#263F9A#263F9A

#263F9A is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.7% C 0.152 H 267.4°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#263F9A
RGB	rgb(38, 63, 154)
HSL	hsl(227, 60%, 38%)
HSV	hsv(227, 75%, 60%)
CMYK	cmyk(75.3%, 59.1%, 0%, 39.6%)
CIE-LAB	lab(30.16, 23.84, -52.47)
CIE-LCH	lch(30.16, 57.63, 294.43°)
OKLab	oklab(40.69% -0.0068 -0.1514)
OKLCH	oklch(40.69% 0.152 267.4)
XYZ	xyz(8.4075, 6.2993, 31.3384)
Luminance	0.0630 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263F9A #9A8126

analogous

#26799A #263F9A #47269A

triadic

#263F9A #9A263F #3F9A26

tetradic

#263F9A #9A2679 #9A8126 #269A47

square

#263F9A #9A2679 #9A8126 #269A47

split-complementary

#263F9A #9A4726 #799A26

monochromatic

#0E1738 #1A2B69 #263F9A #3253CB #627CD8

Accessibility & contrast

On white

9.29

#263F9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#263F9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263F9A

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263F9A	#FFFFFF	#000000	##FFFFFF
##263F9A	1.00	9.29	2.26	9.29
#FFFFFF	9.29	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004D9D

Deuteranopia (green-blind)

#004298

Tritanopia (blue-blind)

#005666

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #263f9a;
/* rgb */ color: rgb(38, 63, 154);
/* oklch */ color: oklch(40.7% 0.152 267.4);

Tailwind

colors: {
  custom: {
    50: '#7273b9',
    500: '#263f9a',
    950: '#000000',
  },
}

SCSS

$custom: #263f9a;
$custom-light: #7273b9;
$custom-dark: #000000;

JSON

{
  "hex": "#263f9a",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 154
  },
  "hsl": {
    "h": 227.069,
    "s": 60.417,
    "l": 37.647
  },
  "oklch": {
    "l": 0.40687,
    "c": 0.15156,
    "h": 267.4
  },
  "luminance": 0.063
}

Semantic roles & 50–950 ramp

primary

#263F9A

secondary

#BEA95E

accent

#C144E4

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #263F9A

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

Preview Lab → · Contrast checker → · Palette generator →