#15255D#15255D

#15255D is a dark, moderate blue. Relative luminance 0.023; OKLCH L 28.9% C 0.102 H 267.5°. Best body text is #FFFFFF at 14.44:1 contrast (WCAG AA passes).

Color values

HEX	#15255D
RGB	rgb(21, 37, 93)
HSL	hsl(227, 63%, 22%)
HSV	hsv(227, 77%, 36%)
CMYK	cmyk(77.4%, 60.2%, 0%, 63.5%)
CIE-LAB	lab(16.86, 15.43, -35.46)
CIE-LCH	lch(16.86, 38.67, 293.52°)
OKLab	oklab(28.9% -0.0045 -0.1022)
OKLCH	oklch(28.9% 0.102 267.5)
XYZ	xyz(2.9459, 2.2726, 10.6372)
Luminance	0.0227 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15255D #5D4D15

analogous

#15495D #15255D #29155D

triadic

#15255D #5D1525 #255D15

tetradic

#15255D #5D1549 #5D4D15 #155D29

square

#15255D #5D1549 #5D4D15 #155D29

split-complementary

#15255D #5D2915 #495D15

monochromatic

#060A19 #0A112B #15255D #20398F #2C4DC1

Accessibility & contrast

On white

14.44

#15255D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#15255D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15255D

14.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15255D	#FFFFFF	#000000	##FFFFFF
##15255D	1.00	14.44	1.45	14.44
#FFFFFF	14.44	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D5F

Deuteranopia (green-blind)

#00265C

Tritanopia (blue-blind)

#00333D

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #15255d;
/* rgb */ color: rgb(21, 37, 93);
/* oklch */ color: oklch(28.9% 0.102 267.5);

Tailwind

colors: {
  custom: {
    50: '#5e5f8b',
    500: '#15255d',
    950: '#000000',
  },
}

SCSS

$custom: #15255d;
$custom-light: #5e5f8b;
$custom-dark: #000000;

JSON

{
  "hex": "#15255d",
  "rgb": {
    "r": 21,
    "g": 37,
    "b": 93
  },
  "hsl": {
    "h": 226.667,
    "s": 63.158,
    "l": 22.353
  },
  "oklch": {
    "l": 0.28901,
    "c": 0.1023,
    "h": 267.5
  },
  "luminance": 0.02273
}

Semantic roles & 50–950 ramp

primary

#15255D

secondary

#948039

accent

#C242E6

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #15255D

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

Preview Lab → · Contrast checker → · Palette generator →