#210B02

Closest named color: Very Dark Brown (#1D0200). oklch(18.2% 0.043 47.3), rgb(33, 11, 2).

Aa

White text reads best on this color (18.86:1).

About this color

#210B02 is a very dark, muted brown. In OKLCH its lightness is 18%, its chroma 0.043 and its hue 47°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.035 away. White text reads best on it, at 18.86:1.

Hue familyBrowns
Lightnessvery dark (18%)
Chromamuted (0.043)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.11:1
White text18.86:1

Values

HEX#210B02
RGBrgb(33, 11, 2)
HSLhsl(17, 89%, 7%)
OKLCHoklch(18.2% 0.043 47.3)

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 #210B02 18.86:1 AAA Lc -107.2 Preferred for body text
Black text on #210B02 1.11:1 Fails Lc 0.0 Not readable
#210B02 text on white 18.86:1 AAA Lc 105.2 Preferred for body text
#210B02 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

    #EAD4C9

    oklch(88.5% 0.029 48.4)

  4. Step 300

    300

    #DDB7A5

    oklch(80.8% 0.051 46.8)

  5. Step 400

    400

    #CB9174

    oklch(70.6% 0.082 47.5)

  6. Step 500

    500

    #BD7550

    oklch(63.2% 0.104 47.4)

  7. Step 600

    600

    #A85C33

    oklch(55.6% 0.114 47.4)

  8. Step 700

    700

    #904B26

    oklch(49% 0.106 46.9)

  9. Step 800

    800

    #753E21

    oklch(42.7% 0.087 47)

  10. Step 900

    900

    #5F3520

    oklch(37.7% 0.069 46.5)

  11. Step 950

    950 (this color)

    #210B02

    oklch(18.2% 0.043 47.3)

Export this scale for Tailwind in the Tailwind colors tool

#210B02 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)#110E010.040
Deuteranopia (no green cones)#1713020.034
Tritanopia (no blue cones)#2507080.023
Achromatopsia (no color)#1111110.043

Harmonies

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

Complementary

The opposite hue (180°).

  • #210B02

    #210B02

    oklch(18.2% 0.043 47.3)

  • #00151E

    #00151E

    oklch(18.2% 0.035 226.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #210B02

    #210B02

    oklch(18.2% 0.043 47.3)

  • #22090B

    #22090B

    oklch(18.3% 0.043 17.4)

  • #1B0F00

    #1B0F00

    oklch(18.1% 0.038 76.6)

Open the analogous palette in the generator

Split complementary

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

  • #210B02

    #210B02

    oklch(18.2% 0.043 47.3)

  • #001617

    #001617

    oklch(18.2% 0.031 198.6)

  • #051225

    #051225

    oklch(18.2% 0.044 256.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #210B02

    #210B02

    oklch(18.2% 0.043 47.3)

  • #00170F

    #00170F

    oklch(18.2% 0.037 168.6)

  • #110E24

    #110E24

    oklch(18.1% 0.044 287.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #210B02

    #210B02

    oklch(18.2% 0.043 47.3)

  • #081604

    #081604

    oklch(18.1% 0.042 137.9)

  • #00151E

    #00151E

    oklch(18.2% 0.035 226.6)

  • #1A0B1E

    #1A0B1E

    oklch(18.2% 0.043 318.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #210B02, closest first.

Similar named colors

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

Use #210B02 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.