#263E78#263E78

#263E78 is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.7% C 0.103 H 265.0°. Best body text is #FFFFFF at 10.28:1 contrast (WCAG AA passes).

Color values

HEX	#263E78
RGB	rgb(38, 62, 120)
HSL	hsl(222, 52%, 31%)
HSV	hsv(222, 68%, 47%)
CMYK	cmyk(68.3%, 48.3%, 0%, 52.9%)
CIE-LAB	lab(27.33, 11.32, -35.98)
CIE-LCH	lch(27.33, 37.72, 287.46°)
OKLab	oklab(37.75% -0.0091 -0.1029)
OKLCH	oklch(37.75% 0.103 265)
XYZ	xyz(5.9109, 5.2128, 18.4603)
Luminance	0.0521 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263E78 #786026

analogous

#266778 #263E78 #372678

triadic

#263E78 #78263E #3E7826

tetradic

#263E78 #782667 #786026 #267837

square

#263E78 #782667 #786026 #267837

split-complementary

#263E78 #783726 #677826

monochromatic

#090E1B #17264A #263E78 #3556A6 #5173C8

Accessibility & contrast

On white

10.28

#263E78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#263E78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263E78

10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263E78	#FFFFFF	#000000	##FFFFFF
##263E78	1.00	10.28	2.04	10.28
#FFFFFF	10.28	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21457A

Deuteranopia (green-blind)

#113D77

Tritanopia (blue-blind)

#004B55

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #263e78;
/* rgb */ color: rgb(38, 62, 120);
/* oklch */ color: oklch(37.7% 0.103 265.0);

Tailwind

colors: {
  custom: {
    50: '#6a729f',
    500: '#263e78',
    950: '#000000',
  },
}

SCSS

$custom: #263e78;
$custom-light: #6a729f;
$custom-dark: #000000;

JSON

{
  "hex": "#263e78",
  "rgb": {
    "r": 38,
    "g": 62,
    "b": 120
  },
  "hsl": {
    "h": 222.439,
    "s": 51.899,
    "l": 30.98
  },
  "oklch": {
    "l": 0.37747,
    "c": 0.10333,
    "h": 265
  },
  "luminance": 0.05213
}

Semantic roles & 50–950 ramp

primary

#263E78

secondary

#AA9050

accent

#B24CDB

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #263E78

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

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