#15255E#15255E

#15255E is a dark, moderate blue. Relative luminance 0.023; OKLCH L 29.0% C 0.104 H 267.5°. Best body text is #FFFFFF at 14.40:1 contrast (WCAG AA passes).

Color values

HEX	#15255E
RGB	rgb(21, 37, 94)
HSL	hsl(227, 63%, 23%)
HSV	hsv(227, 78%, 37%)
CMYK	cmyk(77.7%, 60.6%, 0%, 63.1%)
CIE-LAB	lab(16.94, 15.85, -35.99)
CIE-LCH	lch(16.94, 39.32, 293.77°)
OKLab	oklab(28.99% -0.0045 -0.1037)
OKLCH	oklch(28.99% 0.104 267.5)
XYZ	xyz(2.9905, 2.2904, 10.8720)
Luminance	0.0229 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15255E #5E4E15

analogous

#154A5E #15255E #29155E

triadic

#15255E #5E1525 #255E15

tetradic

#15255E #5E154A #5E4E15 #155E29

square

#15255E #5E154A #5E4E15 #155E29

split-complementary

#15255E #5E2915 #4A5E15

monochromatic

#060A19 #0A112C #15255E #203990 #2B4CC2

Accessibility & contrast

On white

14.40

#15255E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#15255E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15255E

14.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15255E	#FFFFFF	#000000	##FFFFFF
##15255E	1.00	14.40	1.46	14.40
#FFFFFF	14.40	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D60

Deuteranopia (green-blind)

#00275D

Tritanopia (blue-blind)

#00333D

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #15255e;
/* rgb */ color: rgb(21, 37, 94);
/* oklch */ color: oklch(29.0% 0.104 267.5);

Tailwind

colors: {
  custom: {
    50: '#5e5f8c',
    500: '#15255e',
    950: '#000000',
  },
}

SCSS

$custom: #15255e;
$custom-light: #5e5f8c;
$custom-dark: #000000;

JSON

{
  "hex": "#15255e",
  "rgb": {
    "r": 21,
    "g": 37,
    "b": 94
  },
  "hsl": {
    "h": 226.849,
    "s": 63.478,
    "l": 22.549
  },
  "oklch": {
    "l": 0.28992,
    "c": 0.10384,
    "h": 267.5
  },
  "luminance": 0.02291
}

Semantic roles & 50–950 ramp

primary

#15255E

secondary

#958139

accent

#C241E7

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #15255E

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

Preview Lab → · Contrast checker → · Palette generator →