#222D37

Closest named color: Gunmetal (#293241). oklch(29.1% 0.024 246.2), rgb(34, 45, 55).

Aa

White text reads best on this color (14.01:1).

About this color

#222D37 is a dark close to neutral grey. In OKLCH its lightness is 29%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Gunmetal (#293241), ΔE 0.026 away. White text reads best on it, at 14.01:1.

Hue familyNeutrals
Lightnessdark (29%)
Chromaclose to neutral grey (0.024)
Temperatureneutral
Nearest nameGunmetal (#293241)
Black text1.49:1
White text14.01:1

Values

HEX#222D37
RGBrgb(34, 45, 55)
HSLhsl(209, 24%, 17%)
OKLCHoklch(29.1% 0.024 246.2)

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 #222D37 14.01:1 AAA Lc -103.7 Preferred for body text
Black text on #222D37 1.49:1 Fails Lc 0.0 Not readable
#222D37 text on white 14.01:1 AAA Lc 100.7 Preferred for body text
#222D37 text on black 1.49:1 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

    #F3F6F8

    oklch(97.1% 0.004 236.5)

  2. Step 100

    100

    #E6EAEF

    oklch(93.5% 0.008 253.9)

  3. Step 200

    200

    #D1DAE3

    oklch(88.4% 0.016 248)

  4. Step 300

    300

    #B2C3D2

    oklch(80.9% 0.028 244.8)

  5. Step 400

    400

    #8AA4BC

    oklch(70.7% 0.046 246.3)

  6. Step 500

    500

    #6D8DAB

    oklch(63% 0.058 247.1)

  7. Step 600

    600

    #547796

    oklch(55.5% 0.063 246)

  8. Step 700

    700

    #456480

    oklch(49.1% 0.058 246.6)

  9. Step 800

    800

    #395268

    oklch(42.8% 0.048 245.8)

  10. Step 900

    900

    #314455

    oklch(37.8% 0.038 246)

  11. Step 950

    950 (this color)

    #222D37

    oklch(29.1% 0.024 246.2)

Export this scale for Tailwind in the Tailwind colors tool

#222D37 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)#292D370.011
Deuteranopia (no green cones)#262B370.009
Tritanopia (no blue cones)#1B2F300.020
Achromatopsia (no color)#2C2C2C0.024

Harmonies

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

Complementary

The opposite hue (180°).

  • #222D37

    #222D37

    oklch(29.1% 0.024 246.2)

  • #34291F

    #34291F

    oklch(29% 0.024 63.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #222D37

    #222D37

    oklch(29.1% 0.024 246.2)

  • #1E2F33

    #1E2F33

    oklch(29.2% 0.024 214)

  • #282B38

    #282B38

    oklch(29.2% 0.024 274.7)

Open the analogous palette in the generator

Split complementary

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

  • #222D37

    #222D37

    oklch(29.1% 0.024 246.2)

  • #372823

    #372823

    oklch(29.3% 0.024 39.2)

  • #2F2C1E

    #2F2C1E

    oklch(29.2% 0.024 97.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #222D37

    #222D37

    oklch(29.1% 0.024 246.2)

  • #36272A

    #36272A

    oklch(29.1% 0.023 5.3)

  • #292E21

    #292E21

    oklch(29.2% 0.024 124.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #222D37

    #222D37

    oklch(29.1% 0.024 246.2)

  • #342730

    #342730

    oklch(29.1% 0.025 337.7)

  • #34291F

    #34291F

    oklch(29% 0.024 63.9)

  • #222F27

    #222F27

    oklch(29% 0.023 157.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #222D37, closest first.

Similar named colors

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

Use #222D37 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.