#0F304C#0F304C

#0F304C is a dark, moderate cyan. Relative luminance 0.027; OKLCH L 30.1% C 0.064 H 247.6°. Best body text is #FFFFFF at 13.57:1 contrast (WCAG AA passes).

Color values

HEX	#0F304C
RGB	rgb(15, 48, 76)
HSL	hsl(208, 67%, 18%)
HSV	hsv(208, 80%, 30%)
CMYK	cmyk(80.3%, 36.8%, 0%, 70.2%)
CIE-LAB	lab(18.96, -0.84, -20.71)
CIE-LCH	lch(18.96, 20.73, 267.67°)
OKLab	oklab(30.05% -0.0243 -0.0588)
OKLCH	oklch(30.05% 0.064 247.6)
XYZ	xyz(2.5580, 2.7370, 7.2296)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F304C #4C2B0F

analogous

#0F4C49 #0F304C #0F114C

triadic

#0F304C #4C0F30 #304C0F

tetradic

#0F304C #490F4C #4C2B0F #114C0F

square

#0F304C #490F4C #4C2B0F #114C0F

split-complementary

#0F304C #4C0F11 #4C490F

monochromatic

#05101A #05101A #0F304C #19507F #2371B2

Accessibility & contrast

On white

13.57

#0F304C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#0F304C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F304C

13.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F304C	#FFFFFF	#000000	##FFFFFF
##0F304C	1.00	13.57	1.55	13.57
#FFFFFF	13.57	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23314D

Deuteranopia (green-blind)

#1B2B4B

Tritanopia (blue-blind)

#00373A

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #0f304c;
/* rgb */ color: rgb(15, 48, 76);
/* oklch */ color: oklch(30.1% 0.064 247.6);

Tailwind

colors: {
  custom: {
    50: '#57687e',
    500: '#0f304c',
    950: '#000000',
  },
}

SCSS

$custom: #0f304c;
$custom-light: #57687e;
$custom-dark: #000000;

JSON

{
  "hex": "#0f304c",
  "rgb": {
    "r": 15,
    "g": 48,
    "b": 76
  },
  "hsl": {
    "h": 207.541,
    "s": 67.033,
    "l": 17.843
  },
  "oklch": {
    "l": 0.30054,
    "c": 0.06359,
    "h": 247.6
  },
  "luminance": 0.02737
}

Semantic roles & 50–950 ramp

primary

#0F304C

secondary

#865831

accent

#8D3EEA

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#03060A

muted

#787A7C

Preview Lab

Preview with #0F304C

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

Preview Lab → · Contrast checker → · Palette generator →