#210616

Closest named color: Very Dark Brown (#1D0200). oklch(17.9% 0.053 346.7), rgb(33, 6, 22).

Aa

White text reads best on this color (19.05:1).

About this color

#210616 is a very dark, muted red. In OKLCH its lightness is 18%, its chroma 0.053 and its hue 347°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.052 away. White text reads best on it, at 19.05:1.

Hue familyReds
Lightnessvery dark (18%)
Chromamuted (0.053)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.10:1
White text19.05:1

Values

HEX#210616
RGBrgb(33, 6, 22)
HSLhsl(324, 69%, 8%)
OKLCHoklch(17.9% 0.053 346.7)

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 #210616 19.05:1 AAA Lc -107.3 Preferred for body text
Black text on #210616 1.10:1 Fails Lc 0.0 Not readable
#210616 text on white 19.05:1 AAA Lc 105.2 Preferred for body text
#210616 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

    #FAF3F6

    oklch(97% 0.008 349.2)

  2. Step 100

    100

    #F4E5EC

    oklch(93.6% 0.019 347.4)

  3. Step 200

    200

    #ECD0DE

    oklch(88.5% 0.036 346.2)

  4. Step 300

    300

    #E0B1C9

    oklch(81% 0.063 346.5)

  5. Step 400

    400

    #CF87AD

    oklch(70.8% 0.1 347)

  6. Step 500

    500

    #C06799

    oklch(63.1% 0.128 346.6)

  7. Step 600

    600

    #AB4C83

    oklch(55.5% 0.14 346.8)

  8. Step 700

    700

    #933D6F

    oklch(49.2% 0.13 347)

  9. Step 800

    800

    #77335B

    oklch(42.7% 0.107 346.3)

  10. Step 900

    900

    #612D4A

    oklch(37.7% 0.084 347.3)

  11. Step 950

    950 (this color)

    #210616

    oklch(17.9% 0.053 346.7)

Export this scale for Tailwind in the Tailwind colors tool

#210616 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)#090D170.057
Deuteranopia (no green cones)#1012150.053
Tritanopia (no blue cones)#24060C0.022
Achromatopsia (no color)#1010100.053

Harmonies

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

Complementary

The opposite hue (180°).

  • #210616

    #210616

    oklch(17.9% 0.053 346.7)

  • #00160E

    #00160E

    oklch(17.8% 0.036 168)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #210616

    #210616

    oklch(17.9% 0.053 346.7)

  • #1A0821

    #1A0821

    oklch(17.8% 0.054 315.6)

  • #240509

    #240509

    oklch(17.8% 0.054 15.6)

Open the analogous palette in the generator

Split complementary

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

  • #210616

    #210616

    oklch(17.9% 0.053 346.7)

  • #051600

    #051600

    oklch(17.8% 0.054 136.7)

  • #001516

    #001516

    oklch(17.8% 0.03 198.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #210616

    #210616

    oklch(17.9% 0.053 346.7)

  • #141200

    #141200

    oklch(17.9% 0.038 104.7)

  • #00141D

    #00141D

    oklch(17.8% 0.035 227.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #210616

    #210616

    oklch(17.9% 0.053 346.7)

  • #1B0F00

    #1B0F00

    oklch(18.1% 0.038 76.6)

  • #00160E

    #00160E

    oklch(17.8% 0.036 168)

  • #021128

    #021128

    oklch(17.9% 0.053 256)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #210616, closest first.

Similar named colors

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

Use #210616 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.