#4263DD#4263DD

#4263DD is a mid, vivid blue. Relative luminance 0.153; OKLCH L 54.6% C 0.190 H 268.0°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#4263DD
RGB	rgb(66, 99, 221)
HSL	hsl(227, 70%, 56%)
HSV	hsv(227, 70%, 87%)
CMYK	cmyk(70.1%, 55.2%, 0%, 13.3%)
CIE-LAB	lab(46.04, 28.75, -65.89)
CIE-LCH	lch(46.04, 71.89, 293.57°)
OKLab	oklab(54.56% -0.0065 -0.1898)
OKLCH	oklch(54.56% 0.19 268)
XYZ	xyz(19.7552, 15.3004, 70.3047)
Luminance	0.1530 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4263DD #DDBC42

analogous

#42B1DD #4263DD #6F42DD

triadic

#4263DD #DD4263 #63DD42

tetradic

#4263DD #DD42B1 #DDBC42 #42DD6F

square

#4263DD #DD42B1 #DDBC42 #42DD6F

split-complementary

#4263DD #DD6F42 #B1DD42

monochromatic

#19318C #2244BF #4263DD #768EE6 #AAB9F0

Accessibility & contrast

On white

5.17

#4263DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#4263DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4263DD

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4263DD	#FFFFFF	#000000	##FFFFFF
##4263DD	1.00	5.17	4.06	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074E1

Deuteranopia (green-blind)

#0066DB

Tritanopia (blue-blind)

#008196

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #4263dd;
/* rgb */ color: rgb(66, 99, 221);
/* oklch */ color: oklch(54.6% 0.190 268.0);

Tailwind

colors: {
  custom: {
    50: '#898fe8',
    500: '#4263dd',
    950: '#000000',
  },
}

SCSS

$custom: #4263dd;
$custom-light: #898fe8;
$custom-dark: #000000;

JSON

{
  "hex": "#4263dd",
  "rgb": {
    "r": 66,
    "g": 99,
    "b": 221
  },
  "hsl": {
    "h": 227.226,
    "s": 69.507,
    "l": 56.275
  },
  "oklch": {
    "l": 0.54561,
    "c": 0.18989,
    "h": 268
  },
  "luminance": 0.15302
}

Semantic roles & 50–950 ramp

primary

#4263DD

secondary

#DDD09D

accent

#C73BEC

background

#F9F8FE

surface

#F1F0FD

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4263DD

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

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