#210A02

Closest named color: Very Dark Brown (#1D0200). oklch(18% 0.044 44.8), rgb(33, 10, 2).

Aa

White text reads best on this color (18.93:1).

About this color

#210A02 is a very dark, muted brown. In OKLCH its lightness is 18%, its chroma 0.044 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.032 away. White text reads best on it, at 18.93:1.

Hue familyBrowns
Lightnessvery dark (18%)
Chromamuted (0.044)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.10:1
White text18.93:1

Values

HEX#210A02
RGBrgb(33, 10, 2)
HSLhsl(15, 89%, 7%)
OKLCHoklch(18% 0.044 44.8)

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 #210A02 18.93:1 AAA Lc -107.3 Preferred for body text
Black text on #210A02 1.10:1 Fails Lc 0.0 Not readable
#210A02 text on white 18.93:1 AAA Lc 105.2 Preferred for body text
#210A02 text on black 1.10:1 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

    #DFB7A5

    oklch(81% 0.053 45.5)

  5. Step 400

    400

    #CD9075

    oklch(70.7% 0.084 44.8)

  6. Step 500

    500

    #BF7351

    oklch(63.1% 0.107 44.5)

  7. Step 600

    600

    #AA5A35

    oklch(55.5% 0.116 44.4)

  8. Step 700

    700

    #924A27

    oklch(49.2% 0.108 45)

  9. Step 800

    800

    #763D22

    oklch(42.6% 0.089 44.8)

  10. Step 900

    900

    #603521

    oklch(37.8% 0.069 45)

  11. Step 950

    950 (this color)

    #210A02

    oklch(18% 0.044 44.8)

Export this scale for Tailwind in the Tailwind colors tool

#210A02 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)#100D010.042
Deuteranopia (no green cones)#1613020.038
Tritanopia (no blue cones)#2506080.023
Achromatopsia (no color)#1111110.044

Harmonies

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

Complementary

The opposite hue (180°).

  • #210A02

    #210A02

    oklch(18% 0.044 44.8)

  • #00151D

    #00151D

    oklch(18.2% 0.034 223.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #210A02

    #210A02

    oklch(18% 0.044 44.8)

  • #22080B

    #22080B

    oklch(18.1% 0.045 15.5)

  • #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°).

  • #210A02

    #210A02

    oklch(18% 0.044 44.8)

  • #001616

    #001616

    oklch(18.1% 0.031 194.8)

  • #041225

    #041225

    oklch(18.1% 0.045 255)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #210A02

    #210A02

    oklch(18% 0.044 44.8)

  • #00170D

    #00170D

    oklch(18.1% 0.039 163.7)

  • #100E24

    #100E24

    oklch(18% 0.044 285.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #210A02

    #210A02

    oklch(18% 0.044 44.8)

  • #091602

    #091602

    oklch(18.2% 0.045 134)

  • #00151D

    #00151D

    oklch(18.2% 0.034 223.7)

  • #190B1F

    #190B1F

    oklch(18.1% 0.044 315)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #210A02, closest first.

Similar named colors

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

Use #210A02 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.