#263F8E#263F8E

#263F8E is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.7% C 0.135 H 266.8°. Best body text is #FFFFFF at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#263F8E
RGB	rgb(38, 63, 142)
HSL	hsl(226, 58%, 35%)
HSV	hsv(226, 73%, 56%)
CMYK	cmyk(73.2%, 55.6%, 0%, 44.3%)
CIE-LAB	lab(29.21, 19.19, -46.67)
CIE-LCH	lch(29.21, 50.46, 292.36°)
OKLab	oklab(39.68% -0.0074 -0.1343)
OKLCH	oklch(39.68% 0.135 266.8)
XYZ	xyz(7.4576, 5.9193, 26.3355)
Luminance	0.0592 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263F8E #8E7526

analogous

#26738E #263F8E #41268E

triadic

#263F8E #8E263F #3F8E26

tetradic

#263F8E #8E2673 #8E7526 #268E41

square

#263F8E #8E2673 #8E7526 #268E41

split-complementary

#263F8E #8E4126 #738E26

monochromatic

#0C142D #192A5E #263F8E #3354BE #5B78D3

Accessibility & contrast

On white

9.62

#263F8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#263F8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263F8E

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263F8E	#FFFFFF	#000000	##FFFFFF
##263F8E	1.00	9.62	2.18	9.62
#FFFFFF	9.62	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A91

Deuteranopia (green-blind)

#00408C

Tritanopia (blue-blind)

#005260

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #263f8e;
/* rgb */ color: rgb(38, 63, 142);
/* oklch */ color: oklch(39.7% 0.135 266.8);

Tailwind

colors: {
  custom: {
    50: '#6f73b0',
    500: '#263f8e',
    950: '#000000',
  },
}

SCSS

$custom: #263f8e;
$custom-light: #6f73b0;
$custom-dark: #000000;

JSON

{
  "hex": "#263f8e",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 142
  },
  "hsl": {
    "h": 225.577,
    "s": 57.778,
    "l": 35.294
  },
  "oklch": {
    "l": 0.39678,
    "c": 0.13455,
    "h": 266.8
  },
  "luminance": 0.0592
}

Semantic roles & 50–950 ramp

primary

#263F8E

secondary

#B8A158

accent

#BC47E1

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #263F8E

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

Preview Lab → · Contrast checker → · Palette generator →