#263F9D#263F9D

#263F9D is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.9% C 0.156 H 267.5°. Best body text is #FFFFFF at 9.21:1 contrast (WCAG AA passes).

Color values

HEX	#263F9D
RGB	rgb(38, 63, 157)
HSL	hsl(227, 61%, 38%)
HSV	hsv(227, 76%, 62%)
CMYK	cmyk(75.8%, 59.9%, 0%, 38.4%)
CIE-LAB	lab(30.40, 24.99, -53.89)
CIE-LCH	lch(30.40, 59.40, 294.88°)
OKLab	oklab(40.95% -0.0067 -0.1556)
OKLCH	oklch(40.95% 0.156 267.5)
XYZ	xyz(8.6605, 6.4005, 32.6707)
Luminance	0.0640 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263F9D #9D8426

analogous

#267A9D #263F9D #48269D

triadic

#263F9D #9D263F #3F9D26

tetradic

#263F9D #9D267A #9D8426 #269D48

square

#263F9D #9D267A #9D8426 #269D48

split-complementary

#263F9D #9D4826 #7A9D26

monochromatic

#0E173A #1A2B6C #263F9D #3353CE #647DD9

Accessibility & contrast

On white

9.21

#263F9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#263F9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263F9D

9.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263F9D	#FFFFFF	#000000	##FFFFFF
##263F9D	1.00	9.21	2.28	9.21
#FFFFFF	9.21	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA0

Deuteranopia (green-blind)

#00429B

Tritanopia (blue-blind)

#005767

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #263f9d;
/* rgb */ color: rgb(38, 63, 157);
/* oklch */ color: oklch(40.9% 0.156 267.5);

Tailwind

colors: {
  custom: {
    50: '#7373bb',
    500: '#263f9d',
    950: '#000000',
  },
}

SCSS

$custom: #263f9d;
$custom-light: #7373bb;
$custom-dark: #000000;

JSON

{
  "hex": "#263f9d",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 157
  },
  "hsl": {
    "h": 227.395,
    "s": 61.026,
    "l": 38.235
  },
  "oklch": {
    "l": 0.40948,
    "c": 0.15574,
    "h": 267.5
  },
  "luminance": 0.06401
}

Semantic roles & 50–950 ramp

primary

#263F9D

secondary

#BFAB60

accent

#C244E4

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #263F9D

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

Preview Lab → · Contrast checker → · Palette generator →