#152B5E#152B5E

#152B5E is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.4% C 0.095 H 264.0°. Best body text is #FFFFFF at 13.65:1 contrast (WCAG AA passes).

Color values

HEX	#152B5E
RGB	rgb(21, 43, 94)
HSL	hsl(222, 63%, 23%)
HSV	hsv(222, 78%, 37%)
CMYK	cmyk(77.7%, 54.3%, 0%, 63.1%)
CIE-LAB	lab(18.78, 11.42, -33.01)
CIE-LCH	lch(18.78, 34.93, 289.08°)
OKLab	oklab(30.38% -0.01 -0.0949)
OKLCH	oklch(30.38% 0.095 264)
XYZ	xyz(3.1928, 2.6950, 10.9394)
Luminance	0.0270 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#152B5E #5E4815

analogous

#154F5E #152B5E #24155E

triadic

#152B5E #5E152B #2B5E15

tetradic

#152B5E #5E154F #5E4815 #155E24

square

#152B5E #5E154F #5E4815 #155E24

split-complementary

#152B5E #5E2415 #4F5E15

monochromatic

#060B19 #0A142C #152B5E #204290 #2B59C2

Accessibility & contrast

On white

13.65

#152B5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#152B5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #152B5E

13.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##152B5E	#FFFFFF	#000000	##FFFFFF
##152B5E	1.00	13.65	1.54	13.65
#FFFFFF	13.65	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C3160

Deuteranopia (green-blind)

#002B5D

Tritanopia (blue-blind)

#003740

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #152b5e;
/* rgb */ color: rgb(21, 43, 94);
/* oklch */ color: oklch(30.4% 0.095 264.0);

Tailwind

colors: {
  custom: {
    50: '#5e638c',
    500: '#152b5e',
    950: '#000000',
  },
}

SCSS

$custom: #152b5e;
$custom-light: #5e638c;
$custom-dark: #000000;

JSON

{
  "hex": "#152b5e",
  "rgb": {
    "r": 21,
    "g": 43,
    "b": 94
  },
  "hsl": {
    "h": 221.918,
    "s": 63.478,
    "l": 22.549
  },
  "oklch": {
    "l": 0.3038,
    "c": 0.09541,
    "h": 264
  },
  "luminance": 0.02695
}

Semantic roles & 50–950 ramp

primary

#152B5E

secondary

#957A39

accent

#B541E7

background

#F5F5F8

surface

#EAEAF0

border

#C6C6CB

text

#05050C

muted

#79797D

Preview Lab

Preview with #152B5E

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

Preview Lab → · Contrast checker → · Palette generator →