#211719

Closest named color: Rich Black (#0D1B2A). oklch(21.8% 0.017 5.2), rgb(33, 23, 25).

Aa

White text reads best on this color (17.48:1).

About this color

#211719 is a very dark close to neutral grey. In OKLCH its lightness is 22%, its chroma 0.017. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.045 away. White text reads best on it, at 17.48:1.

Hue familyNeutrals
Lightnessvery dark (22%)
Chromaclose to neutral grey (0.017)
Temperatureneutral
Nearest nameRich Black (#0D1B2A)
Black text1.20:1
White text17.48:1

Values

HEX#211719
RGBrgb(33, 23, 25)
HSLhsl(348, 18%, 11%)
OKLCHoklch(21.8% 0.017 5.2)

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 #211719 17.48:1 AAA Lc -106.6 Preferred for body text
Black text on #211719 1.20:1 Fails Lc 0.0 Not readable
#211719 text on white 17.48:1 AAA Lc 104.3 Preferred for body text
#211719 text on black 1.20:1 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

    #F7F5F5

    oklch(97.2% 0.002 17.2)

  2. Step 100

    100

    #EDE8E9

    oklch(93.5% 0.006 3.3)

  3. Step 200

    200

    #E0D6D8

    oklch(88.5% 0.011 3.5)

  4. Step 300

    300

    #CDBCBF

    oklch(81% 0.02 5.4)

  5. Step 400

    400

    #B3999E

    oklch(70.8% 0.032 4.9)

  6. Step 500

    500

    #A08086

    oklch(63.2% 0.04 5.7)

  7. Step 600

    600

    #8A6970

    oklch(55.6% 0.043 4.4)

  8. Step 700

    700

    #75575D

    oklch(49% 0.041 5.4)

  9. Step 800

    800

    #5F484C

    oklch(42.7% 0.032 6.9)

  10. Step 900

    900

    #4E3C40

    oklch(37.7% 0.026 3.5)

  11. Step 950

    950 (this color)

    #211719

    oklch(21.8% 0.017 5.2)

Export this scale for Tailwind in the Tailwind colors tool

#211719 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)#1819190.019
Deuteranopia (no green cones)#1B1A190.016
Tritanopia (no blue cones)#2316180.005
Achromatopsia (no color)#1A1A1A0.017

Harmonies

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

Complementary

The opposite hue (180°).

  • #211719

    #211719

    oklch(21.8% 0.017 5.2)

  • #111D1B

    #111D1B

    oklch(21.9% 0.017 183.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #211719

    #211719

    oklch(21.8% 0.017 5.2)

  • #1F171D

    #1F171D

    oklch(21.7% 0.017 335.1)

  • #211715

    #211715

    oklch(21.7% 0.017 31.4)

Open the analogous palette in the generator

Split complementary

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

  • #211719

    #211719

    oklch(21.8% 0.017 5.2)

  • #141C17

    #141C17

    oklch(21.7% 0.015 157.4)

  • #111C1F

    #111C1F

    oklch(21.7% 0.017 216.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #211719

    #211719

    oklch(21.8% 0.017 5.2)

  • #181C13

    #181C13

    oklch(21.9% 0.018 127.3)

  • #141B21

    #141B21

    oklch(21.8% 0.016 244.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #211719

    #211719

    oklch(21.8% 0.017 5.2)

  • #1C1A11

    #1C1A11

    oklch(21.7% 0.017 97)

  • #111D1B

    #111D1B

    oklch(21.9% 0.017 183.2)

  • #181A22

    #181A22

    oklch(21.9% 0.016 274)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #211719, closest first.

Similar named colors

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

Use #211719 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.