#0F2F4B#0F2F4B

#0F2F4B is a dark, moderate cyan. Relative luminance 0.026; OKLCH L 29.7% C 0.063 H 248.2°. Best body text is #FFFFFF at 13.74:1 contrast (WCAG AA passes).

Color values

HEX	#0F2F4B
RGB	rgb(15, 47, 75)
HSL	hsl(208, 67%, 18%)
HSV	hsv(208, 80%, 29%)
CMYK	cmyk(80%, 37.3%, 0%, 70.6%)
CIE-LAB	lab(18.55, -0.56, -20.68)
CIE-LCH	lch(18.55, 20.69, 268.44°)
OKLab	oklab(29.71% -0.0235 -0.0587)
OKLCH	oklch(29.71% 0.063 248.2)
XYZ	xyz(2.4830, 2.6423, 7.0344)
Luminance	0.0264 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F2F4B #4B2B0F

analogous

#0F4B49 #0F2F4B #0F114B

triadic

#0F2F4B #4B0F2F #2F4B0F

tetradic

#0F2F4B #490F4B #4B2B0F #114B0F

square

#0F2F4B #490F4B #4B2B0F #114B0F

split-complementary

#0F2F4B #4B0F11 #4B490F

monochromatic

#05101A #05101A #0F2F4B #194F7E #236FB1

Accessibility & contrast

On white

13.74

#0F2F4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#0F2F4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F2F4B

13.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F2F4B	#FFFFFF	#000000	##FFFFFF
##0F2F4B	1.00	13.74	1.53	13.74
#FFFFFF	13.74	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22304C

Deuteranopia (green-blind)

#1A2B4A

Tritanopia (blue-blind)

#003639

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #0f2f4b;
/* rgb */ color: rgb(15, 47, 75);
/* oklch */ color: oklch(29.7% 0.063 248.2);

Tailwind

colors: {
  custom: {
    50: '#57677d',
    500: '#0f2f4b',
    950: '#000000',
  },
}

SCSS

$custom: #0f2f4b;
$custom-light: #57677d;
$custom-dark: #000000;

JSON

{
  "hex": "#0f2f4b",
  "rgb": {
    "r": 15,
    "g": 47,
    "b": 75
  },
  "hsl": {
    "h": 208,
    "s": 66.667,
    "l": 17.647
  },
  "oklch": {
    "l": 0.29714,
    "c": 0.06322,
    "h": 248.2
  },
  "luminance": 0.02643
}

Semantic roles & 50–950 ramp

primary

#0F2F4B

secondary

#855830

accent

#8E3EEA

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#030609

muted

#787A7B

Preview Lab

Preview with #0F2F4B

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

Preview Lab → · Contrast checker → · Palette generator →