#22100B

Closest named color: Very Dark Brown (#1D0200). oklch(19.8% 0.032 36.3), rgb(34, 16, 11).

Aa

White text reads best on this color (18.30:1).

About this color

#22100B is a very dark, muted red. In OKLCH its lightness is 20%, its chroma 0.032 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.051 away. White text reads best on it, at 18.30:1.

Hue familyReds
Lightnessvery dark (20%)
Chromamuted (0.032)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.14:1
White text18.30:1

Values

HEX#22100B
RGBrgb(34, 16, 11)
HSLhsl(13, 51%, 9%)
OKLCHoklch(19.8% 0.032 36.3)

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 #22100B 18.30:1 AAA Lc -107.0 Preferred for body text
Black text on #22100B 1.14:1 Fails Lc 0.0 Not readable
#22100B text on white 18.30:1 AAA Lc 104.9 Preferred for body text
#22100B text on black 1.14:1 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

    #F9F4F3

    oklch(97.1% 0.006 31.1)

  2. Step 100

    100

    #F1E7E5

    oklch(93.5% 0.011 31.1)

  3. Step 200

    200

    #E7D5D0

    oklch(88.6% 0.021 36)

  4. Step 300

    300

    #D8B9B0

    oklch(81% 0.038 36.8)

  5. Step 400

    400

    #C39486

    oklch(70.7% 0.061 37.2)

  6. Step 500

    500

    #B37968

    oklch(63.1% 0.078 37)

  7. Step 600

    600

    #9E6150

    oklch(55.6% 0.084 36.3)

  8. Step 700

    700

    #875041

    oklch(49.1% 0.078 36.1)

  9. Step 800

    800

    #6E4235

    oklch(42.8% 0.065 37.2)

  10. Step 900

    900

    #59382E

    oklch(37.7% 0.05 37.6)

  11. Step 950

    950 (this color)

    #22100B

    oklch(19.8% 0.032 36.3)

Export this scale for Tailwind in the Tailwind colors tool

#22100B 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)#14120B0.032
Deuteranopia (no green cones)#19160B0.028
Tritanopia (no blue cones)#260D0F0.016
Achromatopsia (no color)#1515150.032

Harmonies

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

Complementary

The opposite hue (180°).

  • #22100B

    #22100B

    oklch(19.8% 0.032 36.3)

  • #02191F

    #02191F

    oklch(19.8% 0.032 216.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #22100B

    #22100B

    oklch(19.8% 0.032 36.3)

  • #220F13

    #220F13

    oklch(19.8% 0.033 7)

  • #1F1205

    #1F1205

    oklch(19.6% 0.032 66)

Open the analogous palette in the generator

Split complementary

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

  • #22100B

    #22100B

    oklch(19.8% 0.032 36.3)

  • #021A18

    #021A18

    oklch(19.8% 0.032 187.6)

  • #081723

    #081723

    oklch(19.8% 0.032 244.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #22100B

    #22100B

    oklch(19.8% 0.032 36.3)

  • #081A0F

    #081A0F

    oklch(19.8% 0.033 155.2)

  • #121424

    #121424

    oklch(19.8% 0.032 277.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #22100B

    #22100B

    oklch(19.8% 0.032 36.3)

  • #121808

    #121808

    oklch(19.8% 0.031 125.8)

  • #02191F

    #02191F

    oklch(19.8% 0.032 216.9)

  • #191221

    #191221

    oklch(19.9% 0.031 305.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #22100B, closest first.

Similar named colors

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

Use #22100B 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.