#212017

Closest named color: Jet (#212529). oklch(24.2% 0.016 102.3), rgb(33, 32, 23).

Aa

White text reads best on this color (16.35:1).

About this color

#212017 is a very dark close to neutral grey. In OKLCH its lightness is 24%, its chroma 0.016. 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 16.35:1.

Hue familyNeutrals
Lightnessvery dark (24%)
Chromaclose to neutral grey (0.016)
Temperatureneutral
Nearest nameJet (#212529)
Black text1.28:1
White text16.35:1

Values

HEX#212017
RGBrgb(33, 32, 23)
HSLhsl(54, 18%, 11%)
OKLCHoklch(24.2% 0.016 102.3)

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 #212017 16.35:1 AAA Lc -105.8 Preferred for body text
Black text on #212017 1.28:1 Fails Lc 0.0 Not readable
#212017 text on white 16.35:1 AAA Lc 103.3 Preferred for body text
#212017 text on black 1.28:1 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

    #F6F5F3

    oklch(97% 0.003 84.6)

  2. Step 100

    100

    #EAEAE6

    oklch(93.6% 0.005 106.5)

  3. Step 200

    200

    #DAD9D1

    oklch(88.4% 0.011 100.8)

  4. Step 300

    300

    #C3C1B3

    oklch(80.9% 0.019 100.2)

  5. Step 400

    400

    #A4A28C

    oklch(70.8% 0.031 102.9)

  6. Step 500

    500

    #8E8B6F

    oklch(63.2% 0.04 102.4)

  7. Step 600

    600

    #787557

    oklch(55.7% 0.044 102.9)

  8. Step 700

    700

    #656247

    oklch(49.1% 0.041 102.4)

  9. Step 800

    800

    #52503B

    oklch(42.7% 0.033 103.1)

  10. Step 900

    900

    #444232

    oklch(37.6% 0.026 101.6)

  11. Step 950

    950 (this color)

    #212017

    oklch(24.2% 0.016 102.3)

Export this scale for Tailwind in the Tailwind colors tool

#212017 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)#221F160.004
Deuteranopia (no green cones)#2220170.002
Tritanopia (no blue cones)#231F1E0.015
Achromatopsia (no color)#2020200.017

Harmonies

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

Complementary

The opposite hue (180°).

  • #212017

    #212017

    oklch(24.2% 0.016 102.3)

  • #1E1F27

    #1E1F27

    oklch(24.2% 0.015 279.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #212017

    #212017

    oklch(24.2% 0.016 102.3)

  • #251E17

    #251E17

    oklch(24.1% 0.017 66.9)

  • #1D2119

    #1D2119

    oklch(24.1% 0.016 129.2)

Open the analogous palette in the generator

Split complementary

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

  • #212017

    #212017

    oklch(24.2% 0.016 102.3)

  • #1A2027

    #1A2027

    oklch(24.1% 0.016 252.4)

  • #221D25

    #221D25

    oklch(24% 0.017 312.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #212017

    #212017

    oklch(24.2% 0.016 102.3)

  • #172125

    #172125

    oklch(24% 0.016 224.4)

  • #251D22

    #251D22

    oklch(24.2% 0.015 340.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #212017

    #212017

    oklch(24.2% 0.016 102.3)

  • #162222

    #162222

    oklch(24.1% 0.017 196.1)

  • #1E1F27

    #1E1F27

    oklch(24.2% 0.015 279.6)

  • #271C1D

    #271C1D

    oklch(24% 0.017 12.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #212017, closest first.

Similar named colors

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

Use #212017 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.