#263F9E#263F9E

#263F9E is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.0% C 0.157 H 267.6°. Best body text is #FFFFFF at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#263F9E
RGB	rgb(38, 63, 158)
HSL	hsl(228, 61%, 38%)
HSV	hsv(228, 76%, 62%)
CMYK	cmyk(75.9%, 60.1%, 0%, 38%)
CIE-LAB	lab(30.48, 25.37, -54.36)
CIE-LCH	lch(30.48, 59.99, 295.02°)
OKLab	oklab(41.04% -0.0067 -0.157)
OKLCH	oklch(41.04% 0.157 267.6)
XYZ	xyz(8.7462, 6.4348, 33.1222)
Luminance	0.0644 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263F9E #9E8526

analogous

#267B9E #263F9E #49269E

triadic

#263F9E #9E263F #3F9E26

tetradic

#263F9E #9E267B #9E8526 #269E49

square

#263F9E #9E267B #9E8526 #269E49

split-complementary

#263F9E #9E4926 #7B9E26

monochromatic

#0E183B #1A2B6D #263F9E #3353CE #657DDA

Accessibility & contrast

On white

9.18

#263F9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#263F9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263F9E

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263F9E	#FFFFFF	#000000	##FFFFFF
##263F9E	1.00	9.18	2.29	9.18
#FFFFFF	9.18	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA1

Deuteranopia (green-blind)

#00429C

Tritanopia (blue-blind)

#005768

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #263f9e;
/* rgb */ color: rgb(38, 63, 158);
/* oklch */ color: oklch(41.0% 0.157 267.6);

Tailwind

colors: {
  custom: {
    50: '#7373bb',
    500: '#263f9e',
    950: '#000000',
  },
}

SCSS

$custom: #263f9e;
$custom-light: #7373bb;
$custom-dark: #000000;

JSON

{
  "hex": "#263f9e",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 158
  },
  "hsl": {
    "h": 227.5,
    "s": 61.224,
    "l": 38.431
  },
  "oklch": {
    "l": 0.41035,
    "c": 0.15711,
    "h": 267.6
  },
  "luminance": 0.06436
}

Semantic roles & 50–950 ramp

primary

#263F9E

secondary

#C0AC60

accent

#C343E4

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #263F9E

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

Preview Lab → · Contrast checker → · Palette generator →