#220B03

Closest named color: Very Dark Brown (#1D0200). oklch(18.5% 0.044 43.4), rgb(34, 11, 3).

Aa

White text reads best on this color (18.79:1).

About this color

#220B03 is a very dark, muted brown. In OKLCH its lightness is 18%, its chroma 0.044 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.036 away. White text reads best on it, at 18.79:1.

Hue familyBrowns
Lightnessvery dark (18%)
Chromamuted (0.044)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.11:1
White text18.79:1

Values

HEX#220B03
RGBrgb(34, 11, 3)
HSLhsl(15, 84%, 7%)
OKLCHoklch(18.5% 0.044 43.4)

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 #220B03 18.79:1 AAA Lc -107.2 Preferred for body text
Black text on #220B03 1.11:1 Fails Lc 0.0 Not readable
#220B03 text on white 18.79:1 AAA Lc 105.1 Preferred for body text
#220B03 text on black 1.11:1 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

    #FAF4F2

    oklch(97.1% 0.007 39.5)

  2. Step 100

    100

    #F3E7E2

    oklch(93.6% 0.015 44.2)

  3. Step 200

    200

    #EBD4CA

    oklch(88.6% 0.029 45)

  4. Step 300

    300

    #DEB7A6

    oklch(80.9% 0.051 44.8)

  5. Step 400

    400

    #CD9077

    oklch(70.7% 0.083 43.2)

  6. Step 500

    500

    #BE7353

    oklch(63% 0.105 43.6)

  7. Step 600

    600

    #AA5A38

    oklch(55.6% 0.115 42.9)

  8. Step 700

    700

    #914A2A

    oklch(49.1% 0.106 43.8)

  9. Step 800

    800

    #763D24

    oklch(42.7% 0.088 43.5)

  10. Step 900

    900

    #603522

    oklch(37.8% 0.069 44.1)

  11. Step 950

    950 (this color)

    #220B03

    oklch(18.5% 0.044 43.4)

Export this scale for Tailwind in the Tailwind colors tool

#220B03 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)#110E020.042
Deuteranopia (no green cones)#1714030.038
Tritanopia (no blue cones)#2607090.022
Achromatopsia (no color)#1212120.044

Harmonies

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

Complementary

The opposite hue (180°).

  • #220B03

    #220B03

    oklch(18.5% 0.044 43.4)

  • #00161E

    #00161E

    oklch(18.6% 0.035 223)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #220B03

    #220B03

    oklch(18.5% 0.044 43.4)

  • #22090D

    #22090D

    oklch(18.3% 0.043 12.4)

  • #1D0F00

    #1D0F00

    oklch(18.4% 0.039 71.9)

Open the analogous palette in the generator

Split complementary

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

  • #220B03

    #220B03

    oklch(18.5% 0.044 43.4)

  • #001717

    #001717

    oklch(18.5% 0.032 194.8)

  • #041325

    #041325

    oklch(18.4% 0.043 252.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #220B03

    #220B03

    oklch(18.5% 0.044 43.4)

  • #00180E

    #00180E

    oklch(18.5% 0.039 164.3)

  • #100F25

    #100F25

    oklch(18.3% 0.044 283.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #220B03

    #220B03

    oklch(18.5% 0.044 43.4)

  • #0A1703

    #0A1703

    oklch(18.6% 0.044 134.5)

  • #00161E

    #00161E

    oklch(18.6% 0.035 223)

  • #190C20

    #190C20

    oklch(18.4% 0.043 312.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #220B03, closest first.

Similar named colors

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

Use #220B03 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.