#0F304B#0F304B

#0F304B is a dark, moderate cyan. Relative luminance 0.027; OKLCH L 30.0% C 0.062 H 246.7°. Best body text is #FFFFFF at 13.60:1 contrast (WCAG AA passes).

Color values

HEX	#0F304B
RGB	rgb(15, 48, 75)
HSL	hsl(207, 67%, 18%)
HSV	hsv(207, 80%, 29%)
CMYK	cmyk(80%, 36%, 0%, 70.6%)
CIE-LAB	lab(18.90, -1.27, -20.13)
CIE-LCH	lch(18.90, 20.17, 266.40°)
OKLab	oklab(29.99% -0.0246 -0.0571)
OKLCH	oklch(29.99% 0.062 246.7)
XYZ	xyz(2.5235, 2.7232, 7.0479)
Luminance	0.0272 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F304B #4B2A0F

analogous

#0F4B48 #0F304B #0F124B

triadic

#0F304B #4B0F30 #304B0F

tetradic

#0F304B #480F4B #4B2A0F #124B0F

square

#0F304B #480F4B #4B2A0F #124B0F

split-complementary

#0F304B #4B0F12 #4B480F

monochromatic

#05101A #05101A #0F304B #19517E #2371B1

Accessibility & contrast

On white

13.60

#0F304B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#0F304B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F304B

13.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F304B	#FFFFFF	#000000	##FFFFFF
##0F304B	1.00	13.60	1.54	13.60
#FFFFFF	13.60	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24314C

Deuteranopia (green-blind)

#1B2B4A

Tritanopia (blue-blind)

#00363A

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #0f304b;
/* rgb */ color: rgb(15, 48, 75);
/* oklch */ color: oklch(30.0% 0.062 246.7);

Tailwind

colors: {
  custom: {
    50: '#57687d',
    500: '#0f304b',
    950: '#000000',
  },
}

SCSS

$custom: #0f304b;
$custom-light: #57687d;
$custom-dark: #000000;

JSON

{
  "hex": "#0f304b",
  "rgb": {
    "r": 15,
    "g": 48,
    "b": 75
  },
  "hsl": {
    "h": 207,
    "s": 66.667,
    "l": 17.647
  },
  "oklch": {
    "l": 0.29988,
    "c": 0.06216,
    "h": 246.7
  },
  "luminance": 0.02723
}

Semantic roles & 50–950 ramp

primary

#0F304B

secondary

#855730

accent

#8B3EEA

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#030609

muted

#787A7B

Preview Lab

Preview with #0F304B

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

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