#21070D

Closest named color: Very Dark Brown (#1D0200). oklch(17.7% 0.046 8.2), rgb(33, 7, 13).

Aa

White text reads best on this color (19.07:1).

About this color

#21070D is a very dark, muted red. In OKLCH its lightness is 18%, its chroma 0.046 and its hue 8°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.035 away. White text reads best on it, at 19.07:1.

Hue familyReds
Lightnessvery dark (18%)
Chromamuted (0.046)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.10:1
White text19.07:1

Values

HEX#21070D
RGBrgb(33, 7, 13)
HSLhsl(346, 65%, 8%)
OKLCHoklch(17.7% 0.046 8.2)

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 #21070D 19.07:1 AAA Lc -107.3 Preferred for body text
Black text on #21070D 1.10:1 Fails Lc 0.0 Not readable
#21070D text on white 19.07:1 AAA Lc 105.3 Preferred for body text
#21070D 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

    #FAF3F4

    oklch(97% 0.008 7.3)

  2. Step 100

    100

    #F4E6E8

    oklch(93.7% 0.015 7.5)

  3. Step 200

    200

    #ECD1D5

    oklch(88.4% 0.031 7.6)

  4. Step 300

    300

    #E1B3BA

    oklch(81% 0.054 8.1)

  5. Step 400

    400

    #D08A96

    oklch(70.7% 0.087 8.3)

  6. Step 500

    500

    #C26B7C

    oklch(63.1% 0.112 8.3)

  7. Step 600

    600

    #AD5265

    oklch(55.7% 0.12 8.7)

  8. Step 700

    700

    #944254

    oklch(49.1% 0.112 8.4)

  9. Step 800

    800

    #783745

    oklch(42.7% 0.092 8.2)

  10. Step 900

    900

    #61303A

    oklch(37.7% 0.072 8.1)

  11. Step 950

    950 (this color)

    #21070D

    oklch(17.7% 0.046 8.2)

Export this scale for Tailwind in the Tailwind colors tool

#21070D 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)#0C0C0D0.051
Deuteranopia (no green cones)#13120C0.048
Tritanopia (no blue cones)#2505090.012
Achromatopsia (no color)#1010100.046

Harmonies

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

Complementary

The opposite hue (180°).

  • #21070D

    #21070D

    oklch(17.7% 0.046 8.2)

  • #001514

    #001514

    oklch(17.7% 0.03 190.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #21070D

    #21070D

    oklch(17.7% 0.046 8.2)

  • #1D0818

    #1D0818

    oklch(17.7% 0.045 337.2)

  • #210803

    #210803

    oklch(17.6% 0.046 36.9)

Open the analogous palette in the generator

Split complementary

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

  • #21070D

    #21070D

    oklch(17.7% 0.046 8.2)

  • #00160A

    #00160A

    oklch(17.6% 0.041 158.9)

  • #00141A

    #00141A

    oklch(17.7% 0.032 217.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #21070D

    #21070D

    oklch(17.7% 0.046 8.2)

  • #0B1500

    #0B1500

    oklch(17.9% 0.047 128.4)

  • #011224

    #011224

    oklch(17.8% 0.045 248.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #21070D

    #21070D

    oklch(17.7% 0.046 8.2)

  • #151100

    #151100

    oklch(17.7% 0.037 99.2)

  • #001514

    #001514

    oklch(17.7% 0.03 190.9)

  • #0D0E25

    #0D0E25

    oklch(17.8% 0.047 278.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #21070D, closest first.

Similar named colors

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

Use #21070D 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.