#153442

Closest named color: Gunmetal (#293241). oklch(30.8% 0.044 230), rgb(21, 52, 66).

Aa

White text reads best on this color (13.11:1).

About this color

#153442 is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.044 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.025 away. White text reads best on it, at 13.11:1.

Hue familyBlues
Lightnessdark (31%)
Chromamuted (0.044)
Temperaturecool
Nearest nameGunmetal (#293241)
Black text1.60:1
White text13.11:1

Values

HEX#153442
RGBrgb(21, 52, 66)
HSLhsl(199, 52%, 17%)
OKLCHoklch(30.8% 0.044 230)

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 #153442 13.11:1 AAA Lc -102.5 Preferred for body text
Black text on #153442 1.60:1 Fails Lc 0.0 Not readable
#153442 text on white 13.11:1 AAA Lc 99.3 Preferred for body text
#153442 text on black 1.60:1 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

    #F1F6F9

    oklch(97% 0.007 233.6)

  2. Step 100

    100

    #E0ECF2

    oklch(93.6% 0.015 229)

  3. Step 200

    200

    #C6DDE9

    oklch(88.4% 0.03 230.3)

  4. Step 300

    300

    #9EC8DC

    oklch(80.9% 0.053 228.6)

  5. Step 400

    400

    #66ABCB

    oklch(70.8% 0.084 229.5)

  6. Step 500

    500

    #3395BE

    oklch(63.1% 0.108 230.1)

  7. Step 600

    600

    #007EA7

    oklch(55.5% 0.111 230)

  8. Step 700

    700

    #006A8D

    oklch(49.1% 0.098 229.8)

  9. Step 800

    800

    #005774

    oklch(42.7% 0.085 229.4)

  10. Step 900

    900

    #0B485F

    oklch(37.7% 0.069 229.5)

  11. Step 950

    950 (this color)

    #153442

    oklch(30.8% 0.044 230)

Export this scale for Tailwind in the Tailwind colors tool

#153442 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)#2D33430.031
Deuteranopia (no green cones)#272E420.029
Tritanopia (no blue cones)#0038390.029
Achromatopsia (no color)#3030300.044

Harmonies

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

Complementary

The opposite hue (180°).

  • #153442

    #153442

    oklch(30.8% 0.044 230)

  • #42291B

    #42291B

    oklch(30.8% 0.044 49.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #153442

    #153442

    oklch(30.8% 0.044 230)

  • #0E3739

    #0E3739

    oklch(31% 0.044 199.7)

  • #233046

    #233046

    oklch(30.8% 0.044 260.6)

Open the analogous palette in the generator

Split complementary

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

  • #153442

    #153442

    oklch(30.8% 0.044 230)

  • #442726

    #442726

    oklch(31% 0.044 22.1)

  • #3C2D14

    #3C2D14

    oklch(30.8% 0.045 78.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #153442

    #153442

    oklch(30.8% 0.044 230)

  • #412633

    #412633

    oklch(30.8% 0.045 349.8)

  • #313216

    #313216

    oklch(30.9% 0.045 110.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #153442

    #153442

    oklch(30.8% 0.044 230)

  • #3A283E

    #3A283E

    oklch(30.8% 0.046 320.2)

  • #42291B

    #42291B

    oklch(30.8% 0.044 49.8)

  • #243520

    #243520

    oklch(30.7% 0.043 139.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #153442, closest first.

Similar named colors

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

Use #153442 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.