#263B9D#263B9D

#263B9D is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.2% C 0.161 H 268.6°. Best body text is #FFFFFF at 9.57:1 contrast (WCAG AA passes).

Color values

HEX	#263B9D
RGB	rgb(38, 59, 157)
HSL	hsl(229, 61%, 38%)
HSV	hsv(229, 76%, 62%)
CMYK	cmyk(75.8%, 62.4%, 0%, 38.4%)
CIE-LAB	lab(29.35, 27.68, -55.62)
CIE-LCH	lch(29.35, 62.12, 296.46°)
OKLab	oklab(40.16% -0.0039 -0.1607)
OKLCH	oklch(40.16% 0.161 268.6)
XYZ	xyz(8.4470, 5.9734, 32.5996)
Luminance	0.0597 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263B9D #9D8826

analogous

#26769D #263B9D #4C269D

triadic

#263B9D #9D263B #3B9D26

tetradic

#263B9D #9D2676 #9D8826 #269D4C

square

#263B9D #9D2676 #9D8826 #269D4C

split-complementary

#263B9D #9D4C26 #769D26

monochromatic

#0E163A #1A286C #263B9D #334ECE #6479D9

Accessibility & contrast

On white

9.57

#263B9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#263B9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263B9D

9.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263B9D	#FFFFFF	#000000	##FFFFFF
##263B9D	1.00	9.57	2.19	9.57
#FFFFFF	9.57	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA0

Deuteranopia (green-blind)

#00409B

Tritanopia (blue-blind)

#005466

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #263b9d;
/* rgb */ color: rgb(38, 59, 157);
/* oklch */ color: oklch(40.2% 0.161 268.6);

Tailwind

colors: {
  custom: {
    50: '#7370bb',
    500: '#263b9d',
    950: '#000000',
  },
}

SCSS

$custom: #263b9d;
$custom-light: #7370bb;
$custom-dark: #000000;

JSON

{
  "hex": "#263b9d",
  "rgb": {
    "r": 38,
    "g": 59,
    "b": 157
  },
  "hsl": {
    "h": 229.412,
    "s": 61.026,
    "l": 38.235
  },
  "oklch": {
    "l": 0.40163,
    "c": 0.16075,
    "h": 268.6
  },
  "luminance": 0.05974
}

Semantic roles & 50–950 ramp

primary

#263B9D

secondary

#BFAE60

accent

#C844E4

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #263B9D

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

Preview Lab → · Contrast checker → · Palette generator →