#4063AA#4063AA

#4063AA is a mid, vivid blue. Relative luminance 0.129; OKLCH L 50.9% C 0.120 H 263.0°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#4063AA
RGB	rgb(64, 99, 170)
HSL	hsl(220, 45%, 46%)
HSV	hsv(220, 62%, 67%)
CMYK	cmyk(62.4%, 41.8%, 0%, 33.3%)
CIE-LAB	lab(42.63, 10.25, -41.89)
CIE-LCH	lch(42.63, 43.13, 283.75°)
OKLab	oklab(50.88% -0.0146 -0.1192)
OKLCH	oklch(50.88% 0.12 263)
XYZ	xyz(13.8294, 12.9147, 39.7864)
Luminance	0.1292 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4063AA #AA8740

analogous

#4098AA #4063AA #5240AA

triadic

#4063AA #AA4063 #63AA40

tetradic

#4063AA #AA4098 #AA8740 #40AA52

square

#4063AA #AA4098 #AA8740 #40AA52

split-complementary

#4063AA #AA5240 #98AA40

monochromatic

#1F2F51 #2F497E #4063AA #6383C4 #8FA6D5

Accessibility & contrast

On white

5.86

#4063AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#4063AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4063AA

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4063AA	#FFFFFF	#000000	##FFFFFF
##4063AA	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#436AAD

Deuteranopia (green-blind)

#3460A9

Tritanopia (blue-blind)

#00737E

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4063aa;
/* rgb */ color: rgb(64, 99, 170);
/* oklch */ color: oklch(50.9% 0.120 263.0);

Tailwind

colors: {
  custom: {
    50: '#7f8fc4',
    500: '#4063aa',
    950: '#000000',
  },
}

SCSS

$custom: #4063aa;
$custom-light: #7f8fc4;
$custom-dark: #000000;

JSON

{
  "hex": "#4063aa",
  "rgb": {
    "r": 64,
    "g": 99,
    "b": 170
  },
  "hsl": {
    "h": 220.189,
    "s": 45.299,
    "l": 45.882
  },
  "oklch": {
    "l": 0.50881,
    "c": 0.12013,
    "h": 263
  },
  "luminance": 0.12916
}

Semantic roles & 50–950 ramp

primary

#4063AA

secondary

#C0AD86

accent

#AA53D5

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C12

muted

#7C7D81

Preview Lab

Preview with #4063AA

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

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