#263F9F#263F9F

#263F9F is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.1% C 0.158 H 267.6°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#263F9F
RGB	rgb(38, 63, 159)
HSL	hsl(228, 61%, 39%)
HSV	hsv(228, 76%, 62%)
CMYK	cmyk(76.1%, 60.4%, 0%, 37.6%)
CIE-LAB	lab(30.57, 25.76, -54.83)
CIE-LCH	lch(30.57, 60.58, 295.16°)
OKLab	oklab(41.12% -0.0067 -0.1583)
OKLCH	oklch(41.12% 0.158 267.6)
XYZ	xyz(8.8327, 6.4693, 33.5774)
Luminance	0.0647 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263F9F #9F8626

analogous

#267B9F #263F9F #49269F

triadic

#263F9F #9F263F #3F9F26

tetradic

#263F9F #9F267B #9F8626 #269F49

square

#263F9F #9F267B #9F8626 #269F49

split-complementary

#263F9F #9F4926 #7B9F26

monochromatic

#0E183C #1A2B6E #263F9F #3454CE #657DDA

Accessibility & contrast

On white

9.15

#263F9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#263F9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263F9F

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263F9F	#FFFFFF	#000000	##FFFFFF
##263F9F	1.00	9.15	2.29	9.15
#FFFFFF	9.15	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA2

Deuteranopia (green-blind)

#00429D

Tritanopia (blue-blind)

#005768

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #263f9f;
/* rgb */ color: rgb(38, 63, 159);
/* oklch */ color: oklch(41.1% 0.158 267.6);

Tailwind

colors: {
  custom: {
    50: '#7373bc',
    500: '#263f9f',
    950: '#000000',
  },
}

SCSS

$custom: #263f9f;
$custom-light: #7373bc;
$custom-dark: #000000;

JSON

{
  "hex": "#263f9f",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 159
  },
  "hsl": {
    "h": 227.603,
    "s": 61.421,
    "l": 38.627
  },
  "oklch": {
    "l": 0.41123,
    "c": 0.15849,
    "h": 267.6
  },
  "luminance": 0.0647
}

Semantic roles & 50–950 ramp

primary

#263F9F

secondary

#C0AC61

accent

#C343E5

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #263F9F

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

Preview Lab → · Contrast checker → · Palette generator →