#263CA5#263CA5

#263CA5 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.1% C 0.170 H 268.4°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#263CA5
RGB	rgb(38, 60, 165)
HSL	hsl(230, 63%, 40%)
HSV	hsv(230, 77%, 65%)
CMYK	cmyk(77%, 63.6%, 0%, 35.3%)
CIE-LAB	lab(30.30, 30.03, -58.89)
CIE-LCH	lch(30.30, 66.11, 297.02°)
OKLab	oklab(41.09% -0.0047 -0.1703)
OKLCH	oklch(41.09% 0.17 268.4)
XYZ	xyz(9.2044, 6.3594, 36.3324)
Luminance	0.0636 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263CA5 #A58F26

analogous

#267CA5 #263CA5 #4F26A5

triadic

#263CA5 #A5263C #3CA526

tetradic

#263CA5 #A5267C #A58F26 #26A54F

square

#263CA5 #A5267C #A58F26 #26A54F

split-complementary

#263CA5 #A54F26 #7CA526

monochromatic

#0F1842 #1B2A73 #263CA5 #3752D1 #697DDC

Accessibility & contrast

On white

9.24

#263CA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#263CA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263CA5

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263CA5	#FFFFFF	#000000	##FFFFFF
##263CA5	1.00	9.24	2.27	9.24
#FFFFFF	9.24	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA8

Deuteranopia (green-blind)

#0041A3

Tritanopia (blue-blind)

#00576B

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #263ca5;
/* rgb */ color: rgb(38, 60, 165);
/* oklch */ color: oklch(41.1% 0.170 268.4);

Tailwind

colors: {
  custom: {
    50: '#7571c1',
    500: '#263ca5',
    950: '#000000',
  },
}

SCSS

$custom: #263ca5;
$custom-light: #7571c1;
$custom-dark: #000000;

JSON

{
  "hex": "#263ca5",
  "rgb": {
    "r": 38,
    "g": 60,
    "b": 165
  },
  "hsl": {
    "h": 229.606,
    "s": 62.562,
    "l": 39.804
  },
  "oklch": {
    "l": 0.41086,
    "c": 0.17035,
    "h": 268.4
  },
  "luminance": 0.0636
}

Semantic roles & 50–950 ramp

primary

#263CA5

secondary

#C3B264

accent

#C942E6

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #263CA5

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

Preview Lab → · Contrast checker → · Palette generator →