#263399#263399

#263399 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.3% C 0.165 H 270.6°. Best body text is #FFFFFF at 10.42:1 contrast (WCAG AA passes).

Color values

HEX	#263399
RGB	rgb(38, 51, 153)
HSL	hsl(233, 60%, 37%)
HSV	hsv(233, 75%, 60%)
CMYK	cmyk(75.2%, 66.7%, 0%, 40%)
CIE-LAB	lab(26.96, 31.47, -57.09)
CIE-LCH	lch(26.96, 65.19, 298.87°)
OKLab	oklab(38.3% 0.0016 -0.1651)
OKLCH	oklch(38.3% 0.165 270.6)
XYZ	xyz(7.7310, 5.0788, 30.7037)
Luminance	0.0508 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263399 #998C26

analogous

#266D99 #263399 #522699

triadic

#263399 #992633 #339926

tetradic

#263399 #99266D #998C26 #269952

square

#263399 #99266D #998C26 #269952

split-complementary

#263399 #995226 #6D9926

monochromatic

#0E1237 #1A2368 #263399 #3243CA #626FD8

Accessibility & contrast

On white

10.42

#263399 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#263399 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263399

10.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263399	#FFFFFF	#000000	##FFFFFF
##263399	1.00	10.42	2.02	10.42
#FFFFFF	10.42	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00459C

Deuteranopia (green-blind)

#003A97

Tritanopia (blue-blind)

#004E61

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #263399;
/* rgb */ color: rgb(38, 51, 153);
/* oklch */ color: oklch(38.3% 0.165 270.6);

Tailwind

colors: {
  custom: {
    50: '#736bb8',
    500: '#263399',
    950: '#000000',
  },
}

SCSS

$custom: #263399;
$custom-light: #736bb8;
$custom-dark: #000000;

JSON

{
  "hex": "#263399",
  "rgb": {
    "r": 38,
    "g": 51,
    "b": 153
  },
  "hsl": {
    "h": 233.217,
    "s": 60.209,
    "l": 37.451
  },
  "oklch": {
    "l": 0.38296,
    "c": 0.16508,
    "h": 270.6
  },
  "luminance": 0.0508
}

Semantic roles & 50–950 ramp

primary

#263399

secondary

#BDB25E

accent

#D144E3

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #263399

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

Preview Lab → · Contrast checker → · Palette generator →