#210810

Closest named color: Very Dark Brown (#1D0200). oklch(18.1% 0.045 2.4), rgb(33, 8, 16).

Aa

White text reads best on this color (18.97:1).

About this color

#210810 is a very dark, muted red. In OKLCH its lightness is 18%, its chroma 0.045 and its hue 2°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.041 away. White text reads best on it, at 18.97:1.

Hue familyReds
Lightnessvery dark (18%)
Chromamuted (0.045)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.10:1
White text18.97:1

Values

HEX#210810
RGBrgb(33, 8, 16)
HSLhsl(341, 61%, 8%)
OKLCHoklch(18.1% 0.045 2.4)

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 #210810 18.97:1 AAA Lc -107.3 Preferred for body text
Black text on #210810 1.10:1 Fails Lc 0.0 Not readable
#210810 text on white 18.97:1 AAA Lc 105.2 Preferred for body text
#210810 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

    #FAF4F5

    oklch(97.2% 0.007 5.6)

  2. Step 100

    100

    #F3E6E9

    oklch(93.6% 0.015 1.6)

  3. Step 200

    200

    #EBD2D7

    oklch(88.6% 0.029 4)

  4. Step 300

    300

    #DFB3BE

    oklch(80.9% 0.053 1.7)

  5. Step 400

    400

    #CD8A9C

    oklch(70.6% 0.085 1.9)

  6. Step 500

    500

    #BF6C84

    oklch(63.1% 0.109 2.1)

  7. Step 600

    600

    #AA536D

    oklch(55.6% 0.117 2.7)

  8. Step 700

    700

    #92435B

    oklch(49.2% 0.109 2.8)

  9. Step 800

    800

    #76384B

    oklch(42.7% 0.089 2.2)

  10. Step 900

    900

    #60303E

    oklch(37.6% 0.071 2.5)

  11. Step 950

    950 (this color)

    #210810

    oklch(18.1% 0.045 2.4)

Export this scale for Tailwind in the Tailwind colors tool

#210810 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)#0C0D100.050
Deuteranopia (no green cones)#13120F0.045
Tritanopia (no blue cones)#24060B0.012
Achromatopsia (no color)#1010100.045

Harmonies

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

Complementary

The opposite hue (180°).

  • #210810

    #210810

    oklch(18.1% 0.045 2.4)

  • #001613

    #001613

    oklch(18% 0.032 183.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #210810

    #210810

    oklch(18.1% 0.045 2.4)

  • #1D091A

    #1D091A

    oklch(18% 0.045 333.2)

  • #220905

    #220905

    oklch(18.1% 0.045 32.9)

Open the analogous palette in the generator

Split complementary

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

  • #210810

    #210810

    oklch(18.1% 0.045 2.4)

  • #011708

    #011708

    oklch(18% 0.044 153.1)

  • #00151A

    #00151A

    oklch(18% 0.032 213.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #210810

    #210810

    oklch(18.1% 0.045 2.4)

  • #0E1500

    #0E1500

    oklch(18.2% 0.045 123.7)

  • #001323

    #001323

    oklch(18% 0.044 243.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #210810

    #210810

    oklch(18.1% 0.045 2.4)

  • #171100

    #171100

    oklch(18% 0.037 93.8)

  • #001613

    #001613

    oklch(18% 0.032 183.7)

  • #0B1025

    #0B1025

    oklch(18.1% 0.044 271.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #210810, closest first.

Similar named colors

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

Use #210810 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.