#263C78#263C78

#263C78 is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.3% C 0.106 H 266.2°. Best body text is #FFFFFF at 10.50:1 contrast (WCAG AA passes).

Color values

HEX	#263C78
RGB	rgb(38, 60, 120)
HSL	hsl(224, 52%, 31%)
HSV	hsv(224, 68%, 47%)
CMYK	cmyk(68.3%, 50%, 0%, 52.9%)
CIE-LAB	lab(26.73, 12.70, -36.95)
CIE-LCH	lch(26.73, 39.07, 288.98°)
OKLab	oklab(37.29% -0.007 -0.1058)
OKLCH	oklch(37.29% 0.106 266.2)
XYZ	xyz(5.8042, 4.9993, 18.4247)
Luminance	0.0500 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263C78 #786226

analogous

#266578 #263C78 #392678

triadic

#263C78 #78263C #3C7826

tetradic

#263C78 #782665 #786226 #267839

square

#263C78 #782665 #786226 #267839

split-complementary

#263C78 #783926 #657826

monochromatic

#090E1B #17254A #263C78 #3553A6 #5171C8

Accessibility & contrast

On white

10.50

#263C78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#263C78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263C78

10.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263C78	#FFFFFF	#000000	##FFFFFF
##263C78	1.00	10.50	2.00	10.50
#FFFFFF	10.50	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D437A

Deuteranopia (green-blind)

#0B3C77

Tritanopia (blue-blind)

#004A54

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #263c78;
/* rgb */ color: rgb(38, 60, 120);
/* oklch */ color: oklch(37.3% 0.106 266.2);

Tailwind

colors: {
  custom: {
    50: '#6a719f',
    500: '#263c78',
    950: '#000000',
  },
}

SCSS

$custom: #263c78;
$custom-light: #6a719f;
$custom-dark: #000000;

JSON

{
  "hex": "#263c78",
  "rgb": {
    "r": 38,
    "g": 60,
    "b": 120
  },
  "hsl": {
    "h": 223.902,
    "s": 51.899,
    "l": 30.98
  },
  "oklch": {
    "l": 0.37289,
    "c": 0.10603,
    "h": 266.2
  },
  "luminance": 0.05
}

Semantic roles & 50–950 ramp

primary

#263C78

secondary

#AA9250

accent

#B54CDB

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #263C78

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

Preview Lab → · Contrast checker → · Palette generator →