#15255F#15255F

#15255F is a dark, moderate blue. Relative luminance 0.023; OKLCH L 29.1% C 0.105 H 267.6°. Best body text is #FFFFFF at 14.37:1 contrast (WCAG AA passes).

Color values

HEX	#15255F
RGB	rgb(21, 37, 95)
HSL	hsl(227, 64%, 23%)
HSV	hsv(227, 78%, 37%)
CMYK	cmyk(77.9%, 61.1%, 0%, 62.7%)
CIE-LAB	lab(17.03, 16.27, -36.51)
CIE-LCH	lch(17.03, 39.97, 294.02°)
OKLab	oklab(29.08% -0.0044 -0.1053)
OKLCH	oklch(29.08% 0.105 267.6)
XYZ	xyz(3.0357, 2.3085, 11.1098)
Luminance	0.0231 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15255F #5F4F15

analogous

#154A5F #15255F #2A155F

triadic

#15255F #5F1525 #255F15

tetradic

#15255F #5F154A #5F4F15 #155F2A

square

#15255F #5F154A #5F4F15 #155F2A

split-complementary

#15255F #5F2A15 #4A5F15

monochromatic

#060A19 #0A112D #15255F #203991 #2B4CC3

Accessibility & contrast

On white

14.37

#15255F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#15255F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15255F

14.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15255F	#FFFFFF	#000000	##FFFFFF
##15255F	1.00	14.37	1.46	14.37
#FFFFFF	14.37	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D61

Deuteranopia (green-blind)

#00275E

Tritanopia (blue-blind)

#00333E

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #15255f;
/* rgb */ color: rgb(21, 37, 95);
/* oklch */ color: oklch(29.1% 0.105 267.6);

Tailwind

colors: {
  custom: {
    50: '#5e5f8d',
    500: '#15255f',
    950: '#000000',
  },
}

SCSS

$custom: #15255f;
$custom-light: #5e5f8d;
$custom-dark: #000000;

JSON

{
  "hex": "#15255f",
  "rgb": {
    "r": 21,
    "g": 37,
    "b": 95
  },
  "hsl": {
    "h": 227.027,
    "s": 63.793,
    "l": 22.745
  },
  "oklch": {
    "l": 0.29084,
    "c": 0.10537,
    "h": 267.6
  },
  "luminance": 0.02309
}

Semantic roles & 50–950 ramp

primary

#15255F

secondary

#96823A

accent

#C341E7

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #15255F

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

Preview Lab → · Contrast checker → · Palette generator →