#263E66#263E66

#263E66 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.5% C 0.076 H 260.1°. Best body text is #FFFFFF at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#263E66
RGB	rgb(38, 62, 102)
HSL	hsl(218, 46%, 27%)
HSV	hsv(218, 63%, 40%)
CMYK	cmyk(62.7%, 39.2%, 0%, 60%)
CIE-LAB	lab(26.20, 4.42, -26.31)
CIE-LCH	lch(26.20, 26.68, 279.53°)
OKLab	oklab(36.51% -0.013 -0.0746)
OKLCH	oklch(36.51% 0.076 260.1)
XYZ	xyz(4.9194, 4.8162, 13.2382)
Luminance	0.0482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263E66 #664E26

analogous

#265E66 #263E66 #2E2666

triadic

#263E66 #66263E #3E6626

tetradic

#263E66 #66265E #664E26 #26662E

square

#263E66 #66265E #664E26 #26662E

split-complementary

#263E66 #662E26 #5E6626

monochromatic

#080E16 #152339 #263E66 #375993 #4B75BC

Accessibility & contrast

On white

10.70

#263E66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#263E66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263E66

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263E66	#FFFFFF	#000000	##FFFFFF
##263E66	1.00	10.70	1.96	10.70
#FFFFFF	10.70	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D4168

Deuteranopia (green-blind)

#253B65

Tritanopia (blue-blind)

#00474D

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #263e66;
/* rgb */ color: rgb(38, 62, 102);
/* oklch */ color: oklch(36.5% 0.076 260.1);

Tailwind

colors: {
  custom: {
    50: '#667392',
    500: '#263e66',
    950: '#000000',
  },
}

SCSS

$custom: #263e66;
$custom-light: #667392;
$custom-dark: #000000;

JSON

{
  "hex": "#263e66",
  "rgb": {
    "r": 38,
    "g": 62,
    "b": 102
  },
  "hsl": {
    "h": 217.5,
    "s": 45.714,
    "l": 27.451
  },
  "oklch": {
    "l": 0.36511,
    "c": 0.07569,
    "h": 260.1
  },
  "luminance": 0.04817
}

Semantic roles & 50–950 ramp

primary

#263E66

secondary

#997D4F

accent

#A452D5

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #263E66

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

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