#0B2356#0B2356

#0B2356 is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.3% C 0.097 H 262.7°. Best body text is #FFFFFF at 15.12:1 contrast (WCAG AA passes).

Color values

HEX	#0B2356
RGB	rgb(11, 35, 86)
HSL	hsl(221, 77%, 19%)
HSV	hsv(221, 87%, 34%)
CMYK	cmyk(87.2%, 59.3%, 0%, 66.3%)
CIE-LAB	lab(15.19, 12.60, -33.50)
CIE-LCH	lch(15.19, 35.79, 290.61°)
OKLab	oklab(27.33% -0.0123 -0.0967)
OKLCH	oklch(27.33% 0.097 262.7)
XYZ	xyz(2.4182, 1.9448, 9.0502)
Luminance	0.0194 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B2356 #563E0B

analogous

#0B4956 #0B2356 #190B56

triadic

#0B2356 #560B23 #23560B

tetradic

#0B2356 #560B49 #563E0B #0B5619

square

#0B2356 #560B49 #563E0B #0B5619

split-complementary

#0B2356 #56190B #49560B

monochromatic

#030B1B #040D20 #0B2356 #12398C #194FC3

Accessibility & contrast

On white

15.12

#0B2356 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#0B2356 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B2356

15.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B2356	#FFFFFF	#000000	##FFFFFF
##0B2356	1.00	15.12	1.39	15.12
#FFFFFF	15.12	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A58

Deuteranopia (green-blind)

#002355

Tritanopia (blue-blind)

#003038

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #0b2356;
/* rgb */ color: rgb(11, 35, 86);
/* oklch */ color: oklch(27.3% 0.097 262.7);

Tailwind

colors: {
  custom: {
    50: '#595d86',
    500: '#0b2356',
    950: '#000000',
  },
}

SCSS

$custom: #0b2356;
$custom-light: #595d86;
$custom-dark: #000000;

JSON

{
  "hex": "#0b2356",
  "rgb": {
    "r": 11,
    "g": 35,
    "b": 86
  },
  "hsl": {
    "h": 220.8,
    "s": 77.32,
    "l": 19.02
  },
  "oklch": {
    "l": 0.27334,
    "c": 0.09744,
    "h": 262.7
  },
  "luminance": 0.01945
}

Semantic roles & 50–950 ramp

primary

#0B2356

secondary

#91712B

accent

#B634F4

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04040B

muted

#79797C

Preview Lab

Preview with #0B2356

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

Preview Lab → · Contrast checker → · Palette generator →