#06221D

Closest named color: Rich Black (#0D1B2A). oklch(22.9% 0.035 179.2), rgb(6, 34, 29).

Aa

White text reads best on this color (16.74:1).

About this color

#06221D is a very dark, muted teal or cyan. In OKLCH its lightness is 23%, its chroma 0.035 and its hue 179°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.043 away. White text reads best on it, at 16.74:1.

Hue familyTeals and cyans
Lightnessvery dark (23%)
Chromamuted (0.035)
Temperaturecool
Nearest nameRich Black (#0D1B2A)
Black text1.25:1
White text16.74:1

Values

HEX#06221D
RGBrgb(6, 34, 29)
HSLhsl(169, 70%, 8%)
OKLCHoklch(22.9% 0.035 179.2)

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 #06221D 16.74:1 AAA Lc -106.0 Preferred for body text
Black text on #06221D 1.25:1 Fails Lc 0.0 Not readable
#06221D text on white 16.74:1 AAA Lc 103.5 Preferred for body text
#06221D text on black 1.25:1 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

    #F2F7F5

    oklch(97.2% 0.006 170.4)

  2. Step 100

    100

    #E2EDEA

    oklch(93.7% 0.012 178)

  3. Step 200

    200

    #CADED9

    oklch(88.4% 0.022 179.1)

  4. Step 300

    300

    #A5CAC1

    oklch(81% 0.041 178.8)

  5. Step 400

    400

    #71AFA1

    oklch(70.8% 0.068 178.4)

  6. Step 500

    500

    #479A8B

    oklch(63% 0.084 179.9)

  7. Step 600

    600

    #208574

    oklch(55.6% 0.093 178.6)

  8. Step 700

    700

    #0E7062

    oklch(49% 0.086 179.8)

  9. Step 800

    800

    #135C50

    oklch(42.8% 0.071 178.9)

  10. Step 900

    900

    #194B42

    oklch(37.6% 0.056 179.2)

  11. Step 950

    950 (this color)

    #06221D

    oklch(22.9% 0.035 179.2)

Export this scale for Tailwind in the Tailwind colors tool

#06221D 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)#201F1D0.037
Deuteranopia (no green cones)#1C1C1D0.036
Tritanopia (no blue cones)#0023200.007
Achromatopsia (no color)#1E1E1E0.036

Harmonies

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

Complementary

The opposite hue (180°).

  • #06221D

    #06221D

    oklch(22.9% 0.035 179.2)

  • #2A151C

    #2A151C

    oklch(22.8% 0.036 358.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #06221D

    #06221D

    oklch(22.9% 0.035 179.2)

  • #102114

    #102114

    oklch(22.8% 0.034 150.5)

  • #042126

    #042126

    oklch(22.9% 0.035 210.9)

Open the analogous palette in the generator

Split complementary

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

  • #06221D

    #06221D

    oklch(22.9% 0.035 179.2)

  • #261725

    #261725

    oklch(23% 0.035 328.9)

  • #2B1613

    #2B1613

    oklch(22.9% 0.035 28.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #06221D

    #06221D

    oklch(22.9% 0.035 179.2)

  • #1F192B

    #1F192B

    oklch(23% 0.035 298.9)

  • #29180B

    #29180B

    oklch(22.8% 0.035 57.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #06221D

    #06221D

    oklch(22.9% 0.035 179.2)

  • #161C2D

    #161C2D

    oklch(22.9% 0.034 268.7)

  • #2A151C

    #2A151C

    oklch(22.8% 0.036 358.9)

  • #231C08

    #231C08

    oklch(22.9% 0.035 90.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #06221D, closest first.

Similar named colors

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

Use #06221D 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.