#263C9D#263C9D

#263C9D is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.4% C 0.160 H 268.4°. Best body text is #FFFFFF at 9.48:1 contrast (WCAG AA passes).

Color values

HEX	#263C9D
RGB	rgb(38, 60, 157)
HSL	hsl(229, 61%, 38%)
HSV	hsv(229, 76%, 62%)
CMYK	cmyk(75.8%, 61.8%, 0%, 38.4%)
CIE-LAB	lab(29.61, 27.01, -55.19)
CIE-LCH	lch(29.61, 61.44, 296.07°)
OKLab	oklab(40.36% -0.0046 -0.1594)
OKLCH	oklch(40.36% 0.16 268.4)
XYZ	xyz(8.4989, 6.0772, 32.6169)
Luminance	0.0608 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263C9D #9D8726

analogous

#26779D #263C9D #4C269D

triadic

#263C9D #9D263C #3C9D26

tetradic

#263C9D #9D2677 #9D8726 #269D4C

square

#263C9D #9D2677 #9D8726 #269D4C

split-complementary

#263C9D #9D4C26 #779D26

monochromatic

#0E163A #1A296C #263C9D #334FCE #647AD9

Accessibility & contrast

On white

9.48

#263C9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#263C9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263C9D

9.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263C9D	#FFFFFF	#000000	##FFFFFF
##263C9D	1.00	9.48	2.22	9.48
#FFFFFF	9.48	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA0

Deuteranopia (green-blind)

#00409B

Tritanopia (blue-blind)

#005566

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #263c9d;
/* rgb */ color: rgb(38, 60, 157);
/* oklch */ color: oklch(40.4% 0.160 268.4);

Tailwind

colors: {
  custom: {
    50: '#7371bb',
    500: '#263c9d',
    950: '#000000',
  },
}

SCSS

$custom: #263c9d;
$custom-light: #7371bb;
$custom-dark: #000000;

JSON

{
  "hex": "#263c9d",
  "rgb": {
    "r": 38,
    "g": 60,
    "b": 157
  },
  "hsl": {
    "h": 228.908,
    "s": 61.026,
    "l": 38.235
  },
  "oklch": {
    "l": 0.40357,
    "c": 0.1595,
    "h": 268.4
  },
  "luminance": 0.06078
}

Semantic roles & 50–950 ramp

primary

#263C9D

secondary

#BFAD60

accent

#C644E4

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #263C9D

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

Preview Lab → · Contrast checker → · Palette generator →