#05263B#05263B

#05263B is a dark, muted cyan. Relative luminance 0.017; OKLCH L 25.7% C 0.054 H 241.5°. Best body text is #FFFFFF at 15.59:1 contrast (WCAG AA passes).

Color values

HEX	#05263B
RGB	rgb(5, 38, 59)
HSL	hsl(203, 84%, 13%)
HSV	hsv(203, 92%, 23%)
CMYK	cmyk(91.5%, 35.6%, 0%, 76.9%)
CIE-LAB	lab(14.03, -2.77, -16.81)
CIE-LCH	lch(14.03, 17.04, 260.66°)
OKLab	oklab(25.73% -0.0259 -0.0477)
OKLCH	oklch(25.73% 0.054 241.5)
XYZ	xyz(1.5448, 1.7341, 4.3901)
Luminance	0.0173 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05263B #3B1A05

analogous

#053B35 #05263B #050B3B

triadic

#05263B #3B0526 #263B05

tetradic

#05263B #35053B #3B1A05 #0B3B05

square

#05263B #35053B #3B1A05 #0B3B05

split-complementary

#05263B #3B050B #3B3505

monochromatic

#02121C #02121C #05263B #0A4A73 #0F6FAC

Accessibility & contrast

On white

15.59

#05263B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#05263B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05263B

15.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05263B	#FFFFFF	#000000	##FFFFFF
##05263B	1.00	15.59	1.35	15.59
#FFFFFF	15.59	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C263C

Deuteranopia (green-blind)

#15213B

Tritanopia (blue-blind)

#002B2D

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #05263b;
/* rgb */ color: rgb(5, 38, 59);
/* oklch */ color: oklch(25.7% 0.054 241.5);

Tailwind

colors: {
  custom: {
    50: '#4f6071',
    500: '#05263b',
    950: '#000000',
  },
}

SCSS

$custom: #05263b;
$custom-light: #4f6071;
$custom-dark: #000000;

JSON

{
  "hex": "#05263b",
  "rgb": {
    "r": 5,
    "g": 38,
    "b": 59
  },
  "hsl": {
    "h": 203.333,
    "s": 84.375,
    "l": 12.549
  },
  "oklch": {
    "l": 0.25732,
    "c": 0.05428,
    "h": 241.5
  },
  "luminance": 0.01734
}

Semantic roles & 50–950 ramp

primary

#05263B

secondary

#7C4420

accent

#7D2DFB

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020407

muted

#78797A

Preview Lab

Preview with #05263B

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

Preview Lab → · Contrast checker → · Palette generator →