#250B18

Closest named color: Very Dark Brown (#1D0200). oklch(19.7% 0.048 351.2), rgb(37, 11, 24).

Aa

White text reads best on this color (18.42:1).

About this color

#250B18 is a very dark, muted red. In OKLCH its lightness is 20%, its chroma 0.048 and its hue 351°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.060 away. White text reads best on it, at 18.42:1.

Hue familyReds
Lightnessvery dark (20%)
Chromamuted (0.048)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.13:1
White text18.42:1

Values

HEX#250B18
RGBrgb(37, 11, 24)
HSLhsl(330, 54%, 9%)
OKLCHoklch(19.7% 0.048 351.2)

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 #250B18 18.42:1 AAA Lc -107.0 Preferred for body text
Black text on #250B18 1.13:1 Fails Lc 0.0 Not readable
#250B18 text on white 18.42:1 AAA Lc 104.9 Preferred for body text
#250B18 text on black 1.13:1 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

    #FAF3F6

    oklch(97% 0.008 349.2)

  2. Step 100

    100

    #F3E6EB

    oklch(93.7% 0.016 352)

  3. Step 200

    200

    #EBD1DB

    oklch(88.5% 0.032 352.5)

  4. Step 300

    300

    #DFB2C5

    oklch(80.9% 0.058 351.3)

  5. Step 400

    400

    #CD89A7

    oklch(70.7% 0.091 351.6)

  6. Step 500

    500

    #BE6A92

    oklch(63.1% 0.117 351)

  7. Step 600

    600

    #A9517C

    oklch(55.7% 0.126 351.4)

  8. Step 700

    700

    #914169

    oklch(49.2% 0.118 351.1)

  9. Step 800

    800

    #763655

    oklch(42.8% 0.097 351.7)

  10. Step 900

    900

    #5F2F46

    oklch(37.6% 0.076 351.3)

  11. Step 950

    950 (this color)

    #250B18

    oklch(19.7% 0.048 351.2)

Export this scale for Tailwind in the Tailwind colors tool

#250B18 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)#0E11180.053
Deuteranopia (no green cones)#1516170.049
Tritanopia (no blue cones)#280A100.017
Achromatopsia (no color)#1414140.048

Harmonies

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

Complementary

The opposite hue (180°).

  • #250B18

    #250B18

    oklch(19.7% 0.048 351.2)

  • #001B13

    #001B13

    oklch(19.8% 0.039 170.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #250B18

    #250B18

    oklch(19.7% 0.048 351.2)

  • #1F0D22

    #1F0D22

    oklch(19.7% 0.048 321.7)

  • #270B0C

    #270B0C

    oklch(19.7% 0.047 20.3)

Open the analogous palette in the generator

Split complementary

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

  • #250B18

    #250B18

    oklch(19.7% 0.048 351.2)

  • #081B05

    #081B05

    oklch(19.9% 0.049 140.4)

  • #001A1C

    #001A1C

    oklch(19.8% 0.034 201.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #250B18

    #250B18

    oklch(19.7% 0.048 351.2)

  • #161700

    #161700

    oklch(19.7% 0.044 111.9)

  • #001824

    #001824

    oklch(19.6% 0.04 231.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #250B18

    #250B18

    oklch(19.7% 0.048 351.2)

  • #1F1300

    #1F1300

    oklch(19.8% 0.041 80.2)

  • #001B13

    #001B13

    oklch(19.8% 0.039 170.7)

  • #09152B

    #09152B

    oklch(19.9% 0.048 261.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #250B18, closest first.

Similar named colors

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

Use #250B18 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.