#263EA6#263EA6

#263EA6 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.6% C 0.169 H 268.0°. Best body text is #FFFFFF at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#263EA6
RGB	rgb(38, 62, 166)
HSL	hsl(229, 63%, 40%)
HSV	hsv(229, 77%, 65%)
CMYK	cmyk(77.1%, 62.7%, 0%, 34.9%)
CIE-LAB	lab(30.90, 29.09, -58.51)
CIE-LCH	lch(30.90, 65.34, 296.43°)
OKLab	oklab(41.56% -0.006 -0.1691)
OKLCH	oklch(41.56% 0.169 268)
XYZ	xyz(9.4025, 6.6094, 36.8492)
Luminance	0.0661 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263EA6 #A68E26

analogous

#267EA6 #263EA6 #4E26A6

triadic

#263EA6 #A6263E #3EA626

tetradic

#263EA6 #A6267E #A68E26 #26A64E

square

#263EA6 #A6267E #A68E26 #26A64E

split-complementary

#263EA6 #A64E26 #7EA626

monochromatic

#0F1942 #1B2B74 #263EA6 #3855D1 #6A7FDD

Accessibility & contrast

On white

9.04

#263EA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#263EA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263EA6

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263EA6	#FFFFFF	#000000	##FFFFFF
##263EA6	1.00	9.04	2.32	9.04
#FFFFFF	9.04	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA9

Deuteranopia (green-blind)

#0043A4

Tritanopia (blue-blind)

#00596C

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #263ea6;
/* rgb */ color: rgb(38, 62, 166);
/* oklch */ color: oklch(41.6% 0.169 268.0);

Tailwind

colors: {
  custom: {
    50: '#7573c1',
    500: '#263ea6',
    950: '#000000',
  },
}

SCSS

$custom: #263ea6;
$custom-light: #7573c1;
$custom-dark: #000000;

JSON

{
  "hex": "#263ea6",
  "rgb": {
    "r": 38,
    "g": 62,
    "b": 166
  },
  "hsl": {
    "h": 228.75,
    "s": 62.745,
    "l": 40
  },
  "oklch": {
    "l": 0.41556,
    "c": 0.16926,
    "h": 268
  },
  "luminance": 0.0661
}

Semantic roles & 50–950 ramp

primary

#263EA6

secondary

#C3B165

accent

#C742E6

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #263EA6

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

Preview Lab → · Contrast checker → · Palette generator →