#263FA1#263FA1

#263FA1 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.3% C 0.161 H 267.6°. Best body text is #FFFFFF at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#263FA1
RGB	rgb(38, 63, 161)
HSL	hsl(228, 62%, 39%)
HSV	hsv(228, 76%, 63%)
CMYK	cmyk(76.4%, 60.9%, 0%, 36.9%)
CIE-LAB	lab(30.73, 26.52, -55.77)
CIE-LCH	lch(30.73, 61.75, 295.43°)
OKLab	oklab(41.3% -0.0067 -0.1611)
OKLCH	oklch(41.3% 0.161 267.6)
XYZ	xyz(9.0076, 6.5393, 34.4988)
Luminance	0.0654 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263FA1 #A18826

analogous

#267DA1 #263FA1 #4B26A1

triadic

#263FA1 #A1263F #3FA126

tetradic

#263FA1 #A1267D #A18826 #26A14B

square

#263FA1 #A1267D #A18826 #26A14B

split-complementary

#263FA1 #A14B26 #7DA126

monochromatic

#0F183E #1A2C6F #263FA1 #3554CF #667EDB

Accessibility & contrast

On white

9.10

#263FA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#263FA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263FA1

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263FA1	#FFFFFF	#000000	##FFFFFF
##263FA1	1.00	9.10	2.31	9.10
#FFFFFF	9.10	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA4

Deuteranopia (green-blind)

#00439F

Tritanopia (blue-blind)

#00586A

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #263fa1;
/* rgb */ color: rgb(38, 63, 161);
/* oklch */ color: oklch(41.3% 0.161 267.6);

Tailwind

colors: {
  custom: {
    50: '#7473be',
    500: '#263fa1',
    950: '#000000',
  },
}

SCSS

$custom: #263fa1;
$custom-light: #7473be;
$custom-dark: #000000;

JSON

{
  "hex": "#263fa1",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 161
  },
  "hsl": {
    "h": 227.805,
    "s": 61.809,
    "l": 39.02
  },
  "oklch": {
    "l": 0.413,
    "c": 0.16124,
    "h": 267.6
  },
  "luminance": 0.0654
}

Semantic roles & 50–950 ramp

primary

#263FA1

secondary

#C1AE62

accent

#C443E5

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #263FA1

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

Preview Lab → · Contrast checker → · Palette generator →