#210D04

Closest named color: Very Dark Brown (#1D0200). oklch(18.7% 0.039 47), rgb(33, 13, 4).

Aa

White text reads best on this color (18.68:1).

About this color

#210D04 is a very dark, muted brown. In OKLCH its lightness is 19%, its chroma 0.039 and its hue 47°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.040 away. White text reads best on it, at 18.68:1.

Hue familyBrowns
Lightnessvery dark (19%)
Chromamuted (0.039)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.12:1
White text18.68:1

Values

HEX#210D04
RGBrgb(33, 13, 4)
HSLhsl(19, 78%, 7%)
OKLCHoklch(18.7% 0.039 47)

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 #210D04 18.68:1 AAA Lc -107.2 Preferred for body text
Black text on #210D04 1.12:1 Fails Lc 0.0 Not readable
#210D04 text on white 18.68:1 AAA Lc 105.1 Preferred for body text
#210D04 text on black 1.12:1 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

    #F9F4F2

    oklch(97% 0.006 43.3)

  2. Step 100

    100

    #F2E7E2

    oklch(93.5% 0.014 46.2)

  3. Step 200

    200

    #E8D4CB

    oklch(88.4% 0.026 45.9)

  4. Step 300

    300

    #DBB8A8

    oklch(80.9% 0.046 46)

  5. Step 400

    400

    #C89379

    oklch(70.8% 0.074 47.2)

  6. Step 500

    500

    #B97756

    oklch(63.1% 0.095 47.1)

  7. Step 600

    600

    #A45F3B

    oklch(55.7% 0.103 47.3)

  8. Step 700

    700

    #8C4E2E

    oklch(49.1% 0.095 46.9)

  9. Step 800

    800

    #724027

    oklch(42.7% 0.079 46.4)

  10. Step 900

    900

    #5C3724

    oklch(37.7% 0.061 47.5)

  11. Step 950

    950 (this color)

    #210D04

    oklch(18.7% 0.039 47)

Export this scale for Tailwind in the Tailwind colors tool

#210D04 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)#1310030.034
Deuteranopia (no green cones)#1714040.032
Tritanopia (no blue cones)#25090B0.023
Achromatopsia (no color)#1212120.039

Harmonies

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

Complementary

The opposite hue (180°).

  • #210D04

    #210D04

    oklch(18.7% 0.039 47)

  • #001620

    #001620

    oklch(18.7% 0.037 228.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #210D04

    #210D04

    oklch(18.7% 0.039 47)

  • #220B0D

    #220B0D

    oklch(18.7% 0.04 16.3)

  • #1D1000

    #1D1000

    oklch(18.7% 0.039 75.2)

Open the analogous palette in the generator

Split complementary

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

  • #210D04

    #210D04

    oklch(18.7% 0.039 47)

  • #001718

    #001718

    oklch(18.6% 0.032 198.5)

  • #071324

    #071324

    oklch(18.6% 0.039 256.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #210D04

    #210D04

    oklch(18.7% 0.039 47)

  • #00180F

    #00180F

    oklch(18.5% 0.038 166.7)

  • #121024

    #121024

    oklch(18.7% 0.04 286.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #210D04

    #210D04

    oklch(18.7% 0.039 47)

  • #0A1705

    #0A1705

    oklch(18.7% 0.04 136.8)

  • #001620

    #001620

    oklch(18.7% 0.037 228.6)

  • #1A0D1F

    #1A0D1F

    oklch(18.7% 0.04 316.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #210D04, closest first.

Similar named colors

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

Use #210D04 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.