#21110A

Closest named color: Very Dark Brown (#1D0200). oklch(19.8% 0.03 44.2), rgb(33, 17, 10).

Aa

White text reads best on this color (18.27:1).

About this color

#21110A is a very dark, muted brown. In OKLCH its lightness is 20%, its chroma 0.030 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.053 away. White text reads best on it, at 18.27:1.

Hue familyBrowns
Lightnessvery dark (20%)
Chromamuted (0.030)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.14:1
White text18.27:1

Values

HEX#21110A
RGBrgb(33, 17, 10)
HSLhsl(18, 53%, 8%)
OKLCHoklch(19.8% 0.03 44.2)

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 #21110A 18.27:1 AAA Lc -107.0 Preferred for body text
Black text on #21110A 1.14:1 Fails Lc 0.0 Not readable
#21110A text on white 18.27:1 AAA Lc 104.9 Preferred for body text
#21110A 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

    #F8F4F3

    oklch(97% 0.005 34.3)

  2. Step 100

    100

    #F0E8E4

    oklch(93.6% 0.01 48.6)

  3. Step 200

    200

    #E5D5CF

    oklch(88.4% 0.02 41.8)

  4. Step 300

    300

    #D5BAAE

    oklch(80.9% 0.035 45.4)

  5. Step 400

    400

    #C09684

    oklch(70.8% 0.057 44.3)

  6. Step 500

    500

    #AF7B65

    oklch(63% 0.073 43.8)

  7. Step 600

    600

    #9A644C

    oklch(55.6% 0.079 44.7)

  8. Step 700

    700

    #84533D

    oklch(49.2% 0.074 44.8)

  9. Step 800

    800

    #6B4433

    oklch(42.7% 0.061 44.3)

  10. Step 900

    900

    #57392C

    oklch(37.6% 0.048 44.2)

  11. Step 950

    950 (this color)

    #21110A

    oklch(19.8% 0.03 44.2)

Export this scale for Tailwind in the Tailwind colors tool

#21110A 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)#1513090.027
Deuteranopia (no green cones)#19160A0.024
Tritanopia (no blue cones)#250E0F0.018
Achromatopsia (no color)#1515150.030

Harmonies

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

Complementary

The opposite hue (180°).

  • #21110A

    #21110A

    oklch(19.8% 0.03 44.2)

  • #051820

    #051820

    oklch(19.7% 0.03 227.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #21110A

    #21110A

    oklch(19.8% 0.03 44.2)

  • #211011

    #211011

    oklch(19.8% 0.029 16.2)

  • #1E1306

    #1E1306

    oklch(19.8% 0.03 70.4)

Open the analogous palette in the generator

Split complementary

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

  • #21110A

    #21110A

    oklch(19.8% 0.03 44.2)

  • #031A1A

    #031A1A

    oklch(19.9% 0.03 195)

  • #0C1623

    #0C1623

    oklch(19.8% 0.03 255.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #21110A

    #21110A

    oklch(19.8% 0.03 44.2)

  • #071A12

    #071A12

    oklch(19.9% 0.03 164.1)

  • #141423

    #141423

    oklch(19.9% 0.03 283.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #21110A

    #21110A

    oklch(19.8% 0.03 44.2)

  • #10190A

    #10190A

    oklch(19.9% 0.031 133.8)

  • #051820

    #051820

    oklch(19.7% 0.03 227.7)

  • #1B111F

    #1B111F

    oklch(19.8% 0.031 316)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #21110A, closest first.

Similar named colors

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

Use #21110A 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.