#0B234C#0B234C

#0B234C is a dark, moderate blue. Relative luminance 0.018; OKLCH L 26.4% C 0.082 H 260.4°. Best body text is #FFFFFF at 15.45:1 contrast (WCAG AA passes).

Color values

HEX	#0B234C
RGB	rgb(11, 35, 76)
HSL	hsl(218, 75%, 17%)
HSV	hsv(218, 86%, 30%)
CMYK	cmyk(85.5%, 53.9%, 0%, 70.2%)
CIE-LAB	lab(14.37, 8.11, -28.04)
CIE-LCH	lch(14.37, 29.19, 286.14°)
OKLab	oklab(26.45% -0.0136 -0.0806)
OKLCH	oklch(26.45% 0.082 260.4)
XYZ	xyz(2.0431, 1.7948, 7.0748)
Luminance	0.0180 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B234C #4C340B

analogous

#0B444C #0B234C #130B4C

triadic

#0B234C #4C0B23 #234C0B

tetradic

#0B234C #4C0B44 #4C340B #0B4C13

square

#0B234C #4C0B44 #4C340B #0B4C13

split-complementary

#0B234C #4C130B #444C0B

monochromatic

#040C1B #040C1B #0B234C #133C81 #1A54B7

Accessibility & contrast

On white

15.45

#0B234C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#0B234C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B234C

15.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B234C	#FFFFFF	#000000	##FFFFFF
##0B234C	1.00	15.45	1.36	15.45
#FFFFFF	15.45	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B284E

Deuteranopia (green-blind)

#00224B

Tritanopia (blue-blind)

#002D33

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #0b234c;
/* rgb */ color: rgb(11, 35, 76);
/* oklch */ color: oklch(26.4% 0.082 260.4);

Tailwind

colors: {
  custom: {
    50: '#565d7e',
    500: '#0b234c',
    950: '#000000',
  },
}

SCSS

$custom: #0b234c;
$custom-light: #565d7e;
$custom-dark: #000000;

JSON

{
  "hex": "#0b234c",
  "rgb": {
    "r": 11,
    "g": 35,
    "b": 76
  },
  "hsl": {
    "h": 217.846,
    "s": 74.713,
    "l": 17.059
  },
  "oklch": {
    "l": 0.26446,
    "c": 0.08175,
    "h": 260.4
  },
  "luminance": 0.01795
}

Semantic roles & 50–950 ramp

primary

#0B234C

secondary

#88662B

accent

#AC36F1

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#03040A

muted

#78797C

Preview Lab

Preview with #0B234C

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

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