#263AB0#263AB0

#263AB0 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.8% C 0.187 H 268.8°. Best body text is #FFFFFF at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#263AB0
RGB	rgb(38, 58, 176)
HSL	hsl(231, 64%, 42%)
HSV	hsv(231, 78%, 69%)
CMYK	cmyk(78.4%, 67%, 0%, 31%)
CIE-LAB	lab(30.81, 35.42, -64.65)
CIE-LCH	lch(30.81, 73.71, 298.72°)
OKLab	oklab(41.77% -0.0041 -0.1871)
OKLCH	oklch(41.77% 0.187 268.8)
XYZ	xyz(10.1462, 6.5716, 41.7996)
Luminance	0.0657 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263AB0 #B09C26

analogous

#267FB0 #263AB0 #5726B0

triadic

#263AB0 #B0263A #3AB026

tetradic

#263AB0 #B0267F #B09C26 #26B057

square

#263AB0 #B0267F #B09C26 #26B057

split-complementary

#263AB0 #B05726 #7FB026

monochromatic

#10194B #1B297E #263AB0 #3E54D5 #7080E0

Accessibility & contrast

On white

9.07

#263AB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#263AB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263AB0

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263AB0	#FFFFFF	#000000	##FFFFFF
##263AB0	1.00	9.07	2.31	9.07
#FFFFFF	9.07	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB4

Deuteranopia (green-blind)

#0042AE

Tritanopia (blue-blind)

#005A70

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #263ab0;
/* rgb */ color: rgb(38, 58, 176);
/* oklch */ color: oklch(41.8% 0.187 268.8);

Tailwind

colors: {
  custom: {
    50: '#7870c9',
    500: '#263ab0',
    950: '#000000',
  },
}

SCSS

$custom: #263ab0;
$custom-light: #7870c9;
$custom-dark: #000000;

JSON

{
  "hex": "#263ab0",
  "rgb": {
    "r": 38,
    "g": 58,
    "b": 176
  },
  "hsl": {
    "h": 231.304,
    "s": 64.486,
    "l": 41.961
  },
  "oklch": {
    "l": 0.41767,
    "c": 0.18718,
    "h": 268.8
  },
  "luminance": 0.06573
}

Semantic roles & 50–950 ramp

primary

#263AB0

secondary

#C7BA6B

accent

#CF40E7

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #263AB0

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

Preview Lab → · Contrast checker → · Palette generator →