#263F77#263F77

#263F77 is a dark, moderate blue. Relative luminance 0.053; OKLCH L 37.9% C 0.100 H 264.1°. Best body text is #FFFFFF at 10.20:1 contrast (WCAG AA passes).

Color values

HEX	#263F77
RGB	rgb(38, 63, 119)
HSL	hsl(221, 52%, 31%)
HSV	hsv(221, 68%, 47%)
CMYK	cmyk(68.1%, 47.1%, 0%, 53.3%)
CIE-LAB	lab(27.57, 10.24, -34.97)
CIE-LCH	lch(27.57, 36.44, 286.32°)
OKLab	oklab(37.91% -0.0103 -0.0999)
OKLCH	oklch(37.91% 0.1 264.1)
XYZ	xyz(5.9054, 5.2984, 18.1607)
Luminance	0.0530 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263F77 #775E26

analogous

#266777 #263F77 #352677

triadic

#263F77 #77263F #3F7726

tetradic

#263F77 #772667 #775E26 #267735

square

#263F77 #772667 #775E26 #267735

split-complementary

#263F77 #773526 #677726

monochromatic

#080E1A #172649 #263F77 #3558A5 #5075C7

Accessibility & contrast

On white

10.20

#263F77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#263F77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263F77

10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263F77	#FFFFFF	#000000	##FFFFFF
##263F77	1.00	10.20	2.06	10.20
#FFFFFF	10.20	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#244579

Deuteranopia (green-blind)

#163E76

Tritanopia (blue-blind)

#004C55

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #263f77;
/* rgb */ color: rgb(38, 63, 119);
/* oklch */ color: oklch(37.9% 0.100 264.1);

Tailwind

colors: {
  custom: {
    50: '#6a739e',
    500: '#263f77',
    950: '#000000',
  },
}

SCSS

$custom: #263f77;
$custom-light: #6a739e;
$custom-dark: #000000;

JSON

{
  "hex": "#263f77",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 119
  },
  "hsl": {
    "h": 221.481,
    "s": 51.592,
    "l": 30.784
  },
  "oklch": {
    "l": 0.37907,
    "c": 0.10048,
    "h": 264.1
  },
  "luminance": 0.05299
}

Semantic roles & 50–950 ramp

primary

#263F77

secondary

#A98E4F

accent

#AF4DDB

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #263F77

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

Preview Lab → · Contrast checker → · Palette generator →