#263F73#263F73

#263F73 is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.6% C 0.094 H 263.2°. Best body text is #FFFFFF at 10.29:1 contrast (WCAG AA passes).

Color values

HEX	#263F73
RGB	rgb(38, 63, 115)
HSL	hsl(221, 50%, 30%)
HSV	hsv(221, 67%, 45%)
CMYK	cmyk(67%, 45.2%, 0%, 54.9%)
CIE-LAB	lab(27.31, 8.69, -32.86)
CIE-LCH	lch(27.31, 33.99, 284.82°)
OKLab	oklab(37.62% -0.0111 -0.0937)
OKLCH	oklch(37.62% 0.094 263.2)
XYZ	xyz(5.6703, 5.2044, 16.9221)
Luminance	0.0520 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263F73 #735A26

analogous

#266673 #263F73 #332673

triadic

#263F73 #73263F #3F7326

tetradic

#263F73 #732666 #735A26 #267333

square

#263F73 #732666 #735A26 #267333

split-complementary

#263F73 #733326 #667326

monochromatic

#080D17 #172645 #263F73 #3558A1 #4F75C5

Accessibility & contrast

On white

10.29

#263F73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#263F73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263F73

10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263F73	#FFFFFF	#000000	##FFFFFF
##263F73	1.00	10.29	2.04	10.29
#FFFFFF	10.29	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#274475

Deuteranopia (green-blind)

#1B3D72

Tritanopia (blue-blind)

#004B53

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #263f73;
/* rgb */ color: rgb(38, 63, 115);
/* oklch */ color: oklch(37.6% 0.094 263.2);

Tailwind

colors: {
  custom: {
    50: '#69739b',
    500: '#263f73',
    950: '#000000',
  },
}

SCSS

$custom: #263f73;
$custom-light: #69739b;
$custom-dark: #000000;

JSON

{
  "hex": "#263f73",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 115
  },
  "hsl": {
    "h": 220.519,
    "s": 50.327,
    "l": 30
  },
  "oklch": {
    "l": 0.37624,
    "c": 0.09439,
    "h": 263.2
  },
  "luminance": 0.05205
}

Semantic roles & 50–950 ramp

primary

#263F73

secondary

#A68A4F

accent

#AC4EDA

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #263F73

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

Preview Lab → · Contrast checker → · Palette generator →