#263E99#263E99

#263E99 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.4% C 0.151 H 267.7°. Best body text is #FFFFFF at 9.41:1 contrast (WCAG AA passes).

Color values

HEX	#263E99
RGB	rgb(38, 62, 153)
HSL	hsl(227, 60%, 37%)
HSV	hsv(227, 75%, 60%)
CMYK	cmyk(75.2%, 59.5%, 0%, 40%)
CIE-LAB	lab(29.80, 24.13, -52.44)
CIE-LCH	lch(29.80, 57.72, 294.71°)
OKLab	oklab(40.4% -0.0061 -0.1513)
OKLCH	oklch(40.4% 0.151 267.7)
XYZ	xyz(8.2697, 6.1563, 30.8833)
Luminance	0.0616 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263E99 #998126

analogous

#267899 #263E99 #472699

triadic

#263E99 #99263E #3E9926

tetradic

#263E99 #992678 #998126 #269947

square

#263E99 #992678 #998126 #269947

split-complementary

#263E99 #994726 #789926

monochromatic

#0E1637 #1A2A68 #263E99 #3252CA #627AD8

Accessibility & contrast

On white

9.41

#263E99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#263E99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263E99

9.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263E99	#FFFFFF	#000000	##FFFFFF
##263E99	1.00	9.41	2.23	9.41
#FFFFFF	9.41	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9C

Deuteranopia (green-blind)

#004197

Tritanopia (blue-blind)

#005565

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #263e99;
/* rgb */ color: rgb(38, 62, 153);
/* oklch */ color: oklch(40.4% 0.151 267.7);

Tailwind

colors: {
  custom: {
    50: '#7272b8',
    500: '#263e99',
    950: '#000000',
  },
}

SCSS

$custom: #263e99;
$custom-light: #7272b8;
$custom-dark: #000000;

JSON

{
  "hex": "#263e99",
  "rgb": {
    "r": 38,
    "g": 62,
    "b": 153
  },
  "hsl": {
    "h": 227.478,
    "s": 60.209,
    "l": 37.451
  },
  "oklch": {
    "l": 0.40399,
    "c": 0.15144,
    "h": 267.7
  },
  "luminance": 0.06157
}

Semantic roles & 50–950 ramp

primary

#263E99

secondary

#BDA95E

accent

#C244E3

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #263E99

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

Preview Lab → · Contrast checker → · Palette generator →