#4263DB#4263DB

#4263DB is a mid, vivid blue. Relative luminance 0.152; OKLCH L 54.4% C 0.187 H 268.0°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#4263DB
RGB	rgb(66, 99, 219)
HSL	hsl(227, 68%, 56%)
HSV	hsv(227, 70%, 86%)
CMYK	cmyk(69.9%, 54.8%, 0%, 14.1%)
CIE-LAB	lab(45.90, 28.04, -64.99)
CIE-LCH	lch(45.90, 70.78, 293.34°)
OKLab	oklab(54.41% -0.0066 -0.1871)
OKLCH	oklch(54.41% 0.187 268)
XYZ	xyz(19.4904, 15.1944, 68.9098)
Luminance	0.1520 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4263DB #DBBA42

analogous

#42AFDB #4263DB #6D42DB

triadic

#4263DB #DB4263 #63DB42

tetradic

#4263DB #DB42AF #DBBA42 #42DB6D

square

#4263DB #DB42AF #DBBA42 #42DB6D

split-complementary

#4263DB #DB6D42 #AFDB42

monochromatic

#1A3289 #2445BC #4263DB #758DE5 #A9B8EF

Accessibility & contrast

On white

5.20

#4263DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#4263DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4263DB

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4263DB	#FFFFFF	#000000	##FFFFFF
##4263DB	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074DF

Deuteranopia (green-blind)

#0066D9

Tritanopia (blue-blind)

#008095

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #4263db;
/* rgb */ color: rgb(66, 99, 219);
/* oklch */ color: oklch(54.4% 0.187 268.0);

Tailwind

colors: {
  custom: {
    50: '#898fe7',
    500: '#4263db',
    950: '#000000',
  },
}

SCSS

$custom: #4263db;
$custom-light: #898fe7;
$custom-dark: #000000;

JSON

{
  "hex": "#4263db",
  "rgb": {
    "r": 66,
    "g": 99,
    "b": 219
  },
  "hsl": {
    "h": 227.059,
    "s": 68,
    "l": 55.882
  },
  "oklch": {
    "l": 0.54408,
    "c": 0.18725,
    "h": 268
  },
  "luminance": 0.15196
}

Semantic roles & 50–950 ramp

primary

#4263DB

secondary

#DCCE9D

accent

#C53DEB

background

#F9F8FE

surface

#F1F0FD

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4263DB

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

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