#182C29

Closest named color: Jet (#212529). oklch(27.5% 0.027 183.8), rgb(24, 44, 41).

Aa

White text reads best on this color (14.67:1).

About this color

#182C29 is a dark close to neutral grey. In OKLCH its lightness is 27%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.027 away. White text reads best on it, at 14.67:1.

Hue familyNeutrals
Lightnessdark (27%)
Chromaclose to neutral grey (0.027)
Temperatureneutral
Nearest nameJet (#212529)
Black text1.43:1
White text14.67:1

Values

HEX#182C29
RGBrgb(24, 44, 41)
HSLhsl(171, 29%, 13%)
OKLCHoklch(27.5% 0.027 183.8)

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 #182C29 14.67:1 AAA Lc -104.3 Preferred for body text
Black text on #182C29 1.43:1 Fails Lc 0.0 Not readable
#182C29 text on white 14.67:1 AAA Lc 101.4 Preferred for body text
#182C29 text on black 1.43:1 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

    #F2F6F6

    oklch(97% 0.004 197.1)

  2. Step 100

    100

    #E4ECEA

    oklch(93.6% 0.009 179.6)

  3. Step 200

    200

    #CDDDDA

    oklch(88.5% 0.018 183.5)

  4. Step 300

    300

    #ABC8C3

    oklch(81% 0.032 184)

  5. Step 400

    400

    #7DABA4

    oklch(70.6% 0.05 184.5)

  6. Step 500

    500

    #5A968E

    oklch(63% 0.064 184.9)

  7. Step 600

    600

    #3E8178

    oklch(55.7% 0.07 183.9)

  8. Step 700

    700

    #2F6D65

    oklch(49.2% 0.065 184.1)

  9. Step 800

    800

    #285952

    oklch(42.8% 0.055 183.2)

  10. Step 900

    900

    #264944

    oklch(37.7% 0.042 183.9)

  11. Step 950

    950 (this color)

    #182C29

    oklch(27.5% 0.027 183.8)

Export this scale for Tailwind in the Tailwind colors tool

#182C29 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)#2A2A290.028
Deuteranopia (no green cones)#2727290.028
Tritanopia (no blue cones)#112D2B0.008
Achromatopsia (no color)#2828280.027

Harmonies

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

Complementary

The opposite hue (180°).

  • #182C29

    #182C29

    oklch(27.5% 0.027 183.8)

  • #332226

    #332226

    oklch(27.4% 0.027 3.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #182C29

    #182C29

    oklch(27.5% 0.027 183.8)

  • #1D2C22

    #1D2C22

    oklch(27.6% 0.027 155)

  • #182B30

    #182B30

    oklch(27.5% 0.026 216.3)

Open the analogous palette in the generator

Split complementary

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

  • #182C29

    #182C29

    oklch(27.5% 0.027 183.8)

  • #30232D

    #30232D

    oklch(27.6% 0.026 334.6)

  • #34231F

    #34231F

    oklch(27.6% 0.027 33.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #182C29

    #182C29

    oklch(27.5% 0.027 183.8)

  • #2A2432

    #2A2432

    oklch(27.3% 0.027 304.2)

  • #31251A

    #31251A

    oklch(27.5% 0.026 63.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #182C29

    #182C29

    oklch(27.5% 0.027 183.8)

  • #232735

    #232735

    oklch(27.5% 0.027 272.2)

  • #332226

    #332226

    oklch(27.4% 0.027 3.5)

  • #2C2818

    #2C2818

    oklch(27.6% 0.028 95.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #182C29, closest first.

Similar named colors

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

Use #182C29 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.