#250A04

Closest named color: Very Dark Brown (#1D0200). oklch(18.9% 0.048 36.5), rgb(37, 10, 4).

Aa

White text reads best on this color (18.68:1).

About this color

#250A04 is a very dark, muted red. In OKLCH its lightness is 19%, its chroma 0.048 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.038 away. White text reads best on it, at 18.68:1.

Hue familyReds
Lightnessvery dark (19%)
Chromamuted (0.048)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.12:1
White text18.68:1

Values

HEX#250A04
RGBrgb(37, 10, 4)
HSLhsl(11, 80%, 8%)
OKLCHoklch(18.9% 0.048 36.5)

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 #250A04 18.68:1 AAA Lc -107.1 Preferred for body text
Black text on #250A04 1.12:1 Fails Lc 0.0 Not readable
#250A04 text on white 18.68:1 AAA Lc 105.0 Preferred for body text
#250A04 text on black 1.12:1 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

    #FAF4F2

    oklch(97.1% 0.007 39.5)

  2. Step 100

    100

    #F5E6E2

    oklch(93.6% 0.017 35.3)

  3. Step 200

    200

    #EDD2CB

    oklch(88.4% 0.032 34.9)

  4. Step 300

    300

    #E3B4A7

    oklch(80.9% 0.058 36)

  5. Step 400

    400

    #D38C78

    oklch(70.7% 0.092 36.4)

  6. Step 500

    500

    #C56E55

    oklch(63.1% 0.117 36.9)

  7. Step 600

    600

    #B1543A

    oklch(55.6% 0.128 36.5)

  8. Step 700

    700

    #98442D

    oklch(49.2% 0.119 36.2)

  9. Step 800

    800

    #7B3826

    oklch(42.6% 0.098 36)

  10. Step 900

    900

    #633123

    oklch(37.6% 0.076 36.5)

  11. Step 950

    950 (this color)

    #250A04

    oklch(18.9% 0.048 36.5)

Export this scale for Tailwind in the Tailwind colors tool

#250A04 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)#110F030.049
Deuteranopia (no green cones)#1815040.045
Tritanopia (no blue cones)#2A05080.021
Achromatopsia (no color)#1212120.049

Harmonies

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

Complementary

The opposite hue (180°).

  • #250A04

    #250A04

    oklch(18.9% 0.048 36.5)

  • #00171D

    #00171D

    oklch(18.9% 0.034 216.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #250A04

    #250A04

    oklch(18.9% 0.048 36.5)

  • #250910

    #250910

    oklch(19% 0.048 7.3)

  • #200F00

    #200F00

    oklch(18.9% 0.042 65.9)

Open the analogous palette in the generator

Split complementary

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

  • #250A04

    #250A04

    oklch(18.9% 0.048 36.5)

  • #001816

    #001816

    oklch(18.8% 0.033 187.6)

  • #001528

    #001528

    oklch(19% 0.049 246.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #250A04

    #250A04

    oklch(18.9% 0.048 36.5)

  • #00190B

    #00190B

    oklch(18.8% 0.045 157.2)

  • #0E1129

    #0E1129

    oklch(19% 0.048 275.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #250A04

    #250A04

    oklch(18.9% 0.048 36.5)

  • #0E1700

    #0E1700

    oklch(18.9% 0.048 126.2)

  • #00171D

    #00171D

    oklch(18.9% 0.034 216.2)

  • #190D24

    #190D24

    oklch(18.9% 0.047 306.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #250A04, closest first.

Similar named colors

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

Use #250A04 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.