#15285E#15285E

#15285E is a dark, moderate blue. Relative luminance 0.025; OKLCH L 29.7% C 0.100 H 265.9°. Best body text is #FFFFFF at 14.03:1 contrast (WCAG AA passes).

Color values

HEX	#15285E
RGB	rgb(21, 40, 94)
HSL	hsl(224, 63%, 23%)
HSV	hsv(224, 78%, 37%)
CMYK	cmyk(77.7%, 57.4%, 0%, 63.1%)
CIE-LAB	lab(17.85, 13.64, -34.52)
CIE-LCH	lch(17.85, 37.11, 291.56°)
OKLab	oklab(29.68% -0.0071 -0.0994)
OKLCH	oklch(29.68% 0.1 265.9)
XYZ	xyz(3.0877, 2.4848, 10.9044)
Luminance	0.0249 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15285E #5E4B15

analogous

#154C5E #15285E #27155E

triadic

#15285E #5E1528 #285E15

tetradic

#15285E #5E154C #5E4B15 #155E27

square

#15285E #5E154C #5E4B15 #155E27

split-complementary

#15285E #5E2715 #4C5E15

monochromatic

#060B19 #0A132C #15285E #203D90 #2B53C2

Accessibility & contrast

On white

14.03

#15285E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#15285E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15285E

14.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15285E	#FFFFFF	#000000	##FFFFFF
##15285E	1.00	14.03	1.50	14.03
#FFFFFF	14.03	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#022F60

Deuteranopia (green-blind)

#00285D

Tritanopia (blue-blind)

#00353E

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #15285e;
/* rgb */ color: rgb(21, 40, 94);
/* oklch */ color: oklch(29.7% 0.100 265.9);

Tailwind

colors: {
  custom: {
    50: '#5e618c',
    500: '#15285e',
    950: '#000000',
  },
}

SCSS

$custom: #15285e;
$custom-light: #5e618c;
$custom-dark: #000000;

JSON

{
  "hex": "#15285e",
  "rgb": {
    "r": 21,
    "g": 40,
    "b": 94
  },
  "hsl": {
    "h": 224.384,
    "s": 63.478,
    "l": 22.549
  },
  "oklch": {
    "l": 0.29675,
    "c": 0.09962,
    "h": 265.9
  },
  "luminance": 0.02485
}

Semantic roles & 50–950 ramp

primary

#15285E

secondary

#957D39

accent

#BC41E7

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05050C

muted

#79797D

Preview Lab

Preview with #15285E

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

Preview Lab → · Contrast checker → · Palette generator →