#0B2743#0B2743

#0B2743 is a dark, moderate cyan. Relative luminance 0.019; OKLCH L 26.8% C 0.062 H 251.3°. Best body text is #FFFFFF at 15.16:1 contrast (WCAG AA passes).

Color values

HEX	#0B2743
RGB	rgb(11, 39, 67)
HSL	hsl(210, 72%, 15%)
HSV	hsv(210, 84%, 26%)
CMYK	cmyk(83.6%, 41.8%, 0%, 73.7%)
CIE-LAB	lab(15.10, 1.08, -20.68)
CIE-LCH	lch(15.10, 20.70, 272.99°)
OKLab	oklab(26.8% -0.0199 -0.0589)
OKLCH	oklch(26.8% 0.062 251.3)
XYZ	xyz(1.8763, 1.9272, 5.5822)
Luminance	0.0193 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B2743 #43270B

analogous

#0B4343 #0B2743 #0B0B43

triadic

#0B2743 #430B27 #27430B

tetradic

#0B2743 #430B43 #43270B #0B430B

square

#0B2743 #430B43 #43270B #0B430B

split-complementary

#0B2743 #430B0B #43430B

monochromatic

#040F1A #040F1A #0B2743 #144678 #1C64AC

Accessibility & contrast

On white

15.16

#0B2743 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#0B2743 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B2743

15.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B2743	#FFFFFF	#000000	##FFFFFF
##0B2743	1.00	15.16	1.39	15.16
#FFFFFF	15.16	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A2944

Deuteranopia (green-blind)

#122442

Tritanopia (blue-blind)

#002E31

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #0b2743;
/* rgb */ color: rgb(11, 39, 67);
/* oklch */ color: oklch(26.8% 0.062 251.3);

Tailwind

colors: {
  custom: {
    50: '#536077',
    500: '#0b2743',
    950: '#000000',
  },
}

SCSS

$custom: #0b2743;
$custom-light: #536077;
$custom-dark: #000000;

JSON

{
  "hex": "#0b2743",
  "rgb": {
    "r": 11,
    "g": 39,
    "b": 67
  },
  "hsl": {
    "h": 210,
    "s": 71.795,
    "l": 15.294
  },
  "oklch": {
    "l": 0.26803,
    "c": 0.06216,
    "h": 251.3
  },
  "luminance": 0.01927
}

Semantic roles & 50–950 ramp

primary

#0B2743

secondary

#80552A

accent

#9439EF

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030408

muted

#78797B

Preview Lab

Preview with #0B2743

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

Preview Lab → · Contrast checker → · Palette generator →