#4063D1#4063D1

#4063D1 is a mid, vivid blue. Relative luminance 0.146; OKLCH L 53.6% C 0.174 H 267.0°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#4063D1
RGB	rgb(64, 99, 209)
HSL	hsl(226, 61%, 54%)
HSV	hsv(226, 69%, 82%)
CMYK	cmyk(69.4%, 52.6%, 0%, 18%)
CIE-LAB	lab(45.10, 24.19, -60.58)
CIE-LCH	lch(45.10, 65.23, 291.77°)
OKLab	oklab(53.56% -0.0091 -0.1742)
OKLCH	oklch(53.56% 0.174 267)
XYZ	xyz(18.0808, 14.6153, 62.1774)
Luminance	0.1462 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4063D1 #D1AE40

analogous

#40ABD1 #4063D1 #6540D1

triadic

#4063D1 #D14063 #63D140

tetradic

#4063D1 #D140AB #D1AE40 #40D165

square

#4063D1 #D140AB #D1AE40 #40D165

split-complementary

#4063D1 #D16540 #ABD140

monochromatic

#1D3379 #2948AB #4063D1 #718BDD #A3B4E9

Accessibility & contrast

On white

5.35

#4063D1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#4063D1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4063D1

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4063D1	#FFFFFF	#000000	##FFFFFF
##4063D1	1.00	5.35	3.92	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1772D5

Deuteranopia (green-blind)

#0064CF

Tritanopia (blue-blind)

#007D90

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #4063d1;
/* rgb */ color: rgb(64, 99, 209);
/* oklch */ color: oklch(53.6% 0.174 267.0);

Tailwind

colors: {
  custom: {
    50: '#868ee0',
    500: '#4063d1',
    950: '#000000',
  },
}

SCSS

$custom: #4063d1;
$custom-light: #868ee0;
$custom-dark: #000000;

JSON

{
  "hex": "#4063d1",
  "rgb": {
    "r": 64,
    "g": 99,
    "b": 209
  },
  "hsl": {
    "h": 225.517,
    "s": 61.181,
    "l": 53.529
  },
  "oklch": {
    "l": 0.53559,
    "c": 0.17443,
    "h": 267
  },
  "luminance": 0.14617
}

Semantic roles & 50–950 ramp

primary

#4063D1

secondary

#D5C697

accent

#BD44E4

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #4063D1

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

Preview Lab → · Contrast checker → · Palette generator →