#0B234E#0B234E

#0B234E is a dark, moderate blue. Relative luminance 0.018; OKLCH L 26.6% C 0.085 H 261.0°. Best body text is #FFFFFF at 15.39:1 contrast (WCAG AA passes).

Color values

HEX	#0B234E
RGB	rgb(11, 35, 78)
HSL	hsl(219, 75%, 17%)
HSV	hsv(219, 86%, 31%)
CMYK	cmyk(85.9%, 55.1%, 0%, 69.4%)
CIE-LAB	lab(14.53, 9.01, -29.15)
CIE-LCH	lch(14.53, 30.51, 287.18°)
OKLab	oklab(26.62% -0.0133 -0.0839)
OKLCH	oklch(26.62% 0.085 261)
XYZ	xyz(2.1137, 1.8230, 7.4467)
Luminance	0.0182 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B234E #4E360B

analogous

#0B454E #0B234E #140B4E

triadic

#0B234E #4E0B23 #234E0B

tetradic

#0B234E #4E0B45 #4E360B #0B4E14

square

#0B234E #4E0B45 #4E360B #0B4E14

split-complementary

#0B234E #4E140B #454E0B

monochromatic

#040C1B #040C1B #0B234E #133B84 #1A53B9

Accessibility & contrast

On white

15.39

#0B234E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#0B234E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B234E

15.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B234E	#FFFFFF	#000000	##FFFFFF
##0B234E	1.00	15.39	1.36	15.39
#FFFFFF	15.39	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#092850

Deuteranopia (green-blind)

#00224D

Tritanopia (blue-blind)

#002D34

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #0b234e;
/* rgb */ color: rgb(11, 35, 78);
/* oklch */ color: oklch(26.6% 0.085 261.0);

Tailwind

colors: {
  custom: {
    50: '#565d80',
    500: '#0b234e',
    950: '#000000',
  },
}

SCSS

$custom: #0b234e;
$custom-light: #565d80;
$custom-dark: #000000;

JSON

{
  "hex": "#0b234e",
  "rgb": {
    "r": 11,
    "g": 35,
    "b": 78
  },
  "hsl": {
    "h": 218.507,
    "s": 75.281,
    "l": 17.451
  },
  "oklch": {
    "l": 0.26617,
    "c": 0.08493,
    "h": 261
  },
  "luminance": 0.01823
}

Semantic roles & 50–950 ramp

primary

#0B234E

secondary

#8A682B

accent

#AF36F2

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#03040A

muted

#78797C

Preview Lab

Preview with #0B234E

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

Preview Lab → · Contrast checker → · Palette generator →