#263EA5#263EA5

#263EA5 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.5% C 0.168 H 268.0°. Best body text is #FFFFFF at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#263EA5
RGB	rgb(38, 62, 165)
HSL	hsl(229, 63%, 40%)
HSV	hsv(229, 77%, 65%)
CMYK	cmyk(77%, 62.4%, 0%, 35.3%)
CIE-LAB	lab(30.81, 28.71, -58.05)
CIE-LCH	lch(30.81, 64.76, 296.31°)
OKLab	oklab(41.47% -0.006 -0.1678)
OKLCH	oklch(41.47% 0.168 268)
XYZ	xyz(9.3111, 6.5729, 36.3680)
Luminance	0.0657 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263EA5 #A58D26

analogous

#267EA5 #263EA5 #4D26A5

triadic

#263EA5 #A5263E #3EA526

tetradic

#263EA5 #A5267E #A58D26 #26A54D

square

#263EA5 #A5267E #A58D26 #26A54D

split-complementary

#263EA5 #A54D26 #7EA526

monochromatic

#0F1942 #1B2B73 #263EA5 #3754D1 #697FDC

Accessibility & contrast

On white

9.07

#263EA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#263EA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263EA5

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263EA5	#FFFFFF	#000000	##FFFFFF
##263EA5	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)

#004FA8

Deuteranopia (green-blind)

#0043A3

Tritanopia (blue-blind)

#00596B

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #263ea5;
/* rgb */ color: rgb(38, 62, 165);
/* oklch */ color: oklch(41.5% 0.168 268.0);

Tailwind

colors: {
  custom: {
    50: '#7573c1',
    500: '#263ea5',
    950: '#000000',
  },
}

SCSS

$custom: #263ea5;
$custom-light: #7573c1;
$custom-dark: #000000;

JSON

{
  "hex": "#263ea5",
  "rgb": {
    "r": 38,
    "g": 62,
    "b": 165
  },
  "hsl": {
    "h": 228.661,
    "s": 62.562,
    "l": 39.804
  },
  "oklch": {
    "l": 0.41465,
    "c": 0.16791,
    "h": 268
  },
  "luminance": 0.06574
}

Semantic roles & 50–950 ramp

primary

#263EA5

secondary

#C3B164

accent

#C742E6

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #263EA5

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

Preview Lab → · Contrast checker → · Palette generator →