#263B9E#263B9E

#263B9E is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.3% C 0.162 H 268.6°. Best body text is #FFFFFF at 9.54:1 contrast (WCAG AA passes).

Color values

HEX	#263B9E
RGB	rgb(38, 59, 158)
HSL	hsl(230, 61%, 38%)
HSV	hsv(230, 76%, 62%)
CMYK	cmyk(75.9%, 62.7%, 0%, 38%)
CIE-LAB	lab(29.43, 28.05, -56.08)
CIE-LCH	lch(29.43, 62.71, 296.58°)
OKLab	oklab(40.25% -0.0039 -0.1621)
OKLCH	oklch(40.25% 0.162 268.6)
XYZ	xyz(8.5327, 6.0077, 33.0510)
Luminance	0.0601 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263B9E #9E8926

analogous

#26779E #263B9E #4D269E

triadic

#263B9E #9E263B #3B9E26

tetradic

#263B9E #9E2677 #9E8926 #269E4D

square

#263B9E #9E2677 #9E8926 #269E4D

split-complementary

#263B9E #9E4D26 #779E26

monochromatic

#0E163B #1A296D #263B9E #334ECE #6579DA

Accessibility & contrast

On white

9.54

#263B9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#263B9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263B9E

9.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263B9E	#FFFFFF	#000000	##FFFFFF
##263B9E	1.00	9.54	2.20	9.54
#FFFFFF	9.54	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA1

Deuteranopia (green-blind)

#00409C

Tritanopia (blue-blind)

#005466

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #263b9e;
/* rgb */ color: rgb(38, 59, 158);
/* oklch */ color: oklch(40.3% 0.162 268.6);

Tailwind

colors: {
  custom: {
    50: '#7370bc',
    500: '#263b9e',
    950: '#000000',
  },
}

SCSS

$custom: #263b9e;
$custom-light: #7370bc;
$custom-dark: #000000;

JSON

{
  "hex": "#263b9e",
  "rgb": {
    "r": 38,
    "g": 59,
    "b": 158
  },
  "hsl": {
    "h": 229.5,
    "s": 61.224,
    "l": 38.431
  },
  "oklch": {
    "l": 0.40254,
    "c": 0.16211,
    "h": 268.6
  },
  "luminance": 0.06009
}

Semantic roles & 50–950 ramp

primary

#263B9E

secondary

#C0AF60

accent

#C843E4

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #263B9E

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

Preview Lab → · Contrast checker → · Palette generator →