#0F3457#0F3457

#0F3457 is a dark, moderate cyan. Relative luminance 0.032; OKLCH L 31.9% C 0.075 H 250.5°. Best body text is #FFFFFF at 12.73:1 contrast (WCAG AA passes).

Color values

HEX	#0F3457
RGB	rgb(15, 52, 87)
HSL	hsl(209, 71%, 20%)
HSV	hsv(209, 83%, 34%)
CMYK	cmyk(82.8%, 40.2%, 0%, 65.9%)
CIE-LAB	lab(21.00, 1.03, -24.84)
CIE-LCH	lch(21.00, 24.86, 272.37°)
OKLab	oklab(31.88% -0.0251 -0.0708)
OKLCH	oklch(31.88% 0.075 250.5)
XYZ	xyz(3.1446, 3.2453, 9.4756)
Luminance	0.0325 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3457 #57320F

analogous

#0F5756 #0F3457 #0F1057

triadic

#0F3457 #570F34 #34570F

tetradic

#0F3457 #560F57 #57320F #10570F

square

#0F3457 #560F57 #57320F #10570F

split-complementary

#0F3457 #570F10 #57560F

monochromatic

#05101A #061523 #0F3457 #18538B #2172BF

Accessibility & contrast

On white

12.73

#0F3457 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#0F3457 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3457

12.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3457	#FFFFFF	#000000	##FFFFFF
##0F3457	1.00	12.73	1.65	12.73
#FFFFFF	12.73	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#243658

Deuteranopia (green-blind)

#192F56

Tritanopia (blue-blind)

#003C41

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #0f3457;
/* rgb */ color: rgb(15, 52, 87);
/* oklch */ color: oklch(31.9% 0.075 250.5);

Tailwind

colors: {
  custom: {
    50: '#5a6b86',
    500: '#0f3457',
    950: '#000000',
  },
}

SCSS

$custom: #0f3457;
$custom-light: #5a6b86;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3457",
  "rgb": {
    "r": 15,
    "g": 52,
    "b": 87
  },
  "hsl": {
    "h": 209.167,
    "s": 70.588,
    "l": 20
  },
  "oklch": {
    "l": 0.31876,
    "c": 0.0751,
    "h": 250.5
  },
  "luminance": 0.03246
}

Semantic roles & 50–950 ramp

primary

#0F3457

secondary

#916031

accent

#913AED

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04060B

muted

#797A7C

Preview Lab

Preview with #0F3457

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

Preview Lab → · Contrast checker → · Palette generator →