#4263D1#4263D1

#4263D1 is a mid, vivid blue. Relative luminance 0.147; OKLCH L 53.7% C 0.174 H 267.6°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#4263D1
RGB	rgb(66, 99, 209)
HSL	hsl(226, 61%, 54%)
HSV	hsv(226, 68%, 82%)
CMYK	cmyk(68.4%, 52.6%, 0%, 18%)
CIE-LAB	lab(45.20, 24.48, -60.42)
CIE-LCH	lch(45.20, 65.19, 292.05°)
OKLab	oklab(53.66% -0.0073 -0.1737)
OKLCH	oklch(53.66% 0.174 267.6)
XYZ	xyz(18.2133, 14.6836, 62.1836)
Luminance	0.1469 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4263D1 #D1B042

analogous

#42ABD1 #4263D1 #6942D1

triadic

#4263D1 #D14263 #63D142

tetradic

#4263D1 #D142AB #D1B042 #42D169

square

#4263D1 #D142AB #D1B042 #42D169

split-complementary

#4263D1 #D16942 #ABD142

monochromatic

#1E337B #2A48AC #4263D1 #738CDD #A4B4E9

Accessibility & contrast

On white

5.33

#4263D1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#4263D1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4263D1

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4263D1	#FFFFFF	#000000	##FFFFFF
##4263D1	1.00	5.33	3.94	5.33
#FFFFFF	5.33	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1872D5

Deuteranopia (green-blind)

#0065CF

Tritanopia (blue-blind)

#007D90

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #4263d1;
/* rgb */ color: rgb(66, 99, 209);
/* oklch */ color: oklch(53.7% 0.174 267.6);

Tailwind

colors: {
  custom: {
    50: '#878ee0',
    500: '#4263d1',
    950: '#000000',
  },
}

SCSS

$custom: #4263d1;
$custom-light: #878ee0;
$custom-dark: #000000;

JSON

{
  "hex": "#4263d1",
  "rgb": {
    "r": 66,
    "g": 99,
    "b": 209
  },
  "hsl": {
    "h": 226.154,
    "s": 60.851,
    "l": 53.922
  },
  "oklch": {
    "l": 0.53657,
    "c": 0.17383,
    "h": 267.6
  },
  "luminance": 0.14685
}

Semantic roles & 50–950 ramp

primary

#4263D1

secondary

#D6C899

accent

#BF44E4

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0D0C15

muted

#7D7D83

Preview Lab

Preview with #4263D1

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

Preview Lab → · Contrast checker → · Palette generator →