#263C9F#263C9F

#263C9F is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.5% C 0.162 H 268.4°. Best body text is #FFFFFF at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#263C9F
RGB	rgb(38, 60, 159)
HSL	hsl(229, 61%, 39%)
HSV	hsv(229, 76%, 62%)
CMYK	cmyk(76.1%, 62.3%, 0%, 37.6%)
CIE-LAB	lab(29.78, 27.77, -56.12)
CIE-LCH	lch(29.78, 62.62, 296.32°)
OKLab	oklab(40.54% -0.0046 -0.1622)
OKLCH	oklch(40.54% 0.162 268.4)
XYZ	xyz(8.6710, 6.1460, 33.5235)
Luminance	0.0615 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263C9F #9F8926

analogous

#26789F #263C9F #4C269F

triadic

#263C9F #9F263C #3C9F26

tetradic

#263C9F #9F2678 #9F8926 #269F4C

square

#263C9F #9F2678 #9F8926 #269F4C

split-complementary

#263C9F #9F4C26 #789F26

monochromatic

#0E173C #1A296E #263C9F #3450CE #657ADA

Accessibility & contrast

On white

9.42

#263C9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#263C9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263C9F

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263C9F	#FFFFFF	#000000	##FFFFFF
##263C9F	1.00	9.42	2.23	9.42
#FFFFFF	9.42	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA2

Deuteranopia (green-blind)

#00419D

Tritanopia (blue-blind)

#005567

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #263c9f;
/* rgb */ color: rgb(38, 60, 159);
/* oklch */ color: oklch(40.5% 0.162 268.4);

Tailwind

colors: {
  custom: {
    50: '#7371bc',
    500: '#263c9f',
    950: '#000000',
  },
}

SCSS

$custom: #263c9f;
$custom-light: #7371bc;
$custom-dark: #000000;

JSON

{
  "hex": "#263c9f",
  "rgb": {
    "r": 38,
    "g": 60,
    "b": 159
  },
  "hsl": {
    "h": 229.091,
    "s": 61.421,
    "l": 38.627
  },
  "oklch": {
    "l": 0.40537,
    "c": 0.16223,
    "h": 268.4
  },
  "luminance": 0.06147
}

Semantic roles & 50–950 ramp

primary

#263C9F

secondary

#C0AF61

accent

#C743E5

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #263C9F

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

Preview Lab → · Contrast checker → · Palette generator →