#263E55#263E55

#263E55 is a dark, muted cyan. Relative luminance 0.045; OKLCH L 35.5% C 0.050 H 248.4°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#263E55
RGB	rgb(38, 62, 85)
HSL	hsl(209, 38%, 24%)
HSV	hsv(209, 55%, 33%)
CMYK	cmyk(55.3%, 27.1%, 0%, 66.7%)
CIE-LAB	lab(25.30, -1.79, -16.70)
CIE-LCH	lch(25.30, 16.79, 263.87°)
OKLab	oklab(35.51% -0.0185 -0.0467)
OKLCH	oklch(35.51% 0.05 248.4)
XYZ	xyz(4.1611, 4.5129, 9.2444)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263E55 #553D26

analogous

#265555 #263E55 #262755

triadic

#263E55 #55263E #3E5526

tetradic

#263E55 #552655 #553D26 #275526

square

#263E55 #552655 #553D26 #275526

split-complementary

#263E55 #552627 #555526

monochromatic

#090F15 #131F2B #263E55 #395D7F #4C7CAA

Accessibility & contrast

On white

11.04

#263E55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#263E55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263E55

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263E55	#FFFFFF	#000000	##FFFFFF
##263E55	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353F56

Deuteranopia (green-blind)

#2E3A55

Tritanopia (blue-blind)

#0E4346

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #263e55;
/* rgb */ color: rgb(38, 62, 85);
/* oklch */ color: oklch(35.5% 0.050 248.4);

Tailwind

colors: {
  custom: {
    50: '#647385',
    500: '#263e55',
    950: '#000000',
  },
}

SCSS

$custom: #263e55;
$custom-light: #647385;
$custom-dark: #000000;

JSON

{
  "hex": "#263e55",
  "rgb": {
    "r": 38,
    "g": 62,
    "b": 85
  },
  "hsl": {
    "h": 209.362,
    "s": 38.211,
    "l": 24.118
  },
  "oklch": {
    "l": 0.35506,
    "c": 0.0502,
    "h": 248.4
  },
  "luminance": 0.04513
}

Semantic roles & 50–950 ramp

primary

#263E55

secondary

#886B4F

accent

#935ACE

background

#F6F6F8

surface

#EBECEF

border

#C6C7CA

text

#05080B

muted

#7A7B7C

Preview Lab

Preview with #263E55

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

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