#0F333B#0F333B

#0F333B is a dark, muted cyan. Relative luminance 0.028; OKLCH L 29.9% C 0.043 H 215.0°. Best body text is #FFFFFF at 13.49:1 contrast (WCAG AA passes).

Color values

HEX	#0F333B
RGB	rgb(15, 51, 59)
HSL	hsl(191, 59%, 15%)
HSV	hsv(191, 75%, 23%)
CMYK	cmyk(74.6%, 13.6%, 0%, 76.9%)
CIE-LAB	lab(19.16, -9.71, -8.83)
CIE-LCH	lch(19.16, 13.13, 222.29°)
OKLab	oklab(29.93% -0.035 -0.0246)
OKLCH	oklch(29.93% 0.043 215)
XYZ	xyz(2.1699, 2.7847, 4.5600)
Luminance	0.0278 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F333B #3B170F

analogous

#0F3B2D #0F333B #0F1D3B

triadic

#0F333B #3B0F33 #333B0F

tetradic

#0F333B #2D0F3B #3B170F #1D3B0F

square

#0F333B #2D0F3B #3B170F #1D3B0F

split-complementary

#0F333B #3B0F1D #3B2D0F

monochromatic

#061518 #061518 #0F333B #1B5D6C #28879D

Accessibility & contrast

On white

13.49

#0F333B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#0F333B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F333B

13.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F333B	#FFFFFF	#000000	##FFFFFF
##0F333B	1.00	13.49	1.56	13.49
#FFFFFF	13.49	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D313B

Deuteranopia (green-blind)

#272C3B

Tritanopia (blue-blind)

#003635

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #0f333b;
/* rgb */ color: rgb(15, 51, 59);
/* oklch */ color: oklch(29.9% 0.043 215.0);

Tailwind

colors: {
  custom: {
    50: '#546a70',
    500: '#0f333b',
    950: '#000000',
  },
}

SCSS

$custom: #0f333b;
$custom-light: #546a70;
$custom-dark: #000000;

JSON

{
  "hex": "#0f333b",
  "rgb": {
    "r": 15,
    "g": 51,
    "b": 59
  },
  "hsl": {
    "h": 190.909,
    "s": 59.459,
    "l": 14.51
  },
  "oklch": {
    "l": 0.29927,
    "c": 0.04277,
    "h": 215
  },
  "luminance": 0.02785
}

Semantic roles & 50–950 ramp

primary

#0F333B

secondary

#753D30

accent

#6245E3

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030607

muted

#787A7A

Preview Lab

Preview with #0F333B

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

Preview Lab → · Contrast checker → · Palette generator →