#263A63#263A63

#263A63 is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.3% C 0.076 H 263.4°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#263A63
RGB	rgb(38, 58, 99)
HSL	hsl(220, 45%, 27%)
HSV	hsv(220, 62%, 39%)
CMYK	cmyk(61.6%, 41.4%, 0%, 61.2%)
CIE-LAB	lab(24.76, 6.04, -26.66)
CIE-LCH	lch(24.76, 27.34, 282.76°)
OKLab	oklab(35.33% -0.0088 -0.0756)
OKLCH	oklch(35.33% 0.076 263.4)
XYZ	xyz(4.5637, 4.3387, 12.3989)
Luminance	0.0434 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263A63 #634F26

analogous

#265963 #263A63 #312663

triadic

#263A63 #63263A #3A6326

tetradic

#263A63 #632659 #634F26 #266331

square

#263A63 #632659 #634F26 #266331

split-complementary

#263A63 #633126 #596326

monochromatic

#080D16 #152037 #263A63 #37548F #4A6EB9

Accessibility & contrast

On white

11.24

#263A63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#263A63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263A63

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263A63	#FFFFFF	#000000	##FFFFFF
##263A63	1.00	11.24	1.87	11.24
#FFFFFF	11.24	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#293E65

Deuteranopia (green-blind)

#213862

Tritanopia (blue-blind)

#004349

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #263a63;
/* rgb */ color: rgb(38, 58, 99);
/* oklch */ color: oklch(35.3% 0.076 263.4);

Tailwind

colors: {
  custom: {
    50: '#666f8f',
    500: '#263a63',
    950: '#000000',
  },
}

SCSS

$custom: #263a63;
$custom-light: #666f8f;
$custom-dark: #000000;

JSON

{
  "hex": "#263a63",
  "rgb": {
    "r": 38,
    "g": 58,
    "b": 99
  },
  "hsl": {
    "h": 220.328,
    "s": 44.526,
    "l": 26.863
  },
  "oklch": {
    "l": 0.35334,
    "c": 0.07615,
    "h": 263.4
  },
  "luminance": 0.04339
}

Semantic roles & 50–950 ramp

primary

#263A63

secondary

#967F4F

accent

#AA54D4

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070C

muted

#7A7A7D

Preview Lab

Preview with #263A63

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

Preview Lab → · Contrast checker → · Palette generator →