#0F285D#0F285D

#0F285D is a dark, moderate blue. Relative luminance 0.024; OKLCH L 29.3% C 0.100 H 262.8°. Best body text is #FFFFFF at 14.17:1 contrast (WCAG AA passes).

Color values

HEX	#0F285D
RGB	rgb(15, 40, 93)
HSL	hsl(221, 72%, 21%)
HSV	hsv(221, 84%, 36%)
CMYK	cmyk(83.9%, 57%, 0%, 63.5%)
CIE-LAB	lab(17.50, 12.39, -34.43)
CIE-LCH	lch(17.50, 36.59, 289.79°)
OKLab	oklab(29.31% -0.0125 -0.0992)
OKLCH	oklch(29.31% 0.1 262.8)
XYZ	xyz(2.9309, 2.4091, 10.6643)
Luminance	0.0241 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F285D #5D440F

analogous

#0F4F5D #0F285D #1D0F5D

triadic

#0F285D #5D0F28 #285D0F

tetradic

#0F285D #5D0F4F #5D440F #0F5D1D

square

#0F285D #5D0F4F #5D440F #0F5D1D

split-complementary

#0F285D #5D1D0F #4F5D0F

monochromatic

#040B1A #061128 #0F285D #173F92 #2055C6

Accessibility & contrast

On white

14.17

#0F285D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#0F285D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F285D

14.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F285D	#FFFFFF	#000000	##FFFFFF
##0F285D	1.00	14.17	1.48	14.17
#FFFFFF	14.17	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#022F5F

Deuteranopia (green-blind)

#00285C

Tritanopia (blue-blind)

#00353E

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #0f285d;
/* rgb */ color: rgb(15, 40, 93);
/* oklch */ color: oklch(29.3% 0.100 262.8);

Tailwind

colors: {
  custom: {
    50: '#5c618b',
    500: '#0f285d',
    950: '#000000',
  },
}

SCSS

$custom: #0f285d;
$custom-light: #5c618b;
$custom-dark: #000000;

JSON

{
  "hex": "#0f285d",
  "rgb": {
    "r": 15,
    "g": 40,
    "b": 93
  },
  "hsl": {
    "h": 220.769,
    "s": 72.222,
    "l": 21.176
  },
  "oklch": {
    "l": 0.29313,
    "c": 0.10001,
    "h": 262.8
  },
  "luminance": 0.02409
}

Semantic roles & 50–950 ramp

primary

#0F285D

secondary

#967631

accent

#B539EF

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05050C

muted

#79797D

Preview Lab

Preview with #0F285D

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

Preview Lab → · Contrast checker → · Palette generator →