#152F5B#152F5B

#152F5B is a dark, moderate blue. Relative luminance 0.029; OKLCH L 31.1% C 0.085 H 260.2°. Best body text is #FFFFFF at 13.21:1 contrast (WCAG AA passes).

Color values

HEX	#152F5B
RGB	rgb(21, 47, 91)
HSL	hsl(218, 63%, 22%)
HSV	hsv(218, 77%, 36%)
CMYK	cmyk(76.9%, 48.4%, 0%, 64.3%)
CIE-LAB	lab(19.83, 7.23, -29.34)
CIE-LCH	lch(19.83, 30.21, 283.84°)
OKLab	oklab(31.12% -0.0144 -0.084)
OKLCH	oklch(31.12% 0.085 260.2)
XYZ	xyz(3.2134, 2.9474, 10.2951)
Luminance	0.0295 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#152F5B #5B4115

analogous

#15525B #152F5B #1E155B

triadic

#152F5B #5B152F #2F5B15

tetradic

#152F5B #5B1552 #5B4115 #155B1E

square

#152F5B #5B1552 #5B4115 #155B1E

split-complementary

#152F5B #5B1E15 #525B15

monochromatic

#060D19 #0A1529 #152F5B #20498D #2C62BE

Accessibility & contrast

On white

13.21

#152F5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#152F5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #152F5B

13.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##152F5B	#FFFFFF	#000000	##FFFFFF
##152F5B	1.00	13.21	1.59	13.21
#FFFFFF	13.21	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19335D

Deuteranopia (green-blind)

#0B2D5A

Tritanopia (blue-blind)

#003940

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #152f5b;
/* rgb */ color: rgb(21, 47, 91);
/* oklch */ color: oklch(31.1% 0.085 260.2);

Tailwind

colors: {
  custom: {
    50: '#5d678a',
    500: '#152f5b',
    950: '#000000',
  },
}

SCSS

$custom: #152f5b;
$custom-light: #5d678a;
$custom-dark: #000000;

JSON

{
  "hex": "#152f5b",
  "rgb": {
    "r": 21,
    "g": 47,
    "b": 91
  },
  "hsl": {
    "h": 217.714,
    "s": 62.5,
    "l": 21.961
  },
  "oklch": {
    "l": 0.31117,
    "c": 0.08521,
    "h": 260.2
  },
  "luminance": 0.02948
}

Semantic roles & 50–950 ramp

primary

#152F5B

secondary

#927139

accent

#A942E6

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#05060B

muted

#797A7C

Preview Lab

Preview with #152F5B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →