#263F9C#263F9C

#263F9C is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.9% C 0.154 H 267.5°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#263F9C
RGB	rgb(38, 63, 156)
HSL	hsl(227, 61%, 38%)
HSV	hsv(227, 76%, 61%)
CMYK	cmyk(75.6%, 59.6%, 0%, 38.8%)
CIE-LAB	lab(30.32, 24.61, -53.42)
CIE-LCH	lch(30.32, 58.81, 294.73°)
OKLab	oklab(40.86% -0.0067 -0.1542)
OKLCH	oklch(40.86% 0.154 267.5)
XYZ	xyz(8.5755, 6.3665, 32.2229)
Luminance	0.0637 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263F9C #9C8326

analogous

#267A9C #263F9C #48269C

triadic

#263F9C #9C263F #3F9C26

tetradic

#263F9C #9C267A #9C8326 #269C48

square

#263F9C #9C267A #9C8326 #269C48

split-complementary

#263F9C #9C4826 #7A9C26

monochromatic

#0E173A #1A2B6B #263F9C #3253CD #637CD9

Accessibility & contrast

On white

9.24

#263F9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#263F9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263F9C

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263F9C	#FFFFFF	#000000	##FFFFFF
##263F9C	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)

#004D9F

Deuteranopia (green-blind)

#00429A

Tritanopia (blue-blind)

#005667

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #263f9c;
/* rgb */ color: rgb(38, 63, 156);
/* oklch */ color: oklch(40.9% 0.154 267.5);

Tailwind

colors: {
  custom: {
    50: '#7273ba',
    500: '#263f9c',
    950: '#000000',
  },
}

SCSS

$custom: #263f9c;
$custom-light: #7273ba;
$custom-dark: #000000;

JSON

{
  "hex": "#263f9c",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 156
  },
  "hsl": {
    "h": 227.288,
    "s": 60.825,
    "l": 38.039
  },
  "oklch": {
    "l": 0.40861,
    "c": 0.15435,
    "h": 267.5
  },
  "luminance": 0.06367
}

Semantic roles & 50–950 ramp

primary

#263F9C

secondary

#BFAA5F

accent

#C244E4

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #263F9C

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

Preview Lab → · Contrast checker → · Palette generator →