#263E79#263E79

#263E79 is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.8% C 0.105 H 265.1°. Best body text is #FFFFFF at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#263E79
RGB	rgb(38, 62, 121)
HSL	hsl(223, 52%, 31%)
HSV	hsv(223, 69%, 47%)
CMYK	cmyk(68.6%, 48.8%, 0%, 52.5%)
CIE-LAB	lab(27.40, 11.71, -36.50)
CIE-LCH	lch(27.40, 38.34, 287.78°)
OKLab	oklab(37.82% -0.0089 -0.1045)
OKLCH	oklch(37.82% 0.105 265.1)
XYZ	xyz(5.9719, 5.2372, 18.7816)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263E79 #796126

analogous

#266779 #263E79 #372679

triadic

#263E79 #79263E #3E7926

tetradic

#263E79 #792667 #796126 #267937

square

#263E79 #792667 #796126 #267937

split-complementary

#263E79 #793726 #677926

monochromatic

#090E1C #17264A #263E79 #3556A8 #5174C8

Accessibility & contrast

On white

10.26

#263E79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#263E79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263E79

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263E79	#FFFFFF	#000000	##FFFFFF
##263E79	1.00	10.26	2.05	10.26
#FFFFFF	10.26	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20457B

Deuteranopia (green-blind)

#103D78

Tritanopia (blue-blind)

#004C55

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #263e79;
/* rgb */ color: rgb(38, 62, 121);
/* oklch */ color: oklch(37.8% 0.105 265.1);

Tailwind

colors: {
  custom: {
    50: '#6a72a0',
    500: '#263e79',
    950: '#000000',
  },
}

SCSS

$custom: #263e79;
$custom-light: #6a72a0;
$custom-dark: #000000;

JSON

{
  "hex": "#263e79",
  "rgb": {
    "r": 38,
    "g": 62,
    "b": 121
  },
  "hsl": {
    "h": 222.651,
    "s": 52.201,
    "l": 31.176
  },
  "oklch": {
    "l": 0.37821,
    "c": 0.10485,
    "h": 265.1
  },
  "luminance": 0.05238
}

Semantic roles & 50–950 ramp

primary

#263E79

secondary

#AB9150

accent

#B24CDC

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07080F

muted

#7A7B7E

Preview Lab

Preview with #263E79

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

Preview Lab → · Contrast checker → · Palette generator →