#263A66#263A66

#263A66 is a dark, moderate blue. Relative luminance 0.044; OKLCH L 35.5% C 0.081 H 264.3°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#263A66
RGB	rgb(38, 58, 102)
HSL	hsl(221, 46%, 27%)
HSV	hsv(221, 63%, 40%)
CMYK	cmyk(62.7%, 43.1%, 0%, 60%)
CIE-LAB	lab(24.94, 7.17, -28.31)
CIE-LCH	lch(24.94, 29.21, 284.21°)
OKLab	oklab(35.53% -0.0081 -0.0805)
OKLCH	oklch(35.53% 0.081 264.3)
XYZ	xyz(4.7098, 4.3971, 13.1683)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263A66 #665226

analogous

#265A66 #263A66 #322666

triadic

#263A66 #66263A #3A6626

tetradic

#263A66 #66265A #665226 #266632

square

#263A66 #66265A #665226 #266632

split-complementary

#263A66 #663226 #5A6626

monochromatic

#080D16 #152139 #263A66 #375393 #4B6EBC

Accessibility & contrast

On white

11.17

#263A66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#263A66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263A66

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263A66	#FFFFFF	#000000	##FFFFFF
##263A66	1.00	11.17	1.88	11.17
#FFFFFF	11.17	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#273E68

Deuteranopia (green-blind)

#1E3865

Tritanopia (blue-blind)

#00444B

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #263a66;
/* rgb */ color: rgb(38, 58, 102);
/* oklch */ color: oklch(35.5% 0.081 264.3);

Tailwind

colors: {
  custom: {
    50: '#676f92',
    500: '#263a66',
    950: '#000000',
  },
}

SCSS

$custom: #263a66;
$custom-light: #676f92;
$custom-dark: #000000;

JSON

{
  "hex": "#263a66",
  "rgb": {
    "r": 38,
    "g": 58,
    "b": 102
  },
  "hsl": {
    "h": 221.25,
    "s": 45.714,
    "l": 27.451
  },
  "oklch": {
    "l": 0.35535,
    "c": 0.08088,
    "h": 264.3
  },
  "luminance": 0.04397
}

Semantic roles & 50–950 ramp

primary

#263A66

secondary

#99824F

accent

#AC52D5

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #263A66

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

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