#250004

Closest named color: Very Dark Brown (#1D0200). oklch(16.8% 0.067 18.8), rgb(37, 0, 4).

Aa

White text reads best on this color (19.43:1).

About this color

#250004 is a very dark, muted red. In OKLCH its lightness is 17%, its chroma 0.067 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.027 away. White text reads best on it, at 19.43:1.

Hue familyReds
Lightnessvery dark (17%)
Chromamuted (0.067)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.08:1
White text19.43:1

Values

HEX#250004
RGBrgb(37, 0, 4)
HSLhsl(354, 100%, 7%)
OKLCHoklch(16.8% 0.067 18.8)

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 #250004 19.43:1 AAA Lc -107.2 Preferred for body text
Black text on #250004 1.08:1 Fails Lc 0.0 Not readable
#250004 text on white 19.43:1 AAA Lc 105.1 Preferred for body text
#250004 text on black 1.08:1 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

    #FDF3F3

    oklch(97.2% 0.011 17.3)

  2. Step 100

    100

    #F9E4E4

    oklch(93.6% 0.023 17.6)

  3. Step 200

    200

    #F5CECE

    oklch(88.5% 0.044 18)

  4. Step 300

    300

    #F0ACAC

    oklch(80.9% 0.08 19)

  5. Step 400

    400

    #E57E81

    oklch(70.8% 0.127 19)

  6. Step 500

    500

    #DA5862

    oklch(63.1% 0.163 18.5)

  7. Step 600

    600

    #C53849

    oklch(55.5% 0.177 18.5)

  8. Step 700

    700

    #AA293A

    oklch(49.1% 0.164 18.8)

  9. Step 800

    800

    #8A2430

    oklch(42.7% 0.136 18.8)

  10. Step 900

    900

    #6F242B

    oklch(37.7% 0.106 18.4)

  11. Step 950

    950 (this color)

    #250004

    oklch(16.8% 0.067 18.8)

Export this scale for Tailwind in the Tailwind colors tool

#250004 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)#0807040.076
Deuteranopia (no green cones)#1310030.068
Tritanopia (no blue cones)#2A00020.015
Achromatopsia (no color)#0D0D0D0.068

Harmonies

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

Complementary

The opposite hue (180°).

  • #250004

    #250004

    oklch(16.8% 0.067 18.8)

  • #001213

    #001213

    oklch(16.5% 0.028 199.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #250004

    #250004

    oklch(16.8% 0.067 18.8)

  • #220113

    #220113

    oklch(16.9% 0.066 350.1)

  • #1E0800

    #1E0800

    oklch(16.9% 0.045 49.7)

Open the analogous palette in the generator

Split complementary

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

  • #250004

    #250004

    oklch(16.8% 0.067 18.8)

  • #00130C

    #00130C

    oklch(16.6% 0.033 169)

  • #00111A

    #00111A

    oklch(16.6% 0.033 229.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #250004

    #250004

    oklch(16.8% 0.067 18.8)

  • #031400

    #031400

    oklch(16.9% 0.053 138.6)

  • #000D2A

    #000D2A

    oklch(16.8% 0.064 258.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #250004

    #250004

    oklch(16.8% 0.067 18.8)

  • #101000

    #101000

    oklch(16.8% 0.037 109.8)

  • #001213

    #001213

    oklch(16.5% 0.028 199.1)

  • #0F0729

    #0F0729

    oklch(16.7% 0.066 288.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #250004, closest first.

Similar named colors

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

Use #250004 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.