#0B3056#0B3056

#0B3056 is a dark, moderate cyan. Relative luminance 0.029; OKLCH L 30.6% C 0.080 H 252.6°. Best body text is #FFFFFF at 13.36:1 contrast (WCAG AA passes).

Color values

HEX	#0B3056
RGB	rgb(11, 48, 86)
HSL	hsl(210, 77%, 19%)
HSV	hsv(210, 87%, 34%)
CMYK	cmyk(87.2%, 44.2%, 0%, 66.3%)
CIE-LAB	lab(19.46, 2.93, -26.63)
CIE-LCH	lch(19.46, 26.79, 276.27°)
OKLab	oklab(30.62% -0.0238 -0.0762)
OKLCH	oklch(30.62% 0.08 252.6)
XYZ	xyz(2.8740, 2.8566, 9.2022)
Luminance	0.0286 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3056 #56310B

analogous

#0B5656 #0B3056 #0C0B56

triadic

#0B3056 #560B30 #30560B

tetradic

#0B3056 #560B56 #56310B #0B560C

square

#0B3056 #560B56 #56310B #0B560C

split-complementary

#0B3056 #560C0B #56560B

monochromatic

#030F1B #041220 #0B3056 #124E8C #196DC3

Accessibility & contrast

On white

13.36

#0B3056 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#0B3056 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3056

13.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3056	#FFFFFF	#000000	##FFFFFF
##0B3056	1.00	13.36	1.57	13.36
#FFFFFF	13.36	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D3358

Deuteranopia (green-blind)

#112C55

Tritanopia (blue-blind)

#00393E

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #0b3056;
/* rgb */ color: rgb(11, 48, 86);
/* oklch */ color: oklch(30.6% 0.080 252.6);

Tailwind

colors: {
  custom: {
    50: '#586786',
    500: '#0b3056',
    950: '#000000',
  },
}

SCSS

$custom: #0b3056;
$custom-light: #586786;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3056",
  "rgb": {
    "r": 11,
    "g": 48,
    "b": 86
  },
  "hsl": {
    "h": 210.4,
    "s": 77.32,
    "l": 19.02
  },
  "oklch": {
    "l": 0.30616,
    "c": 0.0798,
    "h": 252.6
  },
  "luminance": 0.02857
}

Semantic roles & 50–950 ramp

primary

#0B3056

secondary

#915F2B

accent

#9534F4

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04060B

muted

#797A7C

Preview Lab

Preview with #0B3056

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

Preview Lab → · Contrast checker → · Palette generator →