#22100A

Closest named color: Very Dark Brown (#1D0200). oklch(19.7% 0.033 39.2), rgb(34, 16, 10).

Aa

White text reads best on this color (18.31:1).

About this color

#22100A is a very dark, muted red. In OKLCH its lightness is 20%, its chroma 0.033 and its hue 39°. 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 18.31:1.

Hue familyReds
Lightnessvery dark (20%)
Chromamuted (0.033)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.14:1
White text18.31:1

Values

HEX#22100A
RGBrgb(34, 16, 10)
HSLhsl(15, 55%, 9%)
OKLCHoklch(19.7% 0.033 39.2)

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 #22100A 18.31:1 AAA Lc -107.0 Preferred for body text
Black text on #22100A 1.14:1 Fails Lc 0.0 Not readable
#22100A text on white 18.31:1 AAA Lc 104.9 Preferred for body text
#22100A 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

    #F1E7E4

    oklch(93.5% 0.012 37.4)

  3. Step 200

    200

    #E7D5CF

    oklch(88.6% 0.022 39.4)

  4. Step 300

    300

    #D8B9AE

    oklch(81% 0.039 40.5)

  5. Step 400

    400

    #C39484

    oklch(70.7% 0.062 39.6)

  6. Step 500

    500

    #B37965

    oklch(63.1% 0.079 39.8)

  7. Step 600

    600

    #9E614D

    oklch(55.5% 0.086 38.9)

  8. Step 700

    700

    #87503E

    oklch(49% 0.08 38.9)

  9. Step 800

    800

    #6E4233

    oklch(42.7% 0.066 39.6)

  10. Step 900

    900

    #59382D

    oklch(37.7% 0.051 39.2)

  11. Step 950

    950 (this color)

    #22100A

    oklch(19.7% 0.033 39.2)

Export this scale for Tailwind in the Tailwind colors tool

#22100A 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)#1512090.030
Deuteranopia (no green cones)#19160A0.028
Tritanopia (no blue cones)#260D0E0.016
Achromatopsia (no color)#1515150.033

Harmonies

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

Complementary

The opposite hue (180°).

  • #22100A

    #22100A

    oklch(19.7% 0.033 39.2)

  • #02191F

    #02191F

    oklch(19.8% 0.032 216.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #22100A

    #22100A

    oklch(19.7% 0.033 39.2)

  • #220F12

    #220F12

    oklch(19.8% 0.032 10.3)

  • #1F1305

    #1F1305

    oklch(19.9% 0.032 70.2)

Open the analogous palette in the generator

Split complementary

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

  • #22100A

    #22100A

    oklch(19.7% 0.033 39.2)

  • #011A18

    #011A18

    oklch(19.7% 0.033 187.8)

  • #091624

    #091624

    oklch(19.6% 0.034 251.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #22100A

    #22100A

    oklch(19.7% 0.033 39.2)

  • #071A10

    #071A10

    oklch(19.8% 0.033 158.7)

  • #121424

    #121424

    oklch(19.8% 0.032 277.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #22100A

    #22100A

    oklch(19.7% 0.033 39.2)

  • #111808

    #111808

    oklch(19.7% 0.032 128.2)

  • #02191F

    #02191F

    oklch(19.8% 0.032 216.9)

  • #1A1121

    #1A1121

    oklch(19.8% 0.034 309.4)

Open the square palette in the generator

Palettes with this color

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

Similar named colors

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

Use #22100A 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.