#240803

Closest named color: Very Dark Brown (#1D0200). oklch(18.3% 0.05 35.6), rgb(36, 8, 3).

Aa

White text reads best on this color (18.90:1).

About this color

#240803 is a very dark, muted red. In OKLCH its lightness is 18%, its chroma 0.050 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.032 away. White text reads best on it, at 18.90:1.

Hue familyReds
Lightnessvery dark (18%)
Chromamuted (0.050)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.11:1
White text18.90:1

Values

HEX#240803
RGBrgb(36, 8, 3)
HSLhsl(9, 85%, 8%)
OKLCHoklch(18.3% 0.05 35.6)

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 #240803 18.90:1 AAA Lc -107.2 Preferred for body text
Black text on #240803 1.11:1 Fails Lc 0.0 Not readable
#240803 text on white 18.90:1 AAA Lc 105.1 Preferred for body text
#240803 text on black 1.11:1 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

    #FBF4F2

    oklch(97.2% 0.008 36.6)

  2. Step 100

    100

    #F5E6E2

    oklch(93.6% 0.017 35.3)

  3. Step 200

    200

    #EED2CA

    oklch(88.5% 0.033 36.5)

  4. Step 300

    300

    #E4B4A7

    oklch(81% 0.059 35.6)

  5. Step 400

    400

    #D58B77

    oklch(70.7% 0.096 35.8)

  6. Step 500

    500

    #C76C54

    oklch(63% 0.121 35.7)

  7. Step 600

    600

    #B35239

    oklch(55.6% 0.132 35.5)

  8. Step 700

    700

    #99422B

    oklch(49% 0.122 35.8)

  9. Step 800

    800

    #7D3725

    oklch(42.8% 0.102 35.5)

  10. Step 900

    900

    #653023

    oklch(37.7% 0.08 34.9)

  11. Step 950

    950 (this color)

    #240803

    oklch(18.3% 0.05 35.6)

Export this scale for Tailwind in the Tailwind colors tool

#240803 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)#100D030.050
Deuteranopia (no green cones)#1713030.045
Tritanopia (no blue cones)#2903070.022
Achromatopsia (no color)#1111110.050

Harmonies

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

Complementary

The opposite hue (180°).

  • #240803

    #240803

    oklch(18.3% 0.05 35.6)

  • #00161B

    #00161B

    oklch(18.4% 0.032 213.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #240803

    #240803

    oklch(18.3% 0.05 35.6)

  • #23070F

    #23070F

    oklch(18.2% 0.049 5.2)

  • #1E0E00

    #1E0E00

    oklch(18.3% 0.041 66.7)

Open the analogous palette in the generator

Split complementary

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

  • #240803

    #240803

    oklch(18.3% 0.05 35.6)

  • #001714

    #001714

    oklch(18.4% 0.033 183.9)

  • #001325

    #001325

    oklch(18.1% 0.047 246.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #240803

    #240803

    oklch(18.3% 0.05 35.6)

  • #001809

    #001809

    oklch(18.4% 0.045 155)

  • #0C0F28

    #0C0F28

    oklch(18.2% 0.051 275)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #240803

    #240803

    oklch(18.3% 0.05 35.6)

  • #0D1500

    #0D1500

    oklch(18.1% 0.046 125.4)

  • #00161B

    #00161B

    oklch(18.4% 0.032 213.4)

  • #180B24

    #180B24

    oklch(18.3% 0.051 306)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #240803, closest first.

Similar named colors

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

Use #240803 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.