#4063DC#4063DC

#4063DC is a mid, vivid blue. Relative luminance 0.152; OKLCH L 54.4% C 0.189 H 267.5°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#4063DC
RGB	rgb(64, 99, 220)
HSL	hsl(227, 69%, 56%)
HSV	hsv(227, 71%, 86%)
CMYK	cmyk(70.9%, 55%, 0%, 13.7%)
CIE-LAB	lab(45.88, 28.13, -65.60)
CIE-LCH	lch(45.88, 71.37, 293.21°)
OKLab	oklab(54.39% -0.0083 -0.1889)
OKLCH	oklch(54.39% 0.189 267.5)
XYZ	xyz(19.4900, 15.1790, 69.5990)
Luminance	0.1518 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4063DC #DCB940

analogous

#40B1DC #4063DC #6B40DC

triadic

#4063DC #DC4063 #63DC40

tetradic

#4063DC #DC40B1 #DCB940 #40DC6B

square

#4063DC #DC40B1 #DCB940 #40DC6B

split-complementary

#4063DC #DC6B40 #B1DC40

monochromatic

#193289 #2345BC #4063DC #748DE5 #A7B7EF

Accessibility & contrast

On white

5.20

#4063DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#4063DC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4063DC

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4063DC	#FFFFFF	#000000	##FFFFFF
##4063DC	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)

#0074E0

Deuteranopia (green-blind)

#0066DA

Tritanopia (blue-blind)

#008196

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #4063dc;
/* rgb */ color: rgb(64, 99, 220);
/* oklch */ color: oklch(54.4% 0.189 267.5);

Tailwind

colors: {
  custom: {
    50: '#888ee8',
    500: '#4063dc',
    950: '#000000',
  },
}

SCSS

$custom: #4063dc;
$custom-light: #888ee8;
$custom-dark: #000000;

JSON

{
  "hex": "#4063dc",
  "rgb": {
    "r": 64,
    "g": 99,
    "b": 220
  },
  "hsl": {
    "h": 226.538,
    "s": 69.027,
    "l": 55.686
  },
  "oklch": {
    "l": 0.5439,
    "c": 0.18913,
    "h": 267.5
  },
  "luminance": 0.15181
}

Semantic roles & 50–950 ramp

primary

#4063DC

secondary

#DCCE9B

accent

#C43CEC

background

#F9F8FE

surface

#F1F0FD

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4063DC

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

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