#22100D

Closest named color: Very Dark Brown (#1D0200). oklch(19.8% 0.031 30.2), rgb(34, 16, 13).

Aa

White text reads best on this color (18.29:1).

About this color

#22100D is a very dark, muted red. In OKLCH its lightness is 20%, its chroma 0.031 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.052 away. White text reads best on it, at 18.29:1.

Hue familyReds
Lightnessvery dark (20%)
Chromamuted (0.031)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.14:1
White text18.29:1

Values

HEX#22100D
RGBrgb(34, 16, 13)
HSLhsl(9, 45%, 9%)
OKLCHoklch(19.8% 0.031 30.2)

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 #22100D 18.29:1 AAA Lc -107.0 Preferred for body text
Black text on #22100D 1.14:1 Fails Lc 0.0 Not readable
#22100D text on white 18.29:1 AAA Lc 104.9 Preferred for body text
#22100D 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

    #F1E7E6

    oklch(93.6% 0.011 24.3)

  3. Step 200

    200

    #E6D4D1

    oklch(88.4% 0.02 28.9)

  4. Step 300

    300

    #D8B8B3

    oklch(80.9% 0.038 28.4)

  5. Step 400

    400

    #C3938B

    oklch(70.7% 0.06 29.4)

  6. Step 500

    500

    #B3786E

    oklch(63.1% 0.076 30)

  7. Step 600

    600

    #9E6056

    oklch(55.5% 0.083 29.8)

  8. Step 700

    700

    #874F46

    oklch(49% 0.077 29.9)

  9. Step 800

    800

    #6E413A

    oklch(42.7% 0.064 29.5)

  10. Step 900

    900

    #593832

    oklch(37.8% 0.049 30.8)

  11. Step 950

    950 (this color)

    #22100D

    oklch(19.8% 0.031 30.2)

Export this scale for Tailwind in the Tailwind colors tool

#22100D 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)#14130D0.032
Deuteranopia (no green cones)#18160D0.029
Tritanopia (no blue cones)#260D0F0.014
Achromatopsia (no color)#1515150.031

Harmonies

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

Complementary

The opposite hue (180°).

  • #22100D

    #22100D

    oklch(19.8% 0.031 30.2)

  • #02191D

    #02191D

    oklch(19.7% 0.031 210)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #22100D

    #22100D

    oklch(19.8% 0.031 30.2)

  • #210F15

    #210F15

    oklch(19.7% 0.032 359)

  • #201207

    #201207

    oklch(19.8% 0.031 58.6)

Open the analogous palette in the generator

Split complementary

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

  • #22100D

    #22100D

    oklch(19.8% 0.031 30.2)

  • #031A16

    #031A16

    oklch(19.7% 0.031 180.2)

  • #071722

    #071722

    oklch(19.7% 0.031 240.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #22100D

    #22100D

    oklch(19.8% 0.031 30.2)

  • #0A1A0E

    #0A1A0E

    oklch(19.9% 0.033 150.6)

  • #101524

    #101524

    oklch(19.9% 0.031 269.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #22100D

    #22100D

    oklch(19.8% 0.031 30.2)

  • #141807

    #141807

    oklch(19.9% 0.032 120.1)

  • #02191D

    #02191D

    oklch(19.7% 0.031 210)

  • #181222

    #181222

    oklch(19.8% 0.032 300.7)

Open the square palette in the generator

Palettes with this color

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

Similar named colors

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

Use #22100D 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.