#0F3857#0F3857

#0F3857 is a dark, moderate cyan. Relative luminance 0.036; OKLCH L 32.9% C 0.071 H 245.5°. Best body text is #FFFFFF at 12.18:1 contrast (WCAG AA passes).

Color values

HEX	#0F3857
RGB	rgb(15, 56, 87)
HSL	hsl(206, 71%, 20%)
HSV	hsv(206, 83%, 34%)
CMYK	cmyk(82.8%, 35.6%, 0%, 65.9%)
CIE-LAB	lab(22.36, -1.74, -22.68)
CIE-LCH	lch(22.36, 22.74, 265.60°)
OKLab	oklab(32.95% -0.0293 -0.0644)
OKLCH	oklch(32.95% 0.071 245.5)
XYZ	xyz(3.3308, 3.6176, 9.5377)
Luminance	0.0362 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3857 #572E0F

analogous

#0F5752 #0F3857 #0F1457

triadic

#0F3857 #570F38 #38570F

tetradic

#0F3857 #520F57 #572E0F #14570F

square

#0F3857 #520F57 #572E0F #14570F

split-complementary

#0F3857 #570F14 #57520F

monochromatic

#05111A #061623 #0F3857 #185A8B #217BBF

Accessibility & contrast

On white

12.18

#0F3857 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#0F3857 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3857

12.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3857	#FFFFFF	#000000	##FFFFFF
##0F3857	1.00	12.18	1.72	12.18
#FFFFFF	12.18	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A3958

Deuteranopia (green-blind)

#1F3256

Tritanopia (blue-blind)

#004043

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #0f3857;
/* rgb */ color: rgb(15, 56, 87);
/* oklch */ color: oklch(32.9% 0.071 245.5);

Tailwind

colors: {
  custom: {
    50: '#5a6e86',
    500: '#0f3857',
    950: '#000000',
  },
}

SCSS

$custom: #0f3857;
$custom-light: #5a6e86;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3857",
  "rgb": {
    "r": 15,
    "g": 56,
    "b": 87
  },
  "hsl": {
    "h": 205.833,
    "s": 70.588,
    "l": 20
  },
  "oklch": {
    "l": 0.32948,
    "c": 0.07075,
    "h": 245.5
  },
  "luminance": 0.03618
}

Semantic roles & 50–950 ramp

primary

#0F3857

secondary

#915A31

accent

#873AED

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #0F3857

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

Preview Lab → · Contrast checker → · Palette generator →