#263E83#263E83

#263E83 is a dark, moderate blue. Relative luminance 0.055; OKLCH L 38.6% C 0.120 H 266.4°. Best body text is #FFFFFF at 10.00:1 contrast (WCAG AA passes).

Color values

HEX	#263E83
RGB	rgb(38, 62, 131)
HSL	hsl(225, 55%, 33%)
HSV	hsv(225, 71%, 51%)
CMYK	cmyk(71%, 52.7%, 0%, 48.6%)
CIE-LAB	lab(28.10, 15.60, -41.64)
CIE-LCH	lch(28.10, 44.47, 290.53°)
OKLab	oklab(38.58% -0.0075 -0.1196)
OKLCH	oklch(38.58% 0.12 266.4)
XYZ	xyz(6.6173, 5.4954, 22.1803)
Luminance	0.0550 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263E83 #836B26

analogous

#266C83 #263E83 #3C2683

triadic

#263E83 #83263E #3E8326

tetradic

#263E83 #83266C #836B26 #26833C

square

#263E83 #83266C #836B26 #26833C

split-complementary

#263E83 #833C26 #6C8326

monochromatic

#0A1124 #182854 #263E83 #3454B2 #5675CE

Accessibility & contrast

On white

10.00

#263E83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#263E83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263E83

10.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263E83	#FFFFFF	#000000	##FFFFFF
##263E83	1.00	10.00	2.10	10.00
#FFFFFF	10.00	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#144785

Deuteranopia (green-blind)

#003E82

Tritanopia (blue-blind)

#004E5A

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #263e83;
/* rgb */ color: rgb(38, 62, 131);
/* oklch */ color: oklch(38.6% 0.120 266.4);

Tailwind

colors: {
  custom: {
    50: '#6c72a8',
    500: '#263e83',
    950: '#000000',
  },
}

SCSS

$custom: #263e83;
$custom-light: #6c72a8;
$custom-dark: #000000;

JSON

{
  "hex": "#263e83",
  "rgb": {
    "r": 38,
    "g": 62,
    "b": 131
  },
  "hsl": {
    "h": 224.516,
    "s": 55.03,
    "l": 33.137
  },
  "oklch": {
    "l": 0.3858,
    "c": 0.11982,
    "h": 266.4
  },
  "luminance": 0.05496
}

Semantic roles & 50–950 ramp

primary

#263E83

secondary

#B29A52

accent

#B849DE

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #263E83

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

Preview Lab → · Contrast checker → · Palette generator →