#210F12

Closest named color: Very Dark Brown (#1D0200). oklch(19.6% 0.031 9.6), rgb(33, 15, 18).

Aa

White text reads best on this color (18.39:1).

About this color

#210F12 is a very dark, muted red. In OKLCH its lightness is 20%, its chroma 0.031 and its hue 10°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.053 away. White text reads best on it, at 18.39:1.

Hue familyReds
Lightnessvery dark (20%)
Chromamuted (0.031)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.14:1
White text18.39:1

Values

HEX#210F12
RGBrgb(33, 15, 18)
HSLhsl(350, 38%, 9%)
OKLCHoklch(19.6% 0.031 9.6)

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 #210F12 18.39:1 AAA Lc -107.1 Preferred for body text
Black text on #210F12 1.14:1 Fails Lc 0.0 Not readable
#210F12 text on white 18.39:1 AAA Lc 104.9 Preferred for body text
#210F12 text on black 1.14:1 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

    #F9F4F5

    oklch(97.1% 0.006 3.3)

  2. Step 100

    100

    #F1E7E8

    oklch(93.6% 0.011 10.3)

  3. Step 200

    200

    #E6D4D6

    oklch(88.5% 0.02 9.8)

  4. Step 300

    300

    #D7B7BB

    oklch(80.8% 0.037 9.4)

  5. Step 400

    400

    #C29298

    oklch(70.7% 0.059 10.3)

  6. Step 500

    500

    #B1777F

    oklch(63.1% 0.074 10.3)

  7. Step 600

    600

    #9C5F69

    oklch(55.6% 0.08 9.4)

  8. Step 700

    700

    #854E57

    oklch(49% 0.075 9.6)

  9. Step 800

    800

    #6D4047

    oklch(42.7% 0.063 10)

  10. Step 900

    900

    #58373C

    oklch(37.8% 0.048 9.7)

  11. Step 950

    950 (this color)

    #210F12

    oklch(19.6% 0.031 9.6)

Export this scale for Tailwind in the Tailwind colors tool

#210F12 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)#1212120.034
Deuteranopia (no green cones)#1716120.031
Tritanopia (no blue cones)#240D100.009
Achromatopsia (no color)#1414140.031

Harmonies

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

Complementary

The opposite hue (180°).

  • #210F12

    #210F12

    oklch(19.6% 0.031 9.6)

  • #021918

    #021918

    oklch(19.4% 0.03 191.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #210F12

    #210F12

    oklch(19.6% 0.031 9.6)

  • #1E0F1A

    #1E0F1A

    oklch(19.5% 0.032 337.2)

  • #21100A

    #21100A

    oklch(19.6% 0.031 40.1)

Open the analogous palette in the generator

Split complementary

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

  • #210F12

    #210F12

    oklch(19.6% 0.031 9.6)

  • #071910

    #071910

    oklch(19.4% 0.031 160.2)

  • #03181F

    #03181F

    oklch(19.5% 0.031 222)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #210F12

    #210F12

    oklch(19.6% 0.031 9.6)

  • #111809

    #111809

    oklch(19.7% 0.03 129.2)

  • #0A1622

    #0A1622

    oklch(19.6% 0.03 249.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #210F12

    #210F12

    oklch(19.6% 0.031 9.6)

  • #181505

    #181505

    oklch(19.4% 0.03 99.5)

  • #021918

    #021918

    oklch(19.4% 0.03 191.2)

  • #121323

    #121323

    oklch(19.4% 0.032 280.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #210F12, closest first.

Similar named colors

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

Use #210F12 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.