#0F2559#0F2559

#0F2559 is a dark, moderate blue. Relative luminance 0.021; OKLCH L 28.2% C 0.098 H 263.9°. Best body text is #FFFFFF at 14.69:1 contrast (WCAG AA passes).

Color values

HEX	#0F2559
RGB	rgb(15, 37, 89)
HSL	hsl(222, 71%, 20%)
HSV	hsv(222, 83%, 35%)
CMYK	cmyk(83.1%, 58.4%, 0%, 65.1%)
CIE-LAB	lab(16.23, 12.89, -33.82)
CIE-LCH	lch(16.23, 36.19, 290.86°)
OKLab	oklab(28.25% -0.0104 -0.0975)
OKLCH	oklch(28.25% 0.098 263.9)
XYZ	xyz(2.6611, 2.1457, 9.7232)
Luminance	0.0215 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F2559 #59430F

analogous

#0F4A59 #0F2559 #1E0F59

triadic

#0F2559 #590F25 #25590F

tetradic

#0F2559 #590F4A #59430F #0F591E

square

#0F2559 #590F4A #59430F #0F591E

split-complementary

#0F2559 #591E0F #4A590F

monochromatic

#040B1A #060F25 #0F2559 #183B8D #2151C2

Accessibility & contrast

On white

14.69

#0F2559 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#0F2559 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F2559

14.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F2559	#FFFFFF	#000000	##FFFFFF
##0F2559	1.00	14.69	1.43	14.69
#FFFFFF	14.69	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C5B

Deuteranopia (green-blind)

#002558

Tritanopia (blue-blind)

#00323B

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #0f2559;
/* rgb */ color: rgb(15, 37, 89);
/* oklch */ color: oklch(28.2% 0.098 263.9);

Tailwind

colors: {
  custom: {
    50: '#5b5f88',
    500: '#0f2559',
    950: '#000000',
  },
}

SCSS

$custom: #0f2559;
$custom-light: #5b5f88;
$custom-dark: #000000;

JSON

{
  "hex": "#0f2559",
  "rgb": {
    "r": 15,
    "g": 37,
    "b": 89
  },
  "hsl": {
    "h": 222.162,
    "s": 71.154,
    "l": 20.392
  },
  "oklch": {
    "l": 0.28246,
    "c": 0.09805,
    "h": 263.9
  },
  "luminance": 0.02146
}

Semantic roles & 50–950 ramp

primary

#0F2559

secondary

#937631

accent

#B83AEE

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#04040B

muted

#79797C

Preview Lab

Preview with #0F2559

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

Preview Lab → · Contrast checker → · Palette generator →