#0B034E#0B034E

#0B034E is a very dark, vivid blue. Relative luminance 0.007; OKLCH L 20.4% C 0.125 H 272.3°. Best body text is #FFFFFF at 18.47:1 contrast (WCAG AA passes).

Color values

HEX	#0B034E
RGB	rgb(11, 3, 78)
HSL	hsl(246, 93%, 16%)
HSV	hsv(246, 96%, 31%)
CMYK	cmyk(85.9%, 96.2%, 0%, 69.4%)
CIE-LAB	lab(6.20, 30.98, -42.82)
CIE-LCH	lch(6.20, 52.85, 305.89°)
OKLab	oklab(20.45% 0.005 -0.1245)
OKLCH	oklch(20.45% 0.125 272.3)
XYZ	xyz(1.5453, 0.6862, 7.2573)
Luminance	0.0069 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B034E #464E03

analogous

#03204E #0B034E #30034E

triadic

#0B034E #4E0B03 #034E0B

tetradic

#0B034E #4E0320 #464E03 #034E30

square

#0B034E #4E0320 #464E03 #034E30

split-complementary

#0B034E #4E3003 #204E03

monochromatic

#04011D #04011D #0B034E #130589 #1C08C4

Accessibility & contrast

On white

18.47

#0B034E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#0B034E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B034E

18.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B034E	#FFFFFF	#000000	##FFFFFF
##0B034E	1.00	18.47	1.14	18.47
#FFFFFF	18.47	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001750

Deuteranopia (green-blind)

#00104D

Tritanopia (blue-blind)

#001C2B

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #0b034e;
/* rgb */ color: rgb(11, 3, 78);
/* oklch */ color: oklch(20.4% 0.125 272.3);

Tailwind

colors: {
  custom: {
    50: '#5a4681',
    500: '#0b034e',
    950: '#000000',
  },
}

SCSS

$custom: #0b034e;
$custom-light: #5a4681;
$custom-dark: #000000;

JSON

{
  "hex": "#0b034e",
  "rgb": {
    "r": 11,
    "g": 3,
    "b": 78
  },
  "hsl": {
    "h": 246.4,
    "s": 92.593,
    "l": 15.882
  },
  "oklch": {
    "l": 0.20445,
    "c": 0.12461,
    "h": 272.3
  },
  "luminance": 0.00686
}

Semantic roles & 50–950 ramp

primary

#0B034E

secondary

#828E1E

accent

#FF29E8

background

#F5F4F7

surface

#E9E6EE

border

#C5C2C9

text

#04000A

muted

#79777C

Preview Lab

Preview with #0B034E

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

Preview Lab → · Contrast checker → · Palette generator →