#153667

Closest named color: Marine Blue (#01386A). oklch(33.8% 0.094 258.4), rgb(21, 54, 103).

Aa

White text reads best on this color (11.96:1).

About this color

#153667 is a dark, moderately saturated blue. In OKLCH its lightness is 34%, its chroma 0.094 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.013 away. White text reads best on it, at 11.96:1.

Hue familyBlues
Lightnessdark (34%)
Chromamoderately saturated (0.094)
Temperaturecool
Nearest nameMarine Blue (#01386A)
Black text1.75:1
White text11.96:1

Values

HEX#153667
RGBrgb(21, 54, 103)
HSLhsl(216, 66%, 24%)
OKLCHoklch(33.8% 0.094 258.4)

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 #153667 11.96:1 AAA Lc -100.7 Preferred for body text
Black text on #153667 1.75:1 Fails Lc 0.0 Not readable
#153667 text on white 11.96:1 AAA Lc 97.1 Preferred for body text
#153667 text on black 1.75:1 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 900.

  1. Step 50

    50

    #F2F6FC

    oklch(97.2% 0.009 258.3)

  2. Step 100

    100

    #E2EBF8

    oklch(93.7% 0.02 257.5)

  3. Step 200

    200

    #CADAF4

    oklch(88.4% 0.04 260.1)

  4. Step 300

    300

    #A5C2EF

    oklch(80.8% 0.071 259.1)

  5. Step 400

    400

    #74A2E7

    oklch(70.8% 0.113 258.3)

  6. Step 500

    500

    #4F89E0

    oklch(63.2% 0.145 258.3)

  7. Step 600

    600

    #3271CD

    oklch(55.6% 0.157 258.2)

  8. Step 700

    700

    #255EB2

    oklch(49.2% 0.146 258.5)

  9. Step 800

    800

    #204D90

    oklch(42.7% 0.121 258.5)

  10. Step 900

    900 (this color)

    #153667

    oklch(33.8% 0.094 258.4)

  11. Step 950

    950

    #132643

    oklch(26.9% 0.06 258.6)

Export this scale for Tailwind in the Tailwind colors tool

#153667 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)#1D3B690.018
Deuteranopia (no green cones)#0C33660.013
Tritanopia (no blue cones)#0042490.075
Achromatopsia (no color)#3737370.094

Harmonies

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

Complementary

The opposite hue (180°).

  • #153667

    #153667

    oklch(33.8% 0.094 258.4)

  • #4B3200

    #4B3200

    oklch(33.8% 0.07 78.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #153667

    #153667

    oklch(33.8% 0.094 258.4)

  • #003D52

    #003D52

    oklch(33.7% 0.066 228.8)

  • #372D64

    #372D64

    oklch(33.9% 0.093 288.8)

Open the analogous palette in the generator

Split complementary

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

  • #153667

    #153667

    oklch(33.8% 0.094 258.4)

  • #5B2500

    #5B2500

    oklch(33.7% 0.091 48.5)

  • #3B3A00

    #3B3A00

    oklch(33.8% 0.073 108.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #153667

    #153667

    oklch(33.8% 0.094 258.4)

  • #5F1E24

    #5F1E24

    oklch(33.8% 0.095 18.4)

  • #1A420A

    #1A420A

    oklch(33.7% 0.095 138.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #153667

    #153667

    oklch(33.8% 0.094 258.4)

  • #591F3F

    #591F3F

    oklch(33.8% 0.094 349.1)

  • #4B3200

    #4B3200

    oklch(33.8% 0.07 78.2)

  • #004231

    #004231

    oklch(33.7% 0.067 169)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #153667, closest first.

Similar named colors

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

Use #153667 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.