#0F2F5B#0F2F5B

#0F2F5B is a dark, moderate cyan. Relative luminance 0.029; OKLCH L 30.9% C 0.087 H 257.4°. Best body text is #FFFFFF at 13.31:1 contrast (WCAG AA passes).

Color values

HEX	#0F2F5B
RGB	rgb(15, 47, 91)
HSL	hsl(215, 72%, 21%)
HSV	hsv(215, 84%, 36%)
CMYK	cmyk(83.5%, 48.4%, 0%, 64.3%)
CIE-LAB	lab(19.60, 6.34, -29.73)
CIE-LCH	lch(19.60, 30.39, 282.04°)
OKLab	oklab(30.87% -0.0191 -0.0852)
OKLCH	oklch(30.87% 0.087 257.4)
XYZ	xyz(3.1011, 2.8896, 10.2898)
Luminance	0.0289 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F2F5B #5B3B0F

analogous

#0F555B #0F2F5B #150F5B

triadic

#0F2F5B #5B0F2F #2F5B0F

tetradic

#0F2F5B #5B0F55 #5B3B0F #0F5B15

square

#0F2F5B #5B0F55 #5B3B0F #0F5B15

split-complementary

#0F2F5B #5B150F #555B0F

monochromatic

#040E1A #061426 #0F2F5B #184A90 #2065C4

Accessibility & contrast

On white

13.31

#0F2F5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#0F2F5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F2F5B

13.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F2F5B	#FFFFFF	#000000	##FFFFFF
##0F2F5B	1.00	13.31	1.58	13.31
#FFFFFF	13.31	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18335D

Deuteranopia (green-blind)

#082C5A

Tritanopia (blue-blind)

#003940

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #0f2f5b;
/* rgb */ color: rgb(15, 47, 91);
/* oklch */ color: oklch(30.9% 0.087 257.4);

Tailwind

colors: {
  custom: {
    50: '#5b678a',
    500: '#0f2f5b',
    950: '#000000',
  },
}

SCSS

$custom: #0f2f5b;
$custom-light: #5b678a;
$custom-dark: #000000;

JSON

{
  "hex": "#0f2f5b",
  "rgb": {
    "r": 15,
    "g": 47,
    "b": 91
  },
  "hsl": {
    "h": 214.737,
    "s": 71.698,
    "l": 20.784
  },
  "oklch": {
    "l": 0.30868,
    "c": 0.08735,
    "h": 257.4
  },
  "luminance": 0.0289
}

Semantic roles & 50–950 ramp

primary

#0F2F5B

secondary

#956B31

accent

#A239EE

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#04060B

muted

#797A7C

Preview Lab

Preview with #0F2F5B

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

Preview Lab → · Contrast checker → · Palette generator →