#0F2839#0F2839

#0F2839 is a dark, muted cyan. Relative luminance 0.019; OKLCH L 26.6% C 0.044 H 240.9°. Best body text is #FFFFFF at 15.18:1 contrast (WCAG AA passes).

Color values

HEX	#0F2839
RGB	rgb(15, 40, 57)
HSL	hsl(204, 58%, 14%)
HSV	hsv(204, 74%, 22%)
CMYK	cmyk(73.7%, 29.8%, 0%, 77.6%)
CIE-LAB	lab(15.03, -3.15, -13.81)
CIE-LCH	lch(15.03, 14.16, 257.14°)
OKLab	oklab(26.6% -0.0216 -0.0388)
OKLCH	oklch(26.6% 0.044 240.9)
XYZ	xyz(1.6940, 1.9144, 4.1503)
Luminance	0.0192 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F2839 #39200F

analogous

#0F3935 #0F2839 #0F1339

triadic

#0F2839 #390F28 #28390F

tetradic

#0F2839 #350F39 #39200F #13390F

square

#0F2839 #350F39 #39200F #13390F

split-complementary

#0F2839 #390F13 #39350F

monochromatic

#061118 #061118 #0F2839 #1C4A69 #296C9A

Accessibility & contrast

On white

15.18

#0F2839 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#0F2839 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F2839

15.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F2839	#FFFFFF	#000000	##FFFFFF
##0F2839	1.00	15.18	1.38	15.18
#FFFFFF	15.18	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20283A

Deuteranopia (green-blind)

#1B2439

Tritanopia (blue-blind)

#002C2E

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #0f2839;
/* rgb */ color: rgb(15, 40, 57);
/* oklch */ color: oklch(26.6% 0.044 240.9);

Tailwind

colors: {
  custom: {
    50: '#53616f',
    500: '#0f2839',
    950: '#000000',
  },
}

SCSS

$custom: #0f2839;
$custom-light: #53616f;
$custom-dark: #000000;

JSON

{
  "hex": "#0f2839",
  "rgb": {
    "r": 15,
    "g": 40,
    "b": 57
  },
  "hsl": {
    "h": 204.286,
    "s": 58.333,
    "l": 14.118
  },
  "oklch": {
    "l": 0.26601,
    "c": 0.0444,
    "h": 240.9
  },
  "luminance": 0.01915
}

Semantic roles & 50–950 ramp

primary

#0F2839

secondary

#734C30

accent

#8546E2

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020507

muted

#78797A

Preview Lab

Preview with #0F2839

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

Preview Lab → · Contrast checker → · Palette generator →