#263AA8#263AA8

#263AA8 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.0% C 0.177 H 268.8°. Best body text is #FFFFFF at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#263AA8
RGB	rgb(38, 58, 168)
HSL	hsl(231, 63%, 40%)
HSV	hsv(231, 77%, 66%)
CMYK	cmyk(77.4%, 65.5%, 0%, 34.1%)
CIE-LAB	lab(30.07, 32.47, -61.08)
CIE-LCH	lch(30.07, 69.17, 297.99°)
OKLab	oklab(41% -0.0036 -0.1767)
OKLCH	oklch(41% 0.177 268.8)
XYZ	xyz(9.3778, 6.2643, 37.7531)
Luminance	0.0626 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263AA8 #A89426

analogous

#267BA8 #263AA8 #5326A8

triadic

#263AA8 #A8263A #3AA826

tetradic

#263AA8 #A8267B #A89426 #26A853

square

#263AA8 #A8267B #A89426 #26A853

split-complementary

#263AA8 #A85326 #7BA826

monochromatic

#0F1844 #1B2976 #263AA8 #3951D2 #6B7DDE

Accessibility & contrast

On white

9.32

#263AA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#263AA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263AA8

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263AA8	#FFFFFF	#000000	##FFFFFF
##263AA8	1.00	9.32	2.25	9.32
#FFFFFF	9.32	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DAB

Deuteranopia (green-blind)

#0041A6

Tritanopia (blue-blind)

#00576B

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #263aa8;
/* rgb */ color: rgb(38, 58, 168);
/* oklch */ color: oklch(41.0% 0.177 268.8);

Tailwind

colors: {
  custom: {
    50: '#7670c3',
    500: '#263aa8',
    950: '#000000',
  },
}

SCSS

$custom: #263aa8;
$custom-light: #7670c3;
$custom-dark: #000000;

JSON

{
  "hex": "#263aa8",
  "rgb": {
    "r": 38,
    "g": 58,
    "b": 168
  },
  "hsl": {
    "h": 230.769,
    "s": 63.107,
    "l": 40.392
  },
  "oklch": {
    "l": 0.40998,
    "c": 0.17674,
    "h": 268.8
  },
  "luminance": 0.06265
}

Semantic roles & 50–950 ramp

primary

#263AA8

secondary

#C4B566

accent

#CD42E6

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #263AA8

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

Preview Lab → · Contrast checker → · Palette generator →