#4263CA#4263CA

#4263CA is a mid, vivid blue. Relative luminance 0.143; OKLCH L 53.1% C 0.164 H 267.2°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#4263CA
RGB	rgb(66, 99, 202)
HSL	hsl(225, 56%, 53%)
HSV	hsv(225, 67%, 79%)
CMYK	cmyk(67.3%, 51%, 0%, 20.8%)
CIE-LAB	lab(44.72, 21.98, -57.17)
CIE-LCH	lch(44.72, 61.25, 291.03°)
OKLab	oklab(53.15% -0.0079 -0.1641)
OKLCH	oklch(53.15% 0.164 267.2)
XYZ	xyz(17.3656, 14.3445, 57.7193)
Luminance	0.1435 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4263CA #CAA942

analogous

#42A7CA #4263CA #6542CA

triadic

#4263CA #CA4263 #63CA42

tetradic

#4263CA #CA42A7 #CAA942 #42CA65

square

#4263CA #CA42A7 #CAA942 #42CA65

split-complementary

#4263CA #CA6542 #A7CA42

monochromatic

#203472 #2D49A2 #4263CA #728AD7 #A2B2E5

Accessibility & contrast

On white

5.43

#4263CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#4263CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4263CA

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4263CA	#FFFFFF	#000000	##FFFFFF
##4263CA	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2570CE

Deuteranopia (green-blind)

#0064C8

Tritanopia (blue-blind)

#007B8D

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #4263ca;
/* rgb */ color: rgb(66, 99, 202);
/* oklch */ color: oklch(53.1% 0.164 267.2);

Tailwind

colors: {
  custom: {
    50: '#858edb',
    500: '#4263ca',
    950: '#000000',
  },
}

SCSS

$custom: #4263ca;
$custom-light: #858edb;
$custom-dark: #000000;

JSON

{
  "hex": "#4263ca",
  "rgb": {
    "r": 66,
    "g": 99,
    "b": 202
  },
  "hsl": {
    "h": 225.441,
    "s": 56.198,
    "l": 52.549
  },
  "oklch": {
    "l": 0.53147,
    "c": 0.16431,
    "h": 267.2
  },
  "luminance": 0.14346
}

Semantic roles & 50–950 ramp

primary

#4263CA

secondary

#D1C396

accent

#BB48DF

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #4263CA

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

Preview Lab → · Contrast checker → · Palette generator →