#212117

Closest named color: Jet (#212529). oklch(24.4% 0.018 107.7), rgb(33, 33, 23).

Aa

White text reads best on this color (16.22:1).

About this color

#212117 is a very dark close to neutral grey. In OKLCH its lightness is 24%, its chroma 0.018. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.032 away. White text reads best on it, at 16.22:1.

Hue familyNeutrals
Lightnessvery dark (24%)
Chromaclose to neutral grey (0.018)
Temperatureneutral
Nearest nameJet (#212529)
Black text1.29:1
White text16.22:1

Values

HEX#212117
RGBrgb(33, 33, 23)
HSLhsl(60, 18%, 11%)
OKLCHoklch(24.4% 0.018 107.7)

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 #212117 16.22:1 AAA Lc -105.7 Preferred for body text
Black text on #212117 1.29:1 Fails Lc 0.0 Not readable
#212117 text on white 16.22:1 AAA Lc 103.2 Preferred for body text
#212117 text on black 1.29:1 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

    #F5F5F3

    oklch(97% 0.003 106.4)

  2. Step 100

    100

    #EAEAE5

    oklch(93.6% 0.007 106.5)

  3. Step 200

    200

    #DADAD1

    oklch(88.6% 0.012 106.6)

  4. Step 300

    300

    #C2C2B2

    oklch(81% 0.022 106.9)

  5. Step 400

    400

    #A2A38A

    oklch(70.8% 0.035 109.1)

  6. Step 500

    500

    #8C8C6D

    oklch(63.2% 0.044 107.6)

  7. Step 600

    600

    #767655

    oklch(55.7% 0.048 107.9)

  8. Step 700

    700

    #636345

    oklch(49.1% 0.045 107.9)

  9. Step 800

    800

    #515139

    oklch(42.8% 0.037 107.9)

  10. Step 900

    900

    #434331

    oklch(37.7% 0.029 107.7)

  11. Step 950

    950 (this color)

    #212117

    oklch(24.4% 0.018 107.7)

Export this scale for Tailwind in the Tailwind colors tool

#212117 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)#2320160.005
Deuteranopia (no green cones)#2321170.004
Tritanopia (no blue cones)#22201E0.015
Achromatopsia (no color)#2020200.018

Harmonies

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

Complementary

The opposite hue (180°).

  • #212117

    #212117

    oklch(24.4% 0.018 107.7)

  • #201F29

    #201F29

    oklch(24.5% 0.019 289.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #212117

    #212117

    oklch(24.4% 0.018 107.7)

  • #251F17

    #251F17

    oklch(24.4% 0.017 74.8)

  • #1C221A

    #1C221A

    oklch(24.3% 0.017 137.9)

Open the analogous palette in the generator

Split complementary

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

  • #212117

    #212117

    oklch(24.4% 0.018 107.7)

  • #1B2129

    #1B2129

    oklch(24.5% 0.018 255.7)

  • #241E26

    #241E26

    oklch(24.5% 0.017 317.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #212117

    #212117

    oklch(24.4% 0.018 107.7)

  • #172227

    #172227

    oklch(24.4% 0.018 227.6)

  • #271D22

    #271D22

    oklch(24.5% 0.018 347)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #212117

    #212117

    oklch(24.4% 0.018 107.7)

  • #162323

    #162323

    oklch(24.4% 0.018 196)

  • #201F29

    #201F29

    oklch(24.5% 0.019 289.5)

  • #281D1D

    #281D1D

    oklch(24.4% 0.017 18.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #212117, closest first.

Similar named colors

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

Use #212117 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.