#263CA8#263CA8

#263CA8 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.4% C 0.174 H 268.4°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#263CA8
RGB	rgb(38, 60, 168)
HSL	hsl(230, 63%, 40%)
HSV	hsv(230, 77%, 66%)
CMYK	cmyk(77.4%, 64.3%, 0%, 34.1%)
CIE-LAB	lab(30.57, 31.16, -60.26)
CIE-LCH	lch(30.57, 67.84, 297.34°)
OKLab	oklab(41.37% -0.0048 -0.1743)
OKLCH	oklch(41.37% 0.174 268.4)
XYZ	xyz(9.4806, 6.4699, 37.7874)
Luminance	0.0647 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263CA8 #A89226

analogous

#267DA8 #263CA8 #5126A8

triadic

#263CA8 #A8263C #3CA826

tetradic

#263CA8 #A8267D #A89226 #26A851

square

#263CA8 #A8267D #A89226 #26A851

split-complementary

#263CA8 #A85126 #7DA826

monochromatic

#0F1844 #1B2A76 #263CA8 #3953D2 #6B7EDE

Accessibility & contrast

On white

9.15

#263CA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#263CA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263CA8

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263CA8	#FFFFFF	#000000	##FFFFFF
##263CA8	1.00	9.15	2.29	9.15
#FFFFFF	9.15	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EAB

Deuteranopia (green-blind)

#0042A6

Tritanopia (blue-blind)

#00586C

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #263ca8;
/* rgb */ color: rgb(38, 60, 168);
/* oklch */ color: oklch(41.4% 0.174 268.4);

Tailwind

colors: {
  custom: {
    50: '#7671c3',
    500: '#263ca8',
    950: '#000000',
  },
}

SCSS

$custom: #263ca8;
$custom-light: #7671c3;
$custom-dark: #000000;

JSON

{
  "hex": "#263ca8",
  "rgb": {
    "r": 38,
    "g": 60,
    "b": 168
  },
  "hsl": {
    "h": 229.846,
    "s": 63.107,
    "l": 40.392
  },
  "oklch": {
    "l": 0.41365,
    "c": 0.17436,
    "h": 268.4
  },
  "luminance": 0.06471
}

Semantic roles & 50–950 ramp

primary

#263CA8

secondary

#C4B466

accent

#CA42E6

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #263CA8

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

Preview Lab → · Contrast checker → · Palette generator →