#0F285E#0F285E

#0F285E is a dark, moderate blue. Relative luminance 0.024; OKLCH L 29.4% C 0.102 H 263.0°. Best body text is #FFFFFF at 14.14:1 contrast (WCAG AA passes).

Color values

HEX	#0F285E
RGB	rgb(15, 40, 94)
HSL	hsl(221, 72%, 21%)
HSV	hsv(221, 84%, 37%)
CMYK	cmyk(84%, 57.4%, 0%, 63.1%)
CIE-LAB	lab(17.58, 12.82, -34.96)
CIE-LCH	lch(17.58, 37.23, 290.14°)
OKLab	oklab(29.4% -0.0124 -0.1008)
OKLCH	oklch(29.4% 0.102 263)
XYZ	xyz(2.9755, 2.4269, 10.8991)
Luminance	0.0243 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F285E #5E450F

analogous

#0F505E #0F285E #1E0F5E

triadic

#0F285E #5E0F28 #285E0F

tetradic

#0F285E #5E0F50 #5E450F #0F5E1E

square

#0F285E #5E0F50 #5E450F #0F5E1E

split-complementary

#0F285E #5E1E0F #505E0F

monochromatic

#040B1A #071229 #0F285E #173E93 #2055C8

Accessibility & contrast

On white

14.14

#0F285E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#0F285E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F285E

14.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F285E	#FFFFFF	#000000	##FFFFFF
##0F285E	1.00	14.14	1.49	14.14
#FFFFFF	14.14	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F60

Deuteranopia (green-blind)

#00285D

Tritanopia (blue-blind)

#00353E

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #0f285e;
/* rgb */ color: rgb(15, 40, 94);
/* oklch */ color: oklch(29.4% 0.102 263.0);

Tailwind

colors: {
  custom: {
    50: '#5c618c',
    500: '#0f285e',
    950: '#000000',
  },
}

SCSS

$custom: #0f285e;
$custom-light: #5c618c;
$custom-dark: #000000;

JSON

{
  "hex": "#0f285e",
  "rgb": {
    "r": 15,
    "g": 40,
    "b": 94
  },
  "hsl": {
    "h": 221.013,
    "s": 72.477,
    "l": 21.373
  },
  "oklch": {
    "l": 0.29401,
    "c": 0.10154,
    "h": 263
  },
  "luminance": 0.02427
}

Semantic roles & 50–950 ramp

primary

#0F285E

secondary

#977731

accent

#B539EF

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05050C

muted

#79797D

Preview Lab

Preview with #0F285E

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

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