#0F3151#0F3151

#0F3151 is a dark, moderate cyan. Relative luminance 0.029; OKLCH L 30.7% C 0.070 H 250.1°. Best body text is #FFFFFF at 13.30:1 contrast (WCAG AA passes).

Color values

HEX	#0F3151
RGB	rgb(15, 49, 81)
HSL	hsl(209, 69%, 19%)
HSV	hsv(209, 81%, 32%)
CMYK	cmyk(81.5%, 39.5%, 0%, 68.2%)
CIE-LAB	lab(19.61, 0.58, -23.05)
CIE-LCH	lch(19.61, 23.06, 271.44°)
OKLab	oklab(30.66% -0.0238 -0.0656)
OKLCH	oklch(30.66% 0.07 250.1)
XYZ	xyz(2.7800, 2.8919, 8.1947)
Luminance	0.0289 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3151 #512F0F

analogous

#0F5150 #0F3151 #0F1051

triadic

#0F3151 #510F31 #31510F

tetradic

#0F3151 #500F51 #512F0F #10510F

square

#0F3151 #500F51 #512F0F #10510F

split-complementary

#0F3151 #510F10 #51500F

monochromatic

#05101A #05121D #0F3151 #195085 #226FB8

Accessibility & contrast

On white

13.30

#0F3151 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#0F3151 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3151

13.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3151	#FFFFFF	#000000	##FFFFFF
##0F3151	1.00	13.30	1.58	13.30
#FFFFFF	13.30	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#223352

Deuteranopia (green-blind)

#192D50

Tritanopia (blue-blind)

#00393D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #0f3151;
/* rgb */ color: rgb(15, 49, 81);
/* oklch */ color: oklch(30.7% 0.070 250.1);

Tailwind

colors: {
  custom: {
    50: '#586882',
    500: '#0f3151',
    950: '#000000',
  },
}

SCSS

$custom: #0f3151;
$custom-light: #586882;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3151",
  "rgb": {
    "r": 15,
    "g": 49,
    "b": 81
  },
  "hsl": {
    "h": 209.091,
    "s": 68.75,
    "l": 18.824
  },
  "oklch": {
    "l": 0.30661,
    "c": 0.06977,
    "h": 250.1
  },
  "luminance": 0.02892
}

Semantic roles & 50–950 ramp

primary

#0F3151

secondary

#8B5D31

accent

#913CEC

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04060A

muted

#797A7C

Preview Lab

Preview with #0F3151

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

Preview Lab → · Contrast checker → · Palette generator →