#182D34

Closest named color: Jet (#212529). oklch(28.3% 0.03 221.3), rgb(24, 45, 52).

Aa

White text reads best on this color (14.34:1).

About this color

#182D34 is a dark close to neutral grey. In OKLCH its lightness is 28%, its chroma 0.030. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.030 away. White text reads best on it, at 14.34:1.

Hue familyNeutrals
Lightnessdark (28%)
Chromaclose to neutral grey (0.030)
Temperatureneutral
Nearest nameJet (#212529)
Black text1.46:1
White text14.34:1

Values

HEX#182D34
RGBrgb(24, 45, 52)
HSLhsl(195, 37%, 15%)
OKLCHoklch(28.3% 0.03 221.3)

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 #182D34 14.34:1 AAA Lc -104.0 Preferred for body text
Black text on #182D34 1.46:1 Fails Lc 0.0 Not readable
#182D34 text on white 14.34:1 AAA Lc 101.0 Preferred for body text
#182D34 text on black 1.46:1 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

    #F2F6F8

    oklch(97.1% 0.005 228.8)

  2. Step 100

    100

    #E3ECEF

    oklch(93.7% 0.01 219.6)

  3. Step 200

    200

    #CCDCE2

    oklch(88.4% 0.019 222.2)

  4. Step 300

    300

    #A9C6D1

    oklch(80.9% 0.035 222.7)

  5. Step 400

    400

    #79A9BA

    oklch(70.7% 0.057 221.9)

  6. Step 500

    500

    #5494A8

    oklch(63.1% 0.072 220.2)

  7. Step 600

    600

    #367E94

    oklch(55.7% 0.079 221.1)

  8. Step 700

    700

    #286A7E

    oklch(49.1% 0.073 221.3)

  9. Step 800

    800

    #235666

    oklch(42.6% 0.06 221.6)

  10. Step 900

    900

    #224753

    oklch(37.6% 0.047 221.5)

  11. Step 950

    950 (this color)

    #182D34

    oklch(28.3% 0.03 221.3)

Export this scale for Tailwind in the Tailwind colors tool

#182D34 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)#292C340.025
Deuteranopia (no green cones)#2529340.022
Tritanopia (no blue cones)#0B2F2F0.019
Achromatopsia (no color)#2A2A2A0.030

Harmonies

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

Complementary

The opposite hue (180°).

  • #182D34

    #182D34

    oklch(28.3% 0.03 221.3)

  • #36251E

    #36251E

    oklch(28.3% 0.029 43.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #182D34

    #182D34

    oklch(28.3% 0.03 221.3)

  • #172E2D

    #172E2D

    oklch(28.2% 0.029 192)

  • #1F2B38

    #1F2B38

    oklch(28.4% 0.029 250.9)

Open the analogous palette in the generator

Split complementary

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

  • #182D34

    #182D34

    oklch(28.3% 0.03 221.3)

  • #372326

    #372326

    oklch(28.2% 0.031 9.4)

  • #332719

    #332719

    oklch(28.2% 0.03 70.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #182D34

    #182D34

    oklch(28.3% 0.03 221.3)

  • #34242E

    #34242E

    oklch(28.3% 0.029 341.2)

  • #2D2A19

    #2D2A19

    oklch(28.3% 0.029 99.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #182D34

    #182D34

    oklch(28.3% 0.03 221.3)

  • #2E2534

    #2E2534

    oklch(28.1% 0.03 311.6)

  • #36251E

    #36251E

    oklch(28.3% 0.029 43.3)

  • #242D1D

    #242D1D

    oklch(28.3% 0.031 132)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #182D34, closest first.

Similar named colors

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

Use #182D34 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.