#4263B2#4263B2

#4263B2 is a mid, vivid blue. Relative luminance 0.133; OKLCH L 51.5% C 0.131 H 265.1°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#4263B2
RGB	rgb(66, 99, 178)
HSL	hsl(222, 46%, 48%)
HSV	hsv(222, 63%, 70%)
CMYK	cmyk(62.9%, 44.4%, 0%, 30.2%)
CIE-LAB	lab(43.20, 13.45, -45.67)
CIE-LCH	lch(43.20, 47.61, 286.41°)
OKLab	oklab(51.5% -0.0112 -0.1303)
OKLCH	oklch(51.5% 0.131 265.1)
XYZ	xyz(14.7417, 13.2950, 43.9002)
Luminance	0.1330 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4263B2 #B29142

analogous

#429BB2 #4263B2 #5942B2

triadic

#4263B2 #B24263 #63B242

tetradic

#4263B2 #B2429B #B29142 #42B259

square

#4263B2 #B2429B #B29142 #42B259

split-complementary

#4263B2 #B25942 #9BB242

monochromatic

#213159 #314A85 #4263B2 #6A85C8 #96AAD8

Accessibility & contrast

On white

5.74

#4263B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#4263B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4263B2

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4263B2	#FFFFFF	#000000	##FFFFFF
##4263B2	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E6CB5

Deuteranopia (green-blind)

#2D61B0

Tritanopia (blue-blind)

#007582

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4263b2;
/* rgb */ color: rgb(66, 99, 178);
/* oklch */ color: oklch(51.5% 0.131 265.1);

Tailwind

colors: {
  custom: {
    50: '#818fc9',
    500: '#4263b2',
    950: '#000000',
  },
}

SCSS

$custom: #4263b2;
$custom-light: #818fc9;
$custom-dark: #000000;

JSON

{
  "hex": "#4263b2",
  "rgb": {
    "r": 66,
    "g": 99,
    "b": 178
  },
  "hsl": {
    "h": 222.321,
    "s": 45.902,
    "l": 47.843
  },
  "oklch": {
    "l": 0.515,
    "c": 0.13079,
    "h": 265.1
  },
  "luminance": 0.13296
}

Semantic roles & 50–950 ramp

primary

#4263B2

secondary

#C4B38C

accent

#AF52D6

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #4263B2

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

Preview Lab → · Contrast checker → · Palette generator →