#263CA4#263CA4

#263CA4 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.0% C 0.169 H 268.4°. Best body text is #FFFFFF at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#263CA4
RGB	rgb(38, 60, 164)
HSL	hsl(230, 62%, 40%)
HSV	hsv(230, 77%, 64%)
CMYK	cmyk(76.8%, 63.4%, 0%, 35.7%)
CIE-LAB	lab(30.21, 29.66, -58.43)
CIE-LCH	lch(30.21, 65.53, 296.91°)
OKLab	oklab(40.99% -0.0047 -0.1689)
OKLCH	oklch(40.99% 0.169 268.4)
XYZ	xyz(9.1137, 6.3231, 35.8549)
Luminance	0.0632 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263CA4 #A48E26

analogous

#267BA4 #263CA4 #4F26A4

triadic

#263CA4 #A4263C #3CA426

tetradic

#263CA4 #A4267B #A48E26 #26A44F

square

#263CA4 #A4267B #A48E26 #26A44F

split-complementary

#263CA4 #A44F26 #7BA426

monochromatic

#0F1841 #1A2A72 #263CA4 #3752D1 #687DDC

Accessibility & contrast

On white

9.27

#263CA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#263CA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263CA4

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263CA4	#FFFFFF	#000000	##FFFFFF
##263CA4	1.00	9.27	2.26	9.27
#FFFFFF	9.27	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA7

Deuteranopia (green-blind)

#0041A2

Tritanopia (blue-blind)

#00576A

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #263ca4;
/* rgb */ color: rgb(38, 60, 164);
/* oklch */ color: oklch(41.0% 0.169 268.4);

Tailwind

colors: {
  custom: {
    50: '#7571c0',
    500: '#263ca4',
    950: '#000000',
  },
}

SCSS

$custom: #263ca4;
$custom-light: #7571c0;
$custom-dark: #000000;

JSON

{
  "hex": "#263ca4",
  "rgb": {
    "r": 38,
    "g": 60,
    "b": 164
  },
  "hsl": {
    "h": 229.524,
    "s": 62.376,
    "l": 39.608
  },
  "oklch": {
    "l": 0.40994,
    "c": 0.169,
    "h": 268.4
  },
  "luminance": 0.06324
}

Semantic roles & 50–950 ramp

primary

#263CA4

secondary

#C2B264

accent

#C942E5

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #263CA4

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

Preview Lab → · Contrast checker → · Palette generator →