#263C53#263C53

#263C53 is a dark, muted cyan. Relative luminance 0.043; OKLCH L 34.9% C 0.049 H 250.4°. Best body text is #FFFFFF at 11.33:1 contrast (WCAG AA passes).

Color values

HEX	#263C53
RGB	rgb(38, 60, 83)
HSL	hsl(211, 37%, 24%)
HSV	hsv(211, 54%, 33%)
CMYK	cmyk(54.2%, 27.7%, 0%, 67.5%)
CIE-LAB	lab(24.54, -1.17, -16.56)
CIE-LCH	lch(24.54, 16.61, 265.98°)
OKLab	oklab(34.88% -0.0164 -0.0463)
OKLCH	oklch(34.88% 0.049 250.4)
XYZ	xyz(3.9760, 4.2680, 8.7962)
Luminance	0.0427 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263C53 #533D26

analogous

#265253 #263C53 #262653

triadic

#263C53 #53263C #3C5326

tetradic

#263C53 #532652 #533D26 #265326

square

#263C53 #532652 #533D26 #265326

split-complementary

#263C53 #532626 #525326

monochromatic

#0A0F15 #131E29 #263C53 #395A7D #4C79A7

Accessibility & contrast

On white

11.33

#263C53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#263C53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263C53

11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263C53	#FFFFFF	#000000	##FFFFFF
##263C53	1.00	11.33	1.85	11.33
#FFFFFF	11.33	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333D54

Deuteranopia (green-blind)

#2D3853

Tritanopia (blue-blind)

#114144

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #263c53;
/* rgb */ color: rgb(38, 60, 83);
/* oklch */ color: oklch(34.9% 0.049 250.4);

Tailwind

colors: {
  custom: {
    50: '#637183',
    500: '#263c53',
    950: '#000000',
  },
}

SCSS

$custom: #263c53;
$custom-light: #637183;
$custom-dark: #000000;

JSON

{
  "hex": "#263c53",
  "rgb": {
    "r": 38,
    "g": 60,
    "b": 83
  },
  "hsl": {
    "h": 210.667,
    "s": 37.19,
    "l": 23.725
  },
  "oklch": {
    "l": 0.34876,
    "c": 0.04914,
    "h": 250.4
  },
  "luminance": 0.04268
}

Semantic roles & 50–950 ramp

primary

#263C53

secondary

#866B4F

accent

#955BCD

background

#F6F6F8

surface

#EBECEF

border

#C6C7CA

text

#05070A

muted

#7A7A7C

Preview Lab

Preview with #263C53

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

Preview Lab → · Contrast checker → · Palette generator →