#263C99#263C99

#263C99 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.0% C 0.154 H 268.3°. Best body text is #FFFFFF at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#263C99
RGB	rgb(38, 60, 153)
HSL	hsl(229, 60%, 37%)
HSV	hsv(229, 75%, 60%)
CMYK	cmyk(75.2%, 60.8%, 0%, 40%)
CIE-LAB	lab(29.27, 25.48, -53.31)
CIE-LCH	lch(29.27, 59.09, 295.55°)
OKLab	oklab(40% -0.0046 -0.1539)
OKLCH	oklch(40% 0.154 268.3)
XYZ	xyz(8.1630, 5.9428, 30.8477)
Luminance	0.0594 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263C99 #998326

analogous

#267599 #263C99 #4A2699

triadic

#263C99 #99263C #3C9926

tetradic

#263C99 #992675 #998326 #26994A

square

#263C99 #992675 #998326 #26994A

split-complementary

#263C99 #994A26 #759926

monochromatic

#0E1637 #1A2968 #263C99 #324FCA #6278D8

Accessibility & contrast

On white

9.59

#263C99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#263C99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263C99

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263C99	#FFFFFF	#000000	##FFFFFF
##263C99	1.00	9.59	2.19	9.59
#FFFFFF	9.59	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9C

Deuteranopia (green-blind)

#004097

Tritanopia (blue-blind)

#005364

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #263c99;
/* rgb */ color: rgb(38, 60, 153);
/* oklch */ color: oklch(40.0% 0.154 268.3);

Tailwind

colors: {
  custom: {
    50: '#7271b8',
    500: '#263c99',
    950: '#000000',
  },
}

SCSS

$custom: #263c99;
$custom-light: #7271b8;
$custom-dark: #000000;

JSON

{
  "hex": "#263c99",
  "rgb": {
    "r": 38,
    "g": 60,
    "b": 153
  },
  "hsl": {
    "h": 228.522,
    "s": 60.209,
    "l": 37.451
  },
  "oklch": {
    "l": 0.4,
    "c": 0.15398,
    "h": 268.3
  },
  "luminance": 0.05944
}

Semantic roles & 50–950 ramp

primary

#263C99

secondary

#BDAB5E

accent

#C544E3

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #263C99

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

Preview Lab → · Contrast checker → · Palette generator →