#15285D#15285D

#15285D is a dark, moderate blue. Relative luminance 0.025; OKLCH L 29.6% C 0.098 H 265.8°. Best body text is #FFFFFF at 14.06:1 contrast (WCAG AA passes).

Color values

HEX	#15285D
RGB	rgb(21, 40, 93)
HSL	hsl(224, 63%, 22%)
HSV	hsv(224, 77%, 36%)
CMYK	cmyk(77.4%, 57%, 0%, 63.5%)
CIE-LAB	lab(17.77, 13.21, -33.98)
CIE-LCH	lch(17.77, 36.46, 291.25°)
OKLab	oklab(29.59% -0.0072 -0.0978)
OKLCH	oklch(29.59% 0.098 265.8)
XYZ	xyz(3.0431, 2.4670, 10.6696)
Luminance	0.0247 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15285D #5D4A15

analogous

#154C5D #15285D #26155D

triadic

#15285D #5D1528 #285D15

tetradic

#15285D #5D154C #5D4A15 #155D26

square

#15285D #5D154C #5D4A15 #155D26

split-complementary

#15285D #5D2615 #4C5D15

monochromatic

#060B19 #0A132B #15285D #203D8F #2C53C1

Accessibility & contrast

On white

14.06

#15285D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#15285D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15285D

14.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15285D	#FFFFFF	#000000	##FFFFFF
##15285D	1.00	14.06	1.49	14.06
#FFFFFF	14.06	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#032F5F

Deuteranopia (green-blind)

#00285C

Tritanopia (blue-blind)

#00353E

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #15285d;
/* rgb */ color: rgb(21, 40, 93);
/* oklch */ color: oklch(29.6% 0.098 265.8);

Tailwind

colors: {
  custom: {
    50: '#5e618b',
    500: '#15285d',
    950: '#000000',
  },
}

SCSS

$custom: #15285d;
$custom-light: #5e618b;
$custom-dark: #000000;

JSON

{
  "hex": "#15285d",
  "rgb": {
    "r": 21,
    "g": 40,
    "b": 93
  },
  "hsl": {
    "h": 224.167,
    "s": 63.158,
    "l": 22.353
  },
  "oklch": {
    "l": 0.29588,
    "c": 0.09807,
    "h": 265.8
  },
  "luminance": 0.02467
}

Semantic roles & 50–950 ramp

primary

#15285D

secondary

#947C39

accent

#BB42E6

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05050C

muted

#79797D

Preview Lab

Preview with #15285D

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

Preview Lab → · Contrast checker → · Palette generator →