#0F2857#0F2857

#0F2857 is a dark, moderate blue. Relative luminance 0.023; OKLCH L 28.8% C 0.091 H 261.6°. Best body text is #FFFFFF at 14.37:1 contrast (WCAG AA passes).

Color values

HEX	#0F2857
RGB	rgb(15, 40, 87)
HSL	hsl(219, 71%, 20%)
HSV	hsv(219, 83%, 34%)
CMYK	cmyk(82.8%, 54%, 0%, 65.9%)
CIE-LAB	lab(17.02, 9.76, -31.20)
CIE-LCH	lch(17.02, 32.70, 287.37°)
OKLab	oklab(28.79% -0.0133 -0.0897)
OKLCH	oklch(28.79% 0.091 261.6)
XYZ	xyz(2.6755, 2.3070, 9.3193)
Luminance	0.0231 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F2857 #573E0F

analogous

#0F4C57 #0F2857 #1A0F57

triadic

#0F2857 #570F28 #28570F

tetradic

#0F2857 #570F4C #573E0F #0F571A

square

#0F2857 #570F4C #573E0F #0F571A

split-complementary

#0F2857 #571A0F #4C570F

monochromatic

#050C1A #061023 #0F2857 #18408B #2158BF

Accessibility & contrast

On white

14.37

#0F2857 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#0F2857 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F2857

14.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F2857	#FFFFFF	#000000	##FFFFFF
##0F2857	1.00	14.37	1.46	14.37
#FFFFFF	14.37	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C2D59

Deuteranopia (green-blind)

#002756

Tritanopia (blue-blind)

#00333B

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #0f2857;
/* rgb */ color: rgb(15, 40, 87);
/* oklch */ color: oklch(28.8% 0.091 261.6);

Tailwind

colors: {
  custom: {
    50: '#5a6187',
    500: '#0f2857',
    950: '#000000',
  },
}

SCSS

$custom: #0f2857;
$custom-light: #5a6187;
$custom-dark: #000000;

JSON

{
  "hex": "#0f2857",
  "rgb": {
    "r": 15,
    "g": 40,
    "b": 87
  },
  "hsl": {
    "h": 219.167,
    "s": 70.588,
    "l": 20
  },
  "oklch": {
    "l": 0.28794,
    "c": 0.09072,
    "h": 261.6
  },
  "luminance": 0.02307
}

Semantic roles & 50–950 ramp

primary

#0F2857

secondary

#917031

accent

#AF3AED

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04050B

muted

#79797C

Preview Lab

Preview with #0F2857

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

Preview Lab → · Contrast checker → · Palette generator →