#05253B#05253B

#05253B is a dark, muted cyan. Relative luminance 0.017; OKLCH L 25.4% C 0.055 H 243.3°. Best body text is #FFFFFF at 15.74:1 contrast (WCAG AA passes).

Color values

HEX	#05253B
RGB	rgb(5, 37, 59)
HSL	hsl(204, 84%, 13%)
HSV	hsv(204, 92%, 23%)
CMYK	cmyk(91.5%, 37.3%, 0%, 76.9%)
CIE-LAB	lab(13.66, -2.04, -17.39)
CIE-LCH	lch(13.66, 17.51, 263.30°)
OKLab	oklab(25.44% -0.0248 -0.0494)
OKLCH	oklch(25.44% 0.055 243.3)
XYZ	xyz(1.5133, 1.6710, 4.3796)
Luminance	0.0167 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05253B #3B1B05

analogous

#053B36 #05253B #050A3B

triadic

#05253B #3B0525 #253B05

tetradic

#05253B #36053B #3B1B05 #0A3B05

square

#05253B #36053B #3B1B05 #0A3B05

split-complementary

#05253B #3B050A #3B3605

monochromatic

#02121C #02121C #05253B #0A4873 #0F6CAC

Accessibility & contrast

On white

15.74

#05253B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#05253B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05253B

15.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05253B	#FFFFFF	#000000	##FFFFFF
##05253B	1.00	15.74	1.33	15.74
#FFFFFF	15.74	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B263C

Deuteranopia (green-blind)

#13213B

Tritanopia (blue-blind)

#002A2D

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #05253b;
/* rgb */ color: rgb(5, 37, 59);
/* oklch */ color: oklch(25.4% 0.055 243.3);

Tailwind

colors: {
  custom: {
    50: '#4f5f71',
    500: '#05253b',
    950: '#000000',
  },
}

SCSS

$custom: #05253b;
$custom-light: #4f5f71;
$custom-dark: #000000;

JSON

{
  "hex": "#05253b",
  "rgb": {
    "r": 5,
    "g": 37,
    "b": 59
  },
  "hsl": {
    "h": 204.444,
    "s": 84.375,
    "l": 12.549
  },
  "oklch": {
    "l": 0.2544,
    "c": 0.05528,
    "h": 243.3
  },
  "luminance": 0.01671
}

Semantic roles & 50–950 ramp

primary

#05253B

secondary

#7C4520

accent

#812DFB

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020407

muted

#78797A

Preview Lab

Preview with #05253B

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

Preview Lab → · Contrast checker → · Palette generator →