#0F304D#0F304D

#0F304D is a dark, moderate cyan. Relative luminance 0.028; OKLCH L 30.1% C 0.065 H 248.4°. Best body text is #FFFFFF at 13.55:1 contrast (WCAG AA passes).

Color values

HEX	#0F304D
RGB	rgb(15, 48, 77)
HSL	hsl(208, 67%, 18%)
HSV	hsv(208, 81%, 30%)
CMYK	cmyk(80.5%, 37.7%, 0%, 69.8%)
CIE-LAB	lab(19.02, -0.42, -21.29)
CIE-LCH	lch(19.02, 21.30, 268.87°)
OKLab	oklab(30.12% -0.0239 -0.0605)
OKLCH	oklch(30.12% 0.065 248.4)
XYZ	xyz(2.5930, 2.7510, 7.4141)
Luminance	0.0275 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F304D #4D2C0F

analogous

#0F4D4B #0F304D #0F114D

triadic

#0F304D #4D0F30 #304D0F

tetradic

#0F304D #4B0F4D #4D2C0F #114D0F

square

#0F304D #4B0F4D #4D2C0F #114D0F

split-complementary

#0F304D #4D0F11 #4D4B0F

monochromatic

#05101A #05101A #0F304D #195080 #2370B3

Accessibility & contrast

On white

13.55

#0F304D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#0F304D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F304D

13.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F304D	#FFFFFF	#000000	##FFFFFF
##0F304D	1.00	13.55	1.55	13.55
#FFFFFF	13.55	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23314E

Deuteranopia (green-blind)

#1A2C4C

Tritanopia (blue-blind)

#00373A

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #0f304d;
/* rgb */ color: rgb(15, 48, 77);
/* oklch */ color: oklch(30.1% 0.065 248.4);

Tailwind

colors: {
  custom: {
    50: '#57687f',
    500: '#0f304d',
    950: '#000000',
  },
}

SCSS

$custom: #0f304d;
$custom-light: #57687f;
$custom-dark: #000000;

JSON

{
  "hex": "#0f304d",
  "rgb": {
    "r": 15,
    "g": 48,
    "b": 77
  },
  "hsl": {
    "h": 208.065,
    "s": 67.391,
    "l": 18.039
  },
  "oklch": {
    "l": 0.3012,
    "c": 0.06505,
    "h": 248.4
  },
  "luminance": 0.02751
}

Semantic roles & 50–950 ramp

primary

#0F304D

secondary

#875931

accent

#8E3EEA

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04060A

muted

#797A7C

Preview Lab

Preview with #0F304D

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

Preview Lab → · Contrast checker → · Palette generator →