#152B5F#152B5F

#152B5F is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.5% C 0.097 H 264.2°. Best body text is #FFFFFF at 13.61:1 contrast (WCAG AA passes).

Color values

HEX	#152B5F
RGB	rgb(21, 43, 95)
HSL	hsl(222, 64%, 23%)
HSV	hsv(222, 78%, 37%)
CMYK	cmyk(77.9%, 54.7%, 0%, 62.7%)
CIE-LAB	lab(18.86, 11.85, -33.55)
CIE-LCH	lch(18.86, 35.58, 289.45°)
OKLab	oklab(30.46% -0.0098 -0.0965)
OKLCH	oklch(30.46% 0.097 264.2)
XYZ	xyz(3.2380, 2.7131, 11.1773)
Luminance	0.0271 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#152B5F #5F4915

analogous

#15505F #152B5F #24155F

triadic

#152B5F #5F152B #2B5F15

tetradic

#152B5F #5F1550 #5F4915 #155F24

square

#152B5F #5F1550 #5F4915 #155F24

split-complementary

#152B5F #5F2415 #505F15

monochromatic

#060B19 #0A142D #152B5F #204291 #2B58C3

Accessibility & contrast

On white

13.61

#152B5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#152B5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #152B5F

13.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##152B5F	#FFFFFF	#000000	##FFFFFF
##152B5F	1.00	13.61	1.54	13.61
#FFFFFF	13.61	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A3161

Deuteranopia (green-blind)

#002B5E

Tritanopia (blue-blind)

#003740

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #152b5f;
/* rgb */ color: rgb(21, 43, 95);
/* oklch */ color: oklch(30.5% 0.097 264.2);

Tailwind

colors: {
  custom: {
    50: '#5e638d',
    500: '#152b5f',
    950: '#000000',
  },
}

SCSS

$custom: #152b5f;
$custom-light: #5e638d;
$custom-dark: #000000;

JSON

{
  "hex": "#152b5f",
  "rgb": {
    "r": 21,
    "g": 43,
    "b": 95
  },
  "hsl": {
    "h": 222.162,
    "s": 63.793,
    "l": 22.745
  },
  "oklch": {
    "l": 0.30464,
    "c": 0.09696,
    "h": 264.2
  },
  "luminance": 0.02713
}

Semantic roles & 50–950 ramp

primary

#152B5F

secondary

#967B3A

accent

#B641E7

background

#F5F5F8

surface

#EAEAF0

border

#C6C6CB

text

#05050C

muted

#79797D

Preview Lab

Preview with #152B5F

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

Preview Lab → · Contrast checker → · Palette generator →