#152B5B#152B5B

#152B5B is a dark, moderate blue. Relative luminance 0.026; OKLCH L 30.1% C 0.091 H 263.4°. Best body text is #FFFFFF at 13.74:1 contrast (WCAG AA passes).

Color values

HEX	#152B5B
RGB	rgb(21, 43, 91)
HSL	hsl(221, 63%, 22%)
HSV	hsv(221, 77%, 36%)
CMYK	cmyk(76.9%, 52.7%, 0%, 64.3%)
CIE-LAB	lab(18.55, 10.15, -31.40)
CIE-LCH	lch(18.55, 33.00, 287.92°)
OKLab	oklab(30.13% -0.0104 -0.0901)
OKLCH	oklch(30.13% 0.091 263.4)
XYZ	xyz(3.0608, 2.6422, 10.2442)
Luminance	0.0264 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#152B5B #5B4515

analogous

#154E5B #152B5B #22155B

triadic

#152B5B #5B152B #2B5B15

tetradic

#152B5B #5B154E #5B4515 #155B22

square

#152B5B #5B154E #5B4515 #155B22

split-complementary

#152B5B #5B2215 #4E5B15

monochromatic

#060C19 #0A1429 #152B5B #20428D #2C5ABE

Accessibility & contrast

On white

13.74

#152B5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#152B5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #152B5B

13.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##152B5B	#FFFFFF	#000000	##FFFFFF
##152B5B	1.00	13.74	1.53	13.74
#FFFFFF	13.74	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#10315D

Deuteranopia (green-blind)

#002A5A

Tritanopia (blue-blind)

#00363E

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #152b5b;
/* rgb */ color: rgb(21, 43, 91);
/* oklch */ color: oklch(30.1% 0.091 263.4);

Tailwind

colors: {
  custom: {
    50: '#5d638a',
    500: '#152b5b',
    950: '#000000',
  },
}

SCSS

$custom: #152b5b;
$custom-light: #5d638a;
$custom-dark: #000000;

JSON

{
  "hex": "#152b5b",
  "rgb": {
    "r": 21,
    "g": 43,
    "b": 91
  },
  "hsl": {
    "h": 221.143,
    "s": 62.5,
    "l": 21.961
  },
  "oklch": {
    "l": 0.30133,
    "c": 0.09072,
    "h": 263.4
  },
  "luminance": 0.02643
}

Semantic roles & 50–950 ramp

primary

#152B5B

secondary

#927639

accent

#B242E6

background

#F5F5F8

surface

#E9EAF0

border

#C5C6CB

text

#05050C

muted

#79797D

Preview Lab

Preview with #152B5B

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

Preview Lab → · Contrast checker → · Palette generator →