#263EA3#263EA3

#263EA3 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.3% C 0.165 H 267.9°. Best body text is #FFFFFF at 9.13:1 contrast (WCAG AA passes).

Color values

HEX	#263EA3
RGB	rgb(38, 62, 163)
HSL	hsl(228, 62%, 39%)
HSV	hsv(228, 77%, 64%)
CMYK	cmyk(76.7%, 62%, 0%, 36.1%)
CIE-LAB	lab(30.64, 27.95, -57.13)
CIE-LCH	lch(30.64, 63.60, 296.07°)
OKLab	oklab(41.28% -0.006 -0.1651)
OKLCH	oklch(41.28% 0.165 267.9)
XYZ	xyz(9.1305, 6.5007, 35.4168)
Luminance	0.0650 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263EA3 #A38B26

analogous

#267DA3 #263EA3 #4D26A3

triadic

#263EA3 #A3263E #3EA326

tetradic

#263EA3 #A3267D #A38B26 #26A34D

square

#263EA3 #A3267D #A38B26 #26A34D

split-complementary

#263EA3 #A34D26 #7DA326

monochromatic

#0F1840 #1A2B71 #263EA3 #3654D0 #687EDC

Accessibility & contrast

On white

9.13

#263EA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#263EA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263EA3

9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263EA3	#FFFFFF	#000000	##FFFFFF
##263EA3	1.00	9.13	2.30	9.13
#FFFFFF	9.13	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA6

Deuteranopia (green-blind)

#0042A1

Tritanopia (blue-blind)

#00586A

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #263ea3;
/* rgb */ color: rgb(38, 62, 163);
/* oklch */ color: oklch(41.3% 0.165 267.9);

Tailwind

colors: {
  custom: {
    50: '#7473bf',
    500: '#263ea3',
    950: '#000000',
  },
}

SCSS

$custom: #263ea3;
$custom-light: #7473bf;
$custom-dark: #000000;

JSON

{
  "hex": "#263ea3",
  "rgb": {
    "r": 38,
    "g": 62,
    "b": 163
  },
  "hsl": {
    "h": 228.48,
    "s": 62.189,
    "l": 39.412
  },
  "oklch": {
    "l": 0.41284,
    "c": 0.16521,
    "h": 267.9
  },
  "luminance": 0.06502
}

Semantic roles & 50–950 ramp

primary

#263EA3

secondary

#C2B063

accent

#C643E5

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #263EA3

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

Preview Lab → · Contrast checker → · Palette generator →