#0F344B#0F344B

#0F344B is a dark, muted cyan. Relative luminance 0.031; OKLCH L 31.1% C 0.058 H 240.0°. Best body text is #FFFFFF at 13.02:1 contrast (WCAG AA passes).

Color values

HEX	#0F344B
RGB	rgb(15, 52, 75)
HSL	hsl(203, 67%, 18%)
HSV	hsv(203, 80%, 29%)
CMYK	cmyk(80%, 30.7%, 0%, 70.6%)
CIE-LAB	lab(20.30, -4.02, -17.93)
CIE-LCH	lch(20.30, 18.37, 257.36°)
OKLab	oklab(31.1% -0.0292 -0.0506)
OKLCH	oklch(31.1% 0.058 240)
XYZ	xyz(2.6945, 3.0652, 7.1049)
Luminance	0.0307 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F344B #4B260F

analogous

#0F4B44 #0F344B #0F164B

triadic

#0F344B #4B0F34 #344B0F

tetradic

#0F344B #440F4B #4B260F #164B0F

square

#0F344B #440F4B #4B260F #164B0F

split-complementary

#0F344B #4B0F16 #4B440F

monochromatic

#05121A #05121A #0F344B #19577E #237BB1

Accessibility & contrast

On white

13.02

#0F344B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#0F344B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F344B

13.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F344B	#FFFFFF	#000000	##FFFFFF
##0F344B	1.00	13.02	1.61	13.02
#FFFFFF	13.02	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29344C

Deuteranopia (green-blind)

#212E4B

Tritanopia (blue-blind)

#003A3C

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #0f344b;
/* rgb */ color: rgb(15, 52, 75);
/* oklch */ color: oklch(31.1% 0.058 240.0);

Tailwind

colors: {
  custom: {
    50: '#576b7d',
    500: '#0f344b',
    950: '#000000',
  },
}

SCSS

$custom: #0f344b;
$custom-light: #576b7d;
$custom-dark: #000000;

JSON

{
  "hex": "#0f344b",
  "rgb": {
    "r": 15,
    "g": 52,
    "b": 75
  },
  "hsl": {
    "h": 203,
    "s": 66.667,
    "l": 17.647
  },
  "oklch": {
    "l": 0.31098,
    "c": 0.05844,
    "h": 240
  },
  "luminance": 0.03066
}

Semantic roles & 50–950 ramp

primary

#0F344B

secondary

#855130

accent

#803EEA

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#030609

muted

#787A7B

Preview Lab

Preview with #0F344B

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

Preview Lab → · Contrast checker → · Palette generator →