#15255B#15255B

#15255B is a dark, moderate blue. Relative luminance 0.022; OKLCH L 28.7% C 0.099 H 267.3°. Best body text is #FFFFFF at 14.51:1 contrast (WCAG AA passes).

Color values

HEX	#15255B
RGB	rgb(21, 37, 91)
HSL	hsl(226, 63%, 22%)
HSV	hsv(226, 77%, 36%)
CMYK	cmyk(76.9%, 59.3%, 0%, 64.3%)
CIE-LAB	lab(16.69, 14.59, -34.41)
CIE-LCH	lch(16.69, 37.37, 292.99°)
OKLab	oklab(28.72% -0.0046 -0.0991)
OKLCH	oklch(28.72% 0.099 267.3)
XYZ	xyz(2.8585, 2.2376, 10.1768)
Luminance	0.0224 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15255B #5B4B15

analogous

#15485B #15255B #28155B

triadic

#15255B #5B1525 #255B15

tetradic

#15255B #5B1548 #5B4B15 #155B28

square

#15255B #5B1548 #5B4B15 #155B28

split-complementary

#15255B #5B2815 #485B15

monochromatic

#060A19 #0A1129 #15255B #20398D #2C4DBE

Accessibility & contrast

On white

14.51

#15255B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#15255B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15255B

14.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15255B	#FFFFFF	#000000	##FFFFFF
##15255B	1.00	14.51	1.45	14.51
#FFFFFF	14.51	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D5D

Deuteranopia (green-blind)

#00265A

Tritanopia (blue-blind)

#00323C

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #15255b;
/* rgb */ color: rgb(21, 37, 91);
/* oklch */ color: oklch(28.7% 0.099 267.3);

Tailwind

colors: {
  custom: {
    50: '#5d5f8a',
    500: '#15255b',
    950: '#000000',
  },
}

SCSS

$custom: #15255b;
$custom-light: #5d5f8a;
$custom-dark: #000000;

JSON

{
  "hex": "#15255b",
  "rgb": {
    "r": 21,
    "g": 37,
    "b": 91
  },
  "hsl": {
    "h": 226.286,
    "s": 62.5,
    "l": 21.961
  },
  "oklch": {
    "l": 0.2872,
    "c": 0.0992,
    "h": 267.3
  },
  "luminance": 0.02238
}

Semantic roles & 50–950 ramp

primary

#15255B

secondary

#927E39

accent

#C042E6

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #15255B

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

Preview Lab → · Contrast checker → · Palette generator →