#263DA3#263DA3

#263DA3 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.1% C 0.166 H 268.2°. Best body text is #FFFFFF at 9.22:1 contrast (WCAG AA passes).

Color values

HEX	#263DA3
RGB	rgb(38, 61, 163)
HSL	hsl(229, 62%, 39%)
HSV	hsv(229, 77%, 64%)
CMYK	cmyk(76.7%, 62.6%, 0%, 36.1%)
CIE-LAB	lab(30.38, 28.62, -57.55)
CIE-LCH	lch(30.38, 64.27, 296.44°)
OKLab	oklab(41.09% -0.0053 -0.1663)
OKLCH	oklch(41.09% 0.166 268.2)
XYZ	xyz(9.0766, 6.3929, 35.3988)
Luminance	0.0639 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263DA3 #A38C26

analogous

#267CA3 #263DA3 #4E26A3

triadic

#263DA3 #A3263D #3DA326

tetradic

#263DA3 #A3267C #A38C26 #26A34E

square

#263DA3 #A3267C #A38C26 #26A34E

split-complementary

#263DA3 #A34E26 #7CA326

monochromatic

#0F1840 #1A2A71 #263DA3 #3652D0 #687DDC

Accessibility & contrast

On white

9.22

#263DA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#263DA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263DA3

9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263DA3	#FFFFFF	#000000	##FFFFFF
##263DA3	1.00	9.22	2.28	9.22
#FFFFFF	9.22	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA6

Deuteranopia (green-blind)

#0042A1

Tritanopia (blue-blind)

#00576A

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #263da3;
/* rgb */ color: rgb(38, 61, 163);
/* oklch */ color: oklch(41.1% 0.166 268.2);

Tailwind

colors: {
  custom: {
    50: '#7472bf',
    500: '#263da3',
    950: '#000000',
  },
}

SCSS

$custom: #263da3;
$custom-light: #7472bf;
$custom-dark: #000000;

JSON

{
  "hex": "#263da3",
  "rgb": {
    "r": 38,
    "g": 61,
    "b": 163
  },
  "hsl": {
    "h": 228.96,
    "s": 62.189,
    "l": 39.412
  },
  "oklch": {
    "l": 0.41092,
    "c": 0.16643,
    "h": 268.2
  },
  "luminance": 0.06394
}

Semantic roles & 50–950 ramp

primary

#263DA3

secondary

#C2B063

accent

#C743E5

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #263DA3

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

Preview Lab → · Contrast checker → · Palette generator →