#0B234D#0B234D

#0B234D is a dark, moderate blue. Relative luminance 0.018; OKLCH L 26.5% C 0.083 H 260.7°. Best body text is #FFFFFF at 15.42:1 contrast (WCAG AA passes).

Color values

HEX	#0B234D
RGB	rgb(11, 35, 77)
HSL	hsl(218, 75%, 17%)
HSV	hsv(218, 86%, 30%)
CMYK	cmyk(85.7%, 54.5%, 0%, 69.8%)
CIE-LAB	lab(14.45, 8.56, -28.60)
CIE-LCH	lch(14.45, 29.85, 286.67°)
OKLab	oklab(26.53% -0.0135 -0.0822)
OKLCH	oklch(26.53% 0.083 260.7)
XYZ	xyz(2.0781, 1.8088, 7.2593)
Luminance	0.0181 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B234D #4D350B

analogous

#0B444D #0B234D #140B4D

triadic

#0B234D #4D0B23 #234D0B

tetradic

#0B234D #4D0B44 #4D350B #0B4D14

square

#0B234D #4D0B44 #4D350B #0B4D14

split-complementary

#0B234D #4D140B #444D0B

monochromatic

#040C1B #040C1B #0B234D #133B83 #1A54B8

Accessibility & contrast

On white

15.42

#0B234D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#0B234D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B234D

15.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B234D	#FFFFFF	#000000	##FFFFFF
##0B234D	1.00	15.42	1.36	15.42
#FFFFFF	15.42	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A284F

Deuteranopia (green-blind)

#00224C

Tritanopia (blue-blind)

#002D34

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #0b234d;
/* rgb */ color: rgb(11, 35, 77);
/* oklch */ color: oklch(26.5% 0.083 260.7);

Tailwind

colors: {
  custom: {
    50: '#565d7f',
    500: '#0b234d',
    950: '#000000',
  },
}

SCSS

$custom: #0b234d;
$custom-light: #565d7f;
$custom-dark: #000000;

JSON

{
  "hex": "#0b234d",
  "rgb": {
    "r": 11,
    "g": 35,
    "b": 77
  },
  "hsl": {
    "h": 218.182,
    "s": 75,
    "l": 17.255
  },
  "oklch": {
    "l": 0.26531,
    "c": 0.08334,
    "h": 260.7
  },
  "luminance": 0.01809
}

Semantic roles & 50–950 ramp

primary

#0B234D

secondary

#89672B

accent

#AD36F2

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#03040A

muted

#78797C

Preview Lab

Preview with #0B234D

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

Preview Lab → · Contrast checker → · Palette generator →