#152A58

Closest named color: Marine (#042E60). oklch(29.6% 0.087 263.5), rgb(21, 42, 88).

Aa

White text reads best on this color (13.96:1).

About this color

#152A58 is a dark, moderately saturated blue. In OKLCH its lightness is 30%, its chroma 0.087 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.020 away. White text reads best on it, at 13.96:1.

Hue familyBlues
Lightnessdark (30%)
Chromamoderately saturated (0.087)
Temperaturecool
Nearest nameMarine (#042E60)
Black text1.50:1
White text13.96:1

Values

HEX#152A58
RGBrgb(21, 42, 88)
HSLhsl(221, 61%, 21%)
OKLCHoklch(29.6% 0.087 263.5)

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 #152A58 13.96:1 AAA Lc -103.4 Preferred for body text
Black text on #152A58 1.50:1 Fails Lc 0.0 Not readable
#152A58 text on white 13.96:1 AAA Lc 100.4 Preferred for body text
#152A58 text on black 1.50:1 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

    #C6DAFF

    oklch(88.5% 0.056 262.8)

  4. Step 300

    300

    #A1C1FF

    oklch(81% 0.095 263.3)

  5. Step 400

    400

    #6E9DFF

    oklch(70.6% 0.153 263.6)

  6. Step 500

    500

    #4881FF

    oklch(63.2% 0.197 263.5)

  7. Step 600

    600

    #2563F7

    oklch(55.6% 0.23 263.5)

  8. Step 700

    700

    #1A50D7

    oklch(49% 0.214 263.7)

  9. Step 800

    800

    #1743AE

    oklch(42.7% 0.177 263.6)

  10. Step 900

    900

    #183A89

    oklch(37.6% 0.138 263.6)

  11. Step 950

    950 (this color)

    #152A58

    oklch(29.6% 0.087 263.5)

Export this scale for Tailwind in the Tailwind colors tool

#152A58 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)#112F5A0.015
Deuteranopia (no green cones)#0129570.018
Tritanopia (no blue cones)#00353C0.071
Achromatopsia (no color)#2C2C2C0.087

Harmonies

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

Complementary

The opposite hue (180°).

  • #152A58

    #152A58

    oklch(29.6% 0.087 263.5)

  • #3B2A00

    #3B2A00

    oklch(29.7% 0.061 84.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #152A58

    #152A58

    oklch(29.6% 0.087 263.5)

  • #003147

    #003147

    oklch(29.5% 0.062 234.6)

  • #302254

    #302254

    oklch(29.7% 0.087 293.3)

Open the analogous palette in the generator

Split complementary

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

  • #152A58

    #152A58

    oklch(29.6% 0.087 263.5)

  • #492000

    #492000

    oklch(29.7% 0.075 53.1)

  • #2D3000

    #2D3000

    oklch(29.6% 0.066 113.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #152A58

    #152A58

    oklch(29.6% 0.087 263.5)

  • #501617

    #501617

    oklch(29.7% 0.087 23.2)

  • #08370A

    #08370A

    oklch(29.5% 0.087 143.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #152A58

    #152A58

    oklch(29.6% 0.087 263.5)

  • #4C1630

    #4C1630

    oklch(29.7% 0.087 353.9)

  • #3B2A00

    #3B2A00

    oklch(29.7% 0.061 84.8)

  • #00362A

    #00362A

    oklch(29.7% 0.057 172.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #152A58, closest first.

Similar named colors

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

Use #152A58 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.