#0B234A#0B234A

#0B234A is a dark, moderate blue. Relative luminance 0.018; OKLCH L 26.3% C 0.079 H 259.7°. Best body text is #FFFFFF at 15.51:1 contrast (WCAG AA passes).

Color values

HEX	#0B234A
RGB	rgb(11, 35, 74)
HSL	hsl(217, 74%, 17%)
HSV	hsv(217, 85%, 29%)
CMYK	cmyk(85.1%, 52.7%, 0%, 71%)
CIE-LAB	lab(14.22, 7.21, -26.92)
CIE-LCH	lch(14.22, 27.87, 285.00°)
OKLab	oklab(26.28% -0.014 -0.0773)
OKLCH	oklch(26.28% 0.079 259.7)
XYZ	xyz(1.9746, 1.7674, 6.7143)
Luminance	0.0177 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B234A #4A320B

analogous

#0B434A #0B234A #130B4A

triadic

#0B234A #4A0B23 #234A0B

tetradic

#0B234A #4A0B43 #4A320B #0B4A13

square

#0B234A #4A0B43 #4A320B #0B4A13

split-complementary

#0B234A #4A130B #434A0B

monochromatic

#040D1B #040D1B #0B234A #133C7F #1B55B5

Accessibility & contrast

On white

15.51

#0B234A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#0B234A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B234A

15.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B234A	#FFFFFF	#000000	##FFFFFF
##0B234A	1.00	15.51	1.35	15.51
#FFFFFF	15.51	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D274B

Deuteranopia (green-blind)

#002149

Tritanopia (blue-blind)

#002C32

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #0b234a;
/* rgb */ color: rgb(11, 35, 74);
/* oklch */ color: oklch(26.3% 0.079 259.7);

Tailwind

colors: {
  custom: {
    50: '#555d7d',
    500: '#0b234a',
    950: '#000000',
  },
}

SCSS

$custom: #0b234a;
$custom-light: #555d7d;
$custom-dark: #000000;

JSON

{
  "hex": "#0b234a",
  "rgb": {
    "r": 11,
    "g": 35,
    "b": 74
  },
  "hsl": {
    "h": 217.143,
    "s": 74.118,
    "l": 16.667
  },
  "oklch": {
    "l": 0.26277,
    "c": 0.07856,
    "h": 259.7
  },
  "luminance": 0.01768
}

Semantic roles & 50–950 ramp

primary

#0B234A

secondary

#86632B

accent

#AA37F1

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#030409

muted

#78797B

Preview Lab

Preview with #0B234A

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

Preview Lab → · Contrast checker → · Palette generator →