#182D27

Closest named color: Jet (#212529). oklch(27.7% 0.029 173.9), rgb(24, 45, 39).

Aa

White text reads best on this color (14.54:1).

About this color

#182D27 is a dark close to neutral grey. In OKLCH its lightness is 28%, its chroma 0.029. 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 14.54:1.

Hue familyNeutrals
Lightnessdark (28%)
Chromaclose to neutral grey (0.029)
Temperatureneutral
Nearest nameJet (#212529)
Black text1.44:1
White text14.54:1

Values

HEX#182D27
RGBrgb(24, 45, 39)
HSLhsl(163, 30%, 14%)
OKLCHoklch(27.7% 0.029 173.9)

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 #182D27 14.54:1 AAA Lc -104.2 Preferred for body text
Black text on #182D27 1.44:1 Fails Lc 0.0 Not readable
#182D27 text on white 14.54:1 AAA Lc 101.3 Preferred for body text
#182D27 text on black 1.44:1 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

    #F2F6F5

    oklch(97% 0.004 179.7)

  2. Step 100

    100

    #E3ECE9

    oklch(93.5% 0.01 174.3)

  3. Step 200

    200

    #CDDED8

    oklch(88.6% 0.02 172.7)

  4. Step 300

    300

    #AAC8BF

    oklch(80.8% 0.035 175.4)

  5. Step 400

    400

    #7CAC9E

    oklch(70.6% 0.055 174.7)

  6. Step 500

    500

    #599886

    oklch(63.2% 0.071 173.6)

  7. Step 600

    600

    #3B8270

    oklch(55.6% 0.077 174.4)

  8. Step 700

    700

    #2D6E5D

    oklch(49.1% 0.072 173.4)

  9. Step 800

    800

    #275A4C

    oklch(42.8% 0.06 172.9)

  10. Step 900

    900

    #254A40

    oklch(37.8% 0.046 174.2)

  11. Step 950

    950 (this color)

    #182D27

    oklch(27.7% 0.029 173.9)

Export this scale for Tailwind in the Tailwind colors tool

#182D27 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)#2C2B270.031
Deuteranopia (no green cones)#2828270.029
Tritanopia (no blue cones)#122D2B0.009
Achromatopsia (no color)#2929290.030

Harmonies

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

Complementary

The opposite hue (180°).

  • #182D27

    #182D27

    oklch(27.7% 0.029 173.9)

  • #342229

    #342229

    oklch(27.7% 0.03 354.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #182D27

    #182D27

    oklch(27.7% 0.029 173.9)

  • #1F2C1F

    #1F2C1F

    oklch(27.7% 0.03 144.7)

  • #152C2F

    #152C2F

    oklch(27.6% 0.029 206.4)

Open the analogous palette in the generator

Split complementary

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

  • #182D27

    #182D27

    oklch(27.7% 0.029 173.9)

  • #2F2330

    #2F2330

    oklch(27.6% 0.029 323.8)

  • #352321

    #352321

    oklch(27.8% 0.028 26.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #182D27

    #182D27

    oklch(27.7% 0.029 173.9)

  • #292535

    #292535

    oklch(27.6% 0.03 295.9)

  • #34241A

    #34241A

    oklch(27.7% 0.03 53.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #182D27

    #182D27

    oklch(27.7% 0.029 173.9)

  • #212837

    #212837

    oklch(27.7% 0.03 265.1)

  • #342229

    #342229

    oklch(27.7% 0.03 354.2)

  • #2F2717

    #2F2717

    oklch(27.7% 0.03 84.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #182D27, closest first.

Similar named colors

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

Use #182D27 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.