#210913

Closest named color: Very Dark Brown (#1D0200). oklch(18.4% 0.044 356.1), rgb(33, 9, 19).

Aa

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

About this color

#210913 is a very dark, muted red. In OKLCH its lightness is 18%, its chroma 0.044 and its hue 356°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.047 away. White text reads best on it, at 18.86:1.

Hue familyReds
Lightnessvery dark (18%)
Chromamuted (0.044)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.11:1
White text18.86:1

Values

HEX#210913
RGBrgb(33, 9, 19)
HSLhsl(335, 57%, 8%)
OKLCHoklch(18.4% 0.044 356.1)

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 #210913 18.86:1 AAA Lc -107.2 Preferred for body text
Black text on #210913 1.11:1 Fails Lc 0.0 Not readable
#210913 text on white 18.86:1 AAA Lc 105.2 Preferred for body text
#210913 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

    #FAF4F5

    oklch(97.2% 0.007 5.6)

  2. Step 100

    100

    #F3E6EA

    oklch(93.6% 0.015 356.6)

  3. Step 200

    200

    #EAD2DA

    oklch(88.6% 0.029 355.5)

  4. Step 300

    300

    #DDB3C1

    oklch(80.8% 0.052 356.4)

  5. Step 400

    400

    #CB8BA2

    oklch(70.7% 0.083 356.2)

  6. Step 500

    500

    #BC6D8B

    oklch(63.1% 0.106 356.3)

  7. Step 600

    600

    #A75475

    oklch(55.6% 0.115 356.4)

  8. Step 700

    700

    #8F4463

    oklch(49.1% 0.108 355.7)

  9. Step 800

    800

    #743850

    oklch(42.6% 0.089 356.3)

  10. Step 900

    900

    #5E3143

    oklch(37.7% 0.069 355.5)

  11. Step 950

    950 (this color)

    #210913

    oklch(18.4% 0.044 356.1)

Export this scale for Tailwind in the Tailwind colors tool

#210913 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)#0D0E130.047
Deuteranopia (no green cones)#1313120.045
Tritanopia (no blue cones)#24080D0.013
Achromatopsia (no color)#1111110.044

Harmonies

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

Complementary

The opposite hue (180°).

  • #210913

    #210913

    oklch(18.4% 0.044 356.1)

  • #001712

    #001712

    oklch(18.3% 0.034 177.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #210913

    #210913

    oklch(18.4% 0.044 356.1)

  • #1C0B1D

    #1C0B1D

    oklch(18.4% 0.043 325.1)

  • #230908

    #230908

    oklch(18.4% 0.045 24.9)

Open the analogous palette in the generator

Split complementary

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

  • #210913

    #210913

    oklch(18.4% 0.044 356.1)

  • #041706

    #041706

    oklch(18.2% 0.044 146.2)

  • #001619

    #001619

    oklch(18.3% 0.031 206.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #210913

    #210913

    oklch(18.4% 0.044 356.1)

  • #121400

    #121400

    oklch(18.3% 0.041 114.3)

  • #001522

    #001522

    oklch(18.5% 0.04 236.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #210913

    #210913

    oklch(18.4% 0.044 356.1)

  • #1A1100

    #1A1100

    oklch(18.4% 0.038 85.8)

  • #001712

    #001712

    oklch(18.3% 0.034 177.3)

  • #091126

    #091126

    oklch(18.3% 0.045 266.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #210913, closest first.

Similar named colors

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

Use #210913 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.