#263C8E#263C8E

#263C8E is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.0% C 0.138 H 268.0°. Best body text is #FFFFFF at 9.91:1 contrast (WCAG AA passes).

Color values

HEX	#263C8E
RGB	rgb(38, 60, 142)
HSL	hsl(227, 58%, 35%)
HSV	hsv(227, 73%, 56%)
CMYK	cmyk(73.2%, 57.7%, 0%, 44.3%)
CIE-LAB	lab(28.37, 21.25, -48.03)
CIE-LCH	lch(28.37, 52.52, 293.87°)
OKLab	oklab(39.05% -0.0049 -0.1384)
OKLCH	oklch(39.05% 0.138 268)
XYZ	xyz(7.2960, 5.5960, 26.2816)
Luminance	0.0560 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263C8E #8E7826

analogous

#26708E #263C8E #44268E

triadic

#263C8E #8E263C #3C8E26

tetradic

#263C8E #8E2670 #8E7826 #268E44

square

#263C8E #8E2670 #8E7826 #268E44

split-complementary

#263C8E #8E4426 #708E26

monochromatic

#0C132D #19285E #263C8E #3350BE #5B75D3

Accessibility & contrast

On white

9.91

#263C8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#263C8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263C8E

9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263C8E	#FFFFFF	#000000	##FFFFFF
##263C8E	1.00	9.91	2.12	9.91
#FFFFFF	9.91	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004891

Deuteranopia (green-blind)

#003E8C

Tritanopia (blue-blind)

#00505F

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #263c8e;
/* rgb */ color: rgb(38, 60, 142);
/* oklch */ color: oklch(39.0% 0.138 268.0);

Tailwind

colors: {
  custom: {
    50: '#6f71b0',
    500: '#263c8e',
    950: '#000000',
  },
}

SCSS

$custom: #263c8e;
$custom-light: #6f71b0;
$custom-dark: #000000;

JSON

{
  "hex": "#263c8e",
  "rgb": {
    "r": 38,
    "g": 60,
    "b": 142
  },
  "hsl": {
    "h": 227.308,
    "s": 57.778,
    "l": 35.294
  },
  "oklch": {
    "l": 0.39047,
    "c": 0.13849,
    "h": 268
  },
  "luminance": 0.05597
}

Semantic roles & 50–950 ramp

primary

#263C8E

secondary

#B8A458

accent

#C047E1

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #263C8E

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

Preview Lab → · Contrast checker → · Palette generator →