#152C63

Closest named color: Marine (#042E60). oklch(31% 0.102 264.2), rgb(21, 44, 99).

Aa

White text reads best on this color (13.35:1).

About this color

#152C63 is a dark, moderately saturated blue. In OKLCH its lightness is 31%, its chroma 0.102 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.015 away. White text reads best on it, at 13.35:1.

Hue familyBlues
Lightnessdark (31%)
Chromamoderately saturated (0.102)
Temperaturecool
Nearest nameMarine (#042E60)
Black text1.57:1
White text13.35:1

Values

HEX#152C63
RGBrgb(21, 44, 99)
HSLhsl(222, 65%, 24%)
OKLCHoklch(31% 0.102 264.2)

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 #152C63 13.35:1 AAA Lc -102.7 Preferred for body text
Black text on #152C63 1.57:1 Fails Lc 0.0 Not readable
#152C63 text on white 13.35:1 AAA Lc 99.4 Preferred for body text
#152C63 text on black 1.57:1 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

    #F1F6FF

    oklch(97.2% 0.013 262.4)

  2. Step 100

    100

    #E0EAFF

    oklch(93.6% 0.03 265.3)

  3. Step 200

    200

    #C7DAFF

    oklch(88.6% 0.055 263.7)

  4. Step 300

    300

    #A2C0FF

    oklch(80.9% 0.096 264.7)

  5. Step 400

    400

    #709DFF

    oklch(70.7% 0.152 264.2)

  6. Step 500

    500

    #4A80FF

    oklch(63.1% 0.198 264.2)

  7. Step 600

    600

    #245FFF

    oklch(55.6% 0.245 264.2)

  8. Step 700

    700

    #1147EA

    oklch(49.1% 0.248 264.2)

  9. Step 800

    800

    #103CBD

    oklch(42.7% 0.206 264.3)

  10. Step 900

    900

    #133695

    oklch(37.7% 0.161 264.3)

  11. Step 950

    950 (this color)

    #152C63

    oklch(31% 0.102 264.2)

Export this scale for Tailwind in the Tailwind colors tool

#152C63 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)#0733650.021
Deuteranopia (no green cones)#002C620.016
Tritanopia (no blue cones)#0039430.079
Achromatopsia (no color)#2F2F2F0.102

Harmonies

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

Complementary

The opposite hue (180°).

  • #152C63

    #152C63

    oklch(31% 0.102 264.2)

  • #3F2D00

    #3F2D00

    oklch(31% 0.064 84.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #152C63

    #152C63

    oklch(31% 0.102 264.2)

  • #00354C

    #00354C

    oklch(31% 0.065 234.2)

  • #35225E

    #35225E

    oklch(31.1% 0.102 294.2)

Open the analogous palette in the generator

Split complementary

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

  • #152C63

    #152C63

    oklch(31% 0.102 264.2)

  • #4D2300

    #4D2300

    oklch(30.9% 0.077 54.2)

  • #303400

    #303400

    oklch(31% 0.07 114.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #152C63

    #152C63

    oklch(31% 0.102 264.2)

  • #591315

    #591315

    oklch(31% 0.101 24)

  • #003C07

    #003C07

    oklch(30.9% 0.1 144.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #152C63

    #152C63

    oklch(31% 0.102 264.2)

  • #551334

    #551334

    oklch(31.1% 0.102 354.2)

  • #3F2D00

    #3F2D00

    oklch(31% 0.064 84.6)

  • #003A2E

    #003A2E

    oklch(31.1% 0.059 173.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #152C63, closest first.

Similar named colors

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

Use #152C63 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.