#251316

Closest named color: Rich Black (#0D1B2A). oklch(21.3% 0.03 9.1), rgb(37, 19, 22).

Aa

White text reads best on this color (17.74:1).

About this color

#251316 is a very dark, muted red. In OKLCH its lightness is 21%, its chroma 0.030 and its hue 9°. Its hue sits on the warm side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.057 away. White text reads best on it, at 17.74:1.

Hue familyReds
Lightnessvery dark (21%)
Chromamuted (0.030)
Temperaturewarm
Nearest nameRich Black (#0D1B2A)
Black text1.18:1
White text17.74:1

Values

HEX#251316
RGBrgb(37, 19, 22)
HSLhsl(350, 32%, 11%)
OKLCHoklch(21.3% 0.03 9.1)

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 #251316 17.74:1 AAA Lc -106.7 Preferred for body text
Black text on #251316 1.18:1 Fails Lc 0.0 Not readable
#251316 text on white 17.74:1 AAA Lc 104.5 Preferred for body text
#251316 text on black 1.18:1 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

    #F9F4F5

    oklch(97.1% 0.006 3.3)

  2. Step 100

    100

    #F1E7E8

    oklch(93.6% 0.011 10.3)

  3. Step 200

    200

    #E6D4D6

    oklch(88.5% 0.02 9.8)

  4. Step 300

    300

    #D6B8BC

    oklch(81% 0.035 8.8)

  5. Step 400

    400

    #C19299

    oklch(70.6% 0.057 8.7)

  6. Step 500

    500

    #B07780

    oklch(63% 0.072 9)

  7. Step 600

    600

    #9B5F69

    oklch(55.5% 0.079 9.1)

  8. Step 700

    700

    #854E58

    oklch(49.1% 0.075 8.5)

  9. Step 800

    800

    #6C4148

    oklch(42.8% 0.06 9.4)

  10. Step 900

    900

    #58373C

    oklch(37.8% 0.048 9.7)

  11. Step 950

    950 (this color)

    #251316

    oklch(21.3% 0.03 9.1)

Export this scale for Tailwind in the Tailwind colors tool

#251316 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)#1616160.033
Deuteranopia (no green cones)#1A19160.030
Tritanopia (no blue cones)#2811140.009
Achromatopsia (no color)#1818180.030

Harmonies

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

Complementary

The opposite hue (180°).

  • #251316

    #251316

    oklch(21.3% 0.03 9.1)

  • #061D1C

    #061D1C

    oklch(21.2% 0.029 191.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #251316

    #251316

    oklch(21.3% 0.03 9.1)

  • #22131E

    #22131E

    oklch(21.2% 0.031 336.9)

  • #25140E

    #25140E

    oklch(21.3% 0.031 40.2)

Open the analogous palette in the generator

Split complementary

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

  • #251316

    #251316

    oklch(21.3% 0.03 9.1)

  • #0C1D14

    #0C1D14

    oklch(21.2% 0.029 159.4)

  • #061C22

    #061C22

    oklch(21.2% 0.03 218.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #251316

    #251316

    oklch(21.3% 0.03 9.1)

  • #151C0C

    #151C0C

    oklch(21.4% 0.031 128.1)

  • #0E1A26

    #0E1A26

    oklch(21.3% 0.029 249.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #251316

    #251316

    oklch(21.3% 0.03 9.1)

  • #1C1908

    #1C1908

    oklch(21.2% 0.03 99.6)

  • #061D1C

    #061D1C

    oklch(21.2% 0.029 191.3)

  • #161727

    #161727

    oklch(21.2% 0.032 280.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #251316, closest first.

Similar named colors

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

Use #251316 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.