#263F78#263F78

#263F78 is a dark, moderate blue. Relative luminance 0.053; OKLCH L 38.0% C 0.102 H 264.3°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#263F78
RGB	rgb(38, 63, 120)
HSL	hsl(222, 52%, 31%)
HSV	hsv(222, 68%, 47%)
CMYK	cmyk(68.3%, 47.5%, 0%, 52.9%)
CIE-LAB	lab(27.63, 10.63, -35.50)
CIE-LCH	lch(27.63, 37.05, 286.67°)
OKLab	oklab(37.98% -0.0101 -0.1015)
OKLCH	oklch(37.98% 0.102 264.3)
XYZ	xyz(5.9658, 5.3226, 18.4786)
Luminance	0.0532 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263F78 #785F26

analogous

#266878 #263F78 #362678

triadic

#263F78 #78263F #3F7826

tetradic

#263F78 #782668 #785F26 #267836

square

#263F78 #782668 #785F26 #267836

split-complementary

#263F78 #783626 #687826

monochromatic

#090E1B #17274A #263F78 #3557A6 #5175C8

Accessibility & contrast

On white

10.17

#263F78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#263F78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263F78

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263F78	#FFFFFF	#000000	##FFFFFF
##263F78	1.00	10.17	2.06	10.17
#FFFFFF	10.17	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23457A

Deuteranopia (green-blind)

#143E77

Tritanopia (blue-blind)

#004C55

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #263f78;
/* rgb */ color: rgb(38, 63, 120);
/* oklch */ color: oklch(38.0% 0.102 264.3);

Tailwind

colors: {
  custom: {
    50: '#6a739f',
    500: '#263f78',
    950: '#000000',
  },
}

SCSS

$custom: #263f78;
$custom-light: #6a739f;
$custom-dark: #000000;

JSON

{
  "hex": "#263f78",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 120
  },
  "hsl": {
    "h": 221.707,
    "s": 51.899,
    "l": 30.98
  },
  "oklch": {
    "l": 0.37979,
    "c": 0.102,
    "h": 264.3
  },
  "luminance": 0.05323
}

Semantic roles & 50–950 ramp

primary

#263F78

secondary

#AA8F50

accent

#B04CDB

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #263F78

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

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