#263F71#263F71

#263F71 is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.5% C 0.091 H 262.8°. Best body text is #FFFFFF at 10.34:1 contrast (WCAG AA passes).

Color values

HEX	#263F71
RGB	rgb(38, 63, 113)
HSL	hsl(220, 50%, 30%)
HSV	hsv(220, 66%, 44%)
CMYK	cmyk(66.4%, 44.2%, 0%, 55.7%)
CIE-LAB	lab(27.18, 7.92, -31.79)
CIE-LCH	lch(27.18, 32.76, 283.99°)
OKLab	oklab(37.49% -0.0115 -0.0906)
OKLCH	oklch(37.49% 0.091 262.8)
XYZ	xyz(5.5564, 5.1588, 16.3225)
Luminance	0.0516 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263F71 #715826

analogous

#266571 #263F71 #332671

triadic

#263F71 #71263F #3F7126

tetradic

#263F71 #712665 #715826 #267133

square

#263F71 #712665 #715826 #267133

split-complementary

#263F71 #713326 #657126

monochromatic

#080D17 #172543 #263F71 #35599F #4E75C3

Accessibility & contrast

On white

10.34

#263F71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#263F71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263F71

10.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263F71	#FFFFFF	#000000	##FFFFFF
##263F71	1.00	10.34	2.03	10.34
#FFFFFF	10.34	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#284473

Deuteranopia (green-blind)

#1D3D70

Tritanopia (blue-blind)

#004A52

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #263f71;
/* rgb */ color: rgb(38, 63, 113);
/* oklch */ color: oklch(37.5% 0.091 262.8);

Tailwind

colors: {
  custom: {
    50: '#69739a',
    500: '#263f71',
    950: '#000000',
  },
}

SCSS

$custom: #263f71;
$custom-light: #69739a;
$custom-dark: #000000;

JSON

{
  "hex": "#263f71",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 113
  },
  "hsl": {
    "h": 220,
    "s": 49.669,
    "l": 29.608
  },
  "oklch": {
    "l": 0.37485,
    "c": 0.09133,
    "h": 262.8
  },
  "luminance": 0.05159
}

Semantic roles & 50–950 ramp

primary

#263F71

secondary

#A4874F

accent

#AB4FD9

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #263F71

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

Preview Lab → · Contrast checker → · Palette generator →