#0D233B#0D233B

#0D233B is a dark, muted cyan. Relative luminance 0.016; OKLCH L 25.2% C 0.054 H 252.5°. Best body text is #FFFFFF at 15.90:1 contrast (WCAG AA passes).

Color values

HEX	#0D233B
RGB	rgb(13, 35, 59)
HSL	hsl(211, 64%, 14%)
HSV	hsv(211, 78%, 23%)
CMYK	cmyk(78%, 40.7%, 0%, 76.9%)
CIE-LAB	lab(13.25, 0.88, -18.02)
CIE-LCH	lch(13.25, 18.04, 272.81°)
OKLab	oklab(25.21% -0.0162 -0.0511)
OKLCH	oklch(25.21% 0.054 252.5)
XYZ	xyz(1.5561, 1.6032, 4.3643)
Luminance	0.0160 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D233B #3B250D

analogous

#0D3A3B #0D233B #0E0D3B

triadic

#0D233B #3B0D23 #233B0D

tetradic

#0D233B #3B0D3A #3B250D #0D3B0E

square

#0D233B #3B0D3A #3B250D #0D3B0E

split-complementary

#0D233B #3B0E0D #3A3B0D

monochromatic

#060F19 #060F19 #0D233B #18416D #235F9F

Accessibility & contrast

On white

15.90

#0D233B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#0D233B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D233B

15.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D233B	#FFFFFF	#000000	##FFFFFF
##0D233B	1.00	15.90	1.32	15.90
#FFFFFF	15.90	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18243C

Deuteranopia (green-blind)

#12203B

Tritanopia (blue-blind)

#00292C

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #0d233b;
/* rgb */ color: rgb(13, 35, 59);
/* oklch */ color: oklch(25.2% 0.054 252.5);

Tailwind

colors: {
  custom: {
    50: '#525d71',
    500: '#0d233b',
    950: '#000000',
  },
}

SCSS

$custom: #0d233b;
$custom-light: #525d71;
$custom-dark: #000000;

JSON

{
  "hex": "#0d233b",
  "rgb": {
    "r": 13,
    "g": 35,
    "b": 59
  },
  "hsl": {
    "h": 211.304,
    "s": 63.889,
    "l": 14.118
  },
  "oklch": {
    "l": 0.25211,
    "c": 0.05362,
    "h": 252.5
  },
  "luminance": 0.01603
}

Semantic roles & 50–950 ramp

primary

#0D233B

secondary

#77532D

accent

#9841E7

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020407

muted

#78797A

Preview Lab

Preview with #0D233B

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

Preview Lab → · Contrast checker → · Palette generator →