#0D243B#0D243B

#0D243B is a dark, muted cyan. Relative luminance 0.017; OKLCH L 25.5% C 0.052 H 250.6°. Best body text is #FFFFFF at 15.76:1 contrast (WCAG AA passes).

Color values

HEX	#0D243B
RGB	rgb(13, 36, 59)
HSL	hsl(210, 64%, 14%)
HSV	hsv(210, 78%, 23%)
CMYK	cmyk(78%, 39%, 0%, 76.9%)
CIE-LAB	lab(13.61, 0.15, -17.45)
CIE-LCH	lch(13.61, 17.45, 270.48°)
OKLab	oklab(25.49% -0.0174 -0.0495)
OKLCH	oklch(25.49% 0.052 250.6)
XYZ	xyz(1.5860, 1.6629, 4.3742)
Luminance	0.0166 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D243B #3B240D

analogous

#0D3B3B #0D243B #0D0D3B

triadic

#0D243B #3B0D24 #243B0D

tetradic

#0D243B #3B0D3B #3B240D #0D3B0D

square

#0D243B #3B0D3B #3B240D #0D3B0D

split-complementary

#0D243B #3B0D0D #3B3B0D

monochromatic

#060F19 #060F19 #0D243B #18436D #23619F

Accessibility & contrast

On white

15.76

#0D243B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#0D243B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D243B

15.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D243B	#FFFFFF	#000000	##FFFFFF
##0D243B	1.00	15.76	1.33	15.76
#FFFFFF	15.76	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A253C

Deuteranopia (green-blind)

#13213B

Tritanopia (blue-blind)

#00292C

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #0d243b;
/* rgb */ color: rgb(13, 36, 59);
/* oklch */ color: oklch(25.5% 0.052 250.6);

Tailwind

colors: {
  custom: {
    50: '#525e71',
    500: '#0d243b',
    950: '#000000',
  },
}

SCSS

$custom: #0d243b;
$custom-light: #525e71;
$custom-dark: #000000;

JSON

{
  "hex": "#0d243b",
  "rgb": {
    "r": 13,
    "g": 36,
    "b": 59
  },
  "hsl": {
    "h": 210,
    "s": 63.889,
    "l": 14.118
  },
  "oklch": {
    "l": 0.25492,
    "c": 0.05243,
    "h": 250.6
  },
  "luminance": 0.01663
}

Semantic roles & 50–950 ramp

primary

#0D243B

secondary

#77522D

accent

#9441E7

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020407

muted

#78797A

Preview Lab

Preview with #0D243B

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

Preview Lab → · Contrast checker → · Palette generator →