#263C55#263C55

#263C55 is a dark, muted cyan. Relative luminance 0.043; OKLCH L 35.0% C 0.052 H 252.4°. Best body text is #FFFFFF at 11.29:1 contrast (WCAG AA passes).

Color values

HEX	#263C55
RGB	rgb(38, 60, 85)
HSL	hsl(212, 38%, 24%)
HSV	hsv(212, 55%, 33%)
CMYK	cmyk(55.3%, 29.4%, 0%, 66.7%)
CIE-LAB	lab(24.64, -0.46, -17.73)
CIE-LCH	lch(24.64, 17.73, 268.51°)
OKLab	oklab(34.99% -0.0157 -0.0496)
OKLCH	oklch(34.99% 0.052 252.4)
XYZ	xyz(4.0543, 4.2994, 9.2088)
Luminance	0.0430 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263C55 #553F26

analogous

#265455 #263C55 #282655

triadic

#263C55 #55263C #3C5526

tetradic

#263C55 #552654 #553F26 #265528

square

#263C55 #552654 #553F26 #265528

split-complementary

#263C55 #552826 #545526

monochromatic

#090F15 #131E2B #263C55 #395A7F #4C78AA

Accessibility & contrast

On white

11.29

#263C55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#263C55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263C55

11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263C55	#FFFFFF	#000000	##FFFFFF
##263C55	1.00	11.29	1.86	11.29
#FFFFFF	11.29	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323D56

Deuteranopia (green-blind)

#2C3854

Tritanopia (blue-blind)

#0F4245

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #263c55;
/* rgb */ color: rgb(38, 60, 85);
/* oklch */ color: oklch(35.0% 0.052 252.4);

Tailwind

colors: {
  custom: {
    50: '#647185',
    500: '#263c55',
    950: '#000000',
  },
}

SCSS

$custom: #263c55;
$custom-light: #647185;
$custom-dark: #000000;

JSON

{
  "hex": "#263c55",
  "rgb": {
    "r": 38,
    "g": 60,
    "b": 85
  },
  "hsl": {
    "h": 211.915,
    "s": 38.211,
    "l": 24.118
  },
  "oklch": {
    "l": 0.34986,
    "c": 0.05207,
    "h": 252.4
  },
  "luminance": 0.043
}

Semantic roles & 50–950 ramp

primary

#263C55

secondary

#886D4F

accent

#985ACE

background

#F6F6F8

surface

#EBECEF

border

#C6C7CA

text

#05070B

muted

#7A7A7C

Preview Lab

Preview with #263C55

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

Preview Lab → · Contrast checker → · Palette generator →