#0B233E#0B233E

#0B233E is a dark, muted cyan. Relative luminance 0.016; OKLCH L 25.3% C 0.059 H 253.4°. Best body text is #FFFFFF at 15.86:1 contrast (WCAG AA passes).

Color values

HEX	#0B233E
RGB	rgb(11, 35, 62)
HSL	hsl(212, 70%, 14%)
HSV	hsv(212, 82%, 24%)
CMYK	cmyk(82.3%, 43.5%, 0%, 75.7%)
CIE-LAB	lab(13.36, 1.83, -19.96)
CIE-LCH	lch(13.36, 20.05, 275.23°)
OKLab	oklab(25.33% -0.0169 -0.0569)
OKLCH	oklch(25.33% 0.059 253.4)
XYZ	xyz(1.6082, 1.6208, 4.7846)
Luminance	0.0162 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B233E #3E260B

analogous

#0B3D3E #0B233E #0D0B3E

triadic

#0B233E #3E0B23 #233E0B

tetradic

#0B233E #3E0B3D #3E260B #0B3E0D

square

#0B233E #3E0B3D #3E260B #0B3E0D

split-complementary

#0B233E #3E0D0B #3D3E0B

monochromatic

#050F1A #050F1A #0B233E #144072 #1D5EA6

Accessibility & contrast

On white

15.86

#0B233E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#0B233E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B233E

15.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B233E	#FFFFFF	#000000	##FFFFFF
##0B233E	1.00	15.86	1.32	15.86
#FFFFFF	15.86	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17253F

Deuteranopia (green-blind)

#0F203D

Tritanopia (blue-blind)

#00292D

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #0b233e;
/* rgb */ color: rgb(11, 35, 62);
/* oklch */ color: oklch(25.3% 0.059 253.4);

Tailwind

colors: {
  custom: {
    50: '#525d73',
    500: '#0b233e',
    950: '#000000',
  },
}

SCSS

$custom: #0b233e;
$custom-light: #525d73;
$custom-dark: #000000;

JSON

{
  "hex": "#0b233e",
  "rgb": {
    "r": 11,
    "g": 35,
    "b": 62
  },
  "hsl": {
    "h": 211.765,
    "s": 69.863,
    "l": 14.314
  },
  "oklch": {
    "l": 0.25333,
    "c": 0.05932,
    "h": 253.4
  },
  "luminance": 0.01621
}

Semantic roles & 50–950 ramp

primary

#0B233E

secondary

#7B552A

accent

#993BED

background

#F4F5F7

surface

#E7E9ED

border

#C3C5C8

text

#020408

muted

#78797B

Preview Lab

Preview with #0B233E

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

Preview Lab → · Contrast checker → · Palette generator →