#263E8C#263E8C

#263E8C is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.3% C 0.133 H 267.1°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#263E8C
RGB	rgb(38, 62, 140)
HSL	hsl(226, 57%, 35%)
HSV	hsv(226, 73%, 55%)
CMYK	cmyk(72.9%, 55.7%, 0%, 45.1%)
CIE-LAB	lab(28.77, 19.10, -46.14)
CIE-LCH	lch(28.77, 49.94, 292.49°)
OKLab	oklab(39.3% -0.0067 -0.1328)
OKLCH	oklch(39.3% 0.133 267.1)
XYZ	xyz(7.2539, 5.7500, 25.5334)
Luminance	0.0575 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263E8C #8C7426

analogous

#26718C #263E8C #41268C

triadic

#263E8C #8C263E #3E8C26

tetradic

#263E8C #8C2671 #8C7426 #268C41

square

#263E8C #8C2671 #8C7426 #268C41

split-complementary

#263E8C #8C4126 #718C26

monochromatic

#0C132C #19295C #263E8C #3353BC #5A76D2

Accessibility & contrast

On white

9.77

#263E8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#263E8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263E8C

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263E8C	#FFFFFF	#000000	##FFFFFF
##263E8C	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00498F

Deuteranopia (green-blind)

#003F8A

Tritanopia (blue-blind)

#00515E

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #263e8c;
/* rgb */ color: rgb(38, 62, 140);
/* oklch */ color: oklch(39.3% 0.133 267.1);

Tailwind

colors: {
  custom: {
    50: '#6f72ae',
    500: '#263e8c',
    950: '#000000',
  },
}

SCSS

$custom: #263e8c;
$custom-light: #6f72ae;
$custom-dark: #000000;

JSON

{
  "hex": "#263e8c",
  "rgb": {
    "r": 38,
    "g": 62,
    "b": 140
  },
  "hsl": {
    "h": 225.882,
    "s": 57.303,
    "l": 34.902
  },
  "oklch": {
    "l": 0.39301,
    "c": 0.13298,
    "h": 267.1
  },
  "luminance": 0.05751
}

Semantic roles & 50–950 ramp

primary

#263E8C

secondary

#B7A057

accent

#BC47E1

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #263E8C

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

Preview Lab → · Contrast checker → · Palette generator →