#0B2F43#0B2F43

#0B2F43 is a dark, muted cyan. Relative luminance 0.025; OKLCH L 29.1% C 0.054 H 237.5°. Best body text is #FFFFFF at 13.98:1 contrast (WCAG AA passes).

Color values

HEX	#0B2F43
RGB	rgb(11, 47, 67)
HSL	hsl(201, 72%, 15%)
HSV	hsv(201, 84%, 26%)
CMYK	cmyk(83.6%, 29.9%, 0%, 73.7%)
CIE-LAB	lab(17.96, -4.60, -16.17)
CIE-LCH	lch(17.96, 16.81, 254.13°)
OKLab	oklab(29.06% -0.0291 -0.0456)
OKLCH	oklch(29.06% 0.054 237.5)
XYZ	xyz(2.1672, 2.5092, 5.6792)
Luminance	0.0251 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B2F43 #431F0B

analogous

#0B433B #0B2F43 #0B1343

triadic

#0B2F43 #430B2F #2F430B

tetradic

#0B2F43 #3B0B43 #431F0B #13430B

square

#0B2F43 #3B0B43 #431F0B #13430B

split-complementary

#0B2F43 #430B13 #433B0B

monochromatic

#04121A #04121A #0B2F43 #145478 #1C79AC

Accessibility & contrast

On white

13.98

#0B2F43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#0B2F43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B2F43

13.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B2F43	#FFFFFF	#000000	##FFFFFF
##0B2F43	1.00	13.98	1.50	13.98
#FFFFFF	13.98	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252F44

Deuteranopia (green-blind)

#1E2A43

Tritanopia (blue-blind)

#003436

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #0b2f43;
/* rgb */ color: rgb(11, 47, 67);
/* oklch */ color: oklch(29.1% 0.054 237.5);

Tailwind

colors: {
  custom: {
    50: '#536777',
    500: '#0b2f43',
    950: '#000000',
  },
}

SCSS

$custom: #0b2f43;
$custom-light: #536777;
$custom-dark: #000000;

JSON

{
  "hex": "#0b2f43",
  "rgb": {
    "r": 11,
    "g": 47,
    "b": 67
  },
  "hsl": {
    "h": 201.429,
    "s": 71.795,
    "l": 15.294
  },
  "oklch": {
    "l": 0.29059,
    "c": 0.05411,
    "h": 237.5
  },
  "luminance": 0.02509
}

Semantic roles & 50–950 ramp

primary

#0B2F43

secondary

#80492A

accent

#7A39EF

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030608

muted

#787A7B

Preview Lab

Preview with #0B2F43

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

Preview Lab → · Contrast checker → · Palette generator →