#263E9F#263E9F

#263E9F is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.9% C 0.160 H 267.9°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#263E9F
RGB	rgb(38, 62, 159)
HSL	hsl(228, 61%, 39%)
HSV	hsv(228, 76%, 62%)
CMYK	cmyk(76.1%, 61%, 0%, 37.6%)
CIE-LAB	lab(30.30, 26.43, -55.27)
CIE-LCH	lch(30.30, 61.26, 295.56°)
OKLab	oklab(40.93% -0.006 -0.1596)
OKLCH	oklch(40.93% 0.16 267.9)
XYZ	xyz(8.7778, 6.3596, 33.5591)
Luminance	0.0636 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263E9F #9F8726

analogous

#267A9F #263E9F #4A269F

triadic

#263E9F #9F263E #3E9F26

tetradic

#263E9F #9F267A #9F8726 #269F4A

square

#263E9F #9F267A #9F8726 #269F4A

split-complementary

#263E9F #9F4A26 #7A9F26

monochromatic

#0E173C #1A2B6E #263E9F #3452CE #657CDA

Accessibility & contrast

On white

9.24

#263E9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#263E9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263E9F

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263E9F	#FFFFFF	#000000	##FFFFFF
##263E9F	1.00	9.24	2.27	9.24
#FFFFFF	9.24	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA2

Deuteranopia (green-blind)

#00429D

Tritanopia (blue-blind)

#005768

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #263e9f;
/* rgb */ color: rgb(38, 62, 159);
/* oklch */ color: oklch(40.9% 0.160 267.9);

Tailwind

colors: {
  custom: {
    50: '#7373bc',
    500: '#263e9f',
    950: '#000000',
  },
}

SCSS

$custom: #263e9f;
$custom-light: #7373bc;
$custom-dark: #000000;

JSON

{
  "hex": "#263e9f",
  "rgb": {
    "r": 38,
    "g": 62,
    "b": 159
  },
  "hsl": {
    "h": 228.099,
    "s": 61.421,
    "l": 38.627
  },
  "oklch": {
    "l": 0.40926,
    "c": 0.15974,
    "h": 267.9
  },
  "luminance": 0.06361
}

Semantic roles & 50–950 ramp

primary

#263E9F

secondary

#C0AD61

accent

#C543E5

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #263E9F

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

Preview Lab → · Contrast checker → · Palette generator →