0.199 18.9)

  7. Step 600

    600

    #D4133E

    oklch(55.6% 0.216 18.7)

  8. Step 700

    700

    #B60031

    oklch(49.2% 0.197 18.8)

  9. Step 800

    800

    #950929

    oklch(42.8% 0.166 18.5)

  10. Step 900

    900

    #771725

    oklch(37.6% 0.129 18.6)

  11. Step 950

    950 (this color)

    #400A11

    oklch(24.8% 0.082 18.7)

Export this scale for Tailwind in the Tailwind colors tool

#400A11 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)#1917110.090
Deuteranopia (no green cones)#27230F0.083
Tritanopia (no blue cones)#47000D0.020
Achromatopsia (no color)#1F1F1F0.082

Harmonies

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

Complementary

The opposite hue (180°).

  • #400A11

    #400A11

    oklch(24.8% 0.082 18.7)

  • #002729

    #002729

    oklch(24.8% 0.042 200)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #400A11

    #400A11

    oklch(24.8% 0.082 18.7)

  • #3B0B27

    #3B0B27

    oklch(24.7% 0.082 348.9)

  • #3A1500

    #3A1500

    oklch(24.9% 0.067 48.5)

Open the analogous palette in the generator

Split complementary

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

  • #400A11

    #400A11

    oklch(24.8% 0.082 18.7)

  • #00291D

    #00291D

    oklch(25% 0.05 168.4)

  • #002534

    #002534

    oklch(24.8% 0.049 230.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #400A11

    #400A11

    oklch(24.8% 0.082 18.7)

  • #092900

    #092900

    oklch(24.7% 0.078 138.8)

  • #051F47

    #051F47

    oklch(24.7% 0.082 258.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #400A11

    #400A11

    oklch(24.8% 0.082 18.7)

  • #242300

    #242300

    oklch(24.9% 0.054 108.1)

  • #002729

    #002729

    oklch(24.8% 0.042 200)

  • #211845

    #211845

    oklch(24.9% 0.081 288.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #400A11, closest first.

Similar named colors

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

Use #400A11 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.