#0F2557#0F2557

#0F2557 is a dark, moderate blue. Relative luminance 0.021; OKLCH L 28.1% C 0.095 H 263.6°. Best body text is #FFFFFF at 14.76:1 contrast (WCAG AA passes).

Color values

HEX	#0F2557
RGB	rgb(15, 37, 87)
HSL	hsl(222, 71%, 20%)
HSV	hsv(222, 83%, 34%)
CMYK	cmyk(82.8%, 57.5%, 0%, 65.9%)
CIE-LAB	lab(16.07, 12.01, -32.75)
CIE-LCH	lch(16.07, 34.88, 290.15°)
OKLab	oklab(28.07% -0.0106 -0.0943)
OKLCH	oklch(28.07% 0.095 263.6)
XYZ	xyz(2.5783, 2.1125, 9.2869)
Luminance	0.0211 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F2557 #57410F

analogous

#0F4957 #0F2557 #1D0F57

triadic

#0F2557 #570F25 #25570F

tetradic

#0F2557 #570F49 #57410F #0F571D

square

#0F2557 #570F49 #57410F #0F571D

split-complementary

#0F2557 #571D0F #49570F

monochromatic

#050B1A #060F23 #0F2557 #183B8B #2151BF

Accessibility & contrast

On white

14.76

#0F2557 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#0F2557 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F2557

14.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F2557	#FFFFFF	#000000	##FFFFFF
##0F2557	1.00	14.76	1.42	14.76
#FFFFFF	14.76	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#022B59

Deuteranopia (green-blind)

#002556

Tritanopia (blue-blind)

#00313A

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #0f2557;
/* rgb */ color: rgb(15, 37, 87);
/* oklch */ color: oklch(28.1% 0.095 263.6);

Tailwind

colors: {
  custom: {
    50: '#5a5f87',
    500: '#0f2557',
    950: '#000000',
  },
}

SCSS

$custom: #0f2557;
$custom-light: #5a5f87;
$custom-dark: #000000;

JSON

{
  "hex": "#0f2557",
  "rgb": {
    "r": 15,
    "g": 37,
    "b": 87
  },
  "hsl": {
    "h": 221.667,
    "s": 70.588,
    "l": 20
  },
  "oklch": {
    "l": 0.28066,
    "c": 0.09494,
    "h": 263.6
  },
  "luminance": 0.02113
}

Semantic roles & 50–950 ramp

primary

#0F2557

secondary

#917431

accent

#B73AED

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04040B

muted

#79797C

Preview Lab

Preview with #0F2557

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

Preview Lab → · Contrast checker → · Palette generator →