#263E63#263E63

#263E63 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.3% C 0.071 H 258.8°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#263E63
RGB	rgb(38, 62, 99)
HSL	hsl(216, 45%, 27%)
HSV	hsv(216, 62%, 39%)
CMYK	cmyk(61.6%, 37.4%, 0%, 61.2%)
CIE-LAB	lab(26.03, 3.29, -24.65)
CIE-LCH	lch(26.03, 24.87, 277.61°)
OKLab	oklab(36.32% -0.0138 -0.0697)
OKLCH	oklch(36.32% 0.071 258.8)
XYZ	xyz(4.7733, 4.7578, 12.4688)
Luminance	0.0476 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263E63 #634B26

analogous

#265D63 #263E63 #2C2663

triadic

#263E63 #63263E #3E6326

tetradic

#263E63 #63265D #634B26 #26632C

square

#263E63 #63265D #634B26 #26632C

split-complementary

#263E63 #632C26 #5D6326

monochromatic

#080E16 #152237 #263E63 #375A8F #4A76B9

Accessibility & contrast

On white

10.76

#263E63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#263E63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263E63

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263E63	#FFFFFF	#000000	##FFFFFF
##263E63	1.00	10.76	1.95	10.76
#FFFFFF	10.76	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F4165

Deuteranopia (green-blind)

#273B62

Tritanopia (blue-blind)

#00464C

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #263e63;
/* rgb */ color: rgb(38, 62, 99);
/* oklch */ color: oklch(36.3% 0.071 258.8);

Tailwind

colors: {
  custom: {
    50: '#66738f',
    500: '#263e63',
    950: '#000000',
  },
}

SCSS

$custom: #263e63;
$custom-light: #66738f;
$custom-dark: #000000;

JSON

{
  "hex": "#263e63",
  "rgb": {
    "r": 38,
    "g": 62,
    "b": 99
  },
  "hsl": {
    "h": 216.393,
    "s": 44.526,
    "l": 26.863
  },
  "oklch": {
    "l": 0.36322,
    "c": 0.07108,
    "h": 258.8
  },
  "luminance": 0.04758
}

Semantic roles & 50–950 ramp

primary

#263E63

secondary

#967A4F

accent

#A254D4

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06080C

muted

#7A7B7D

Preview Lab

Preview with #263E63

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

Preview Lab → · Contrast checker → · Palette generator →