#263D78#263D78

#263D78 is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.5% C 0.105 H 265.6°. Best body text is #FFFFFF at 10.39:1 contrast (WCAG AA passes).

Color values

HEX	#263D78
RGB	rgb(38, 61, 120)
HSL	hsl(223, 52%, 31%)
HSV	hsv(223, 68%, 47%)
CMYK	cmyk(68.3%, 49.2%, 0%, 52.9%)
CIE-LAB	lab(27.03, 12.01, -36.46)
CIE-LCH	lch(27.03, 38.39, 288.23°)
OKLab	oklab(37.52% -0.008 -0.1044)
OKLCH	oklch(37.52% 0.105 265.6)
XYZ	xyz(5.8571, 5.1051, 18.4424)
Luminance	0.0511 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263D78 #786126

analogous

#266678 #263D78 #382678

triadic

#263D78 #78263D #3D7826

tetradic

#263D78 #782666 #786126 #267838

square

#263D78 #782666 #786126 #267838

split-complementary

#263D78 #783826 #667826

monochromatic

#090E1B #17254A #263D78 #3555A6 #5172C8

Accessibility & contrast

On white

10.39

#263D78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#263D78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263D78

10.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263D78	#FFFFFF	#000000	##FFFFFF
##263D78	1.00	10.39	2.02	10.39
#FFFFFF	10.39	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F447A

Deuteranopia (green-blind)

#0E3C77

Tritanopia (blue-blind)

#004B54

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #263d78;
/* rgb */ color: rgb(38, 61, 120);
/* oklch */ color: oklch(37.5% 0.105 265.6);

Tailwind

colors: {
  custom: {
    50: '#6a729f',
    500: '#263d78',
    950: '#000000',
  },
}

SCSS

$custom: #263d78;
$custom-light: #6a729f;
$custom-dark: #000000;

JSON

{
  "hex": "#263d78",
  "rgb": {
    "r": 38,
    "g": 61,
    "b": 120
  },
  "hsl": {
    "h": 223.171,
    "s": 51.899,
    "l": 30.98
  },
  "oklch": {
    "l": 0.37517,
    "c": 0.10468,
    "h": 265.6
  },
  "luminance": 0.05106
}

Semantic roles & 50–950 ramp

primary

#263D78

secondary

#AA9150

accent

#B34CDB

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #263D78

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

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