#4663BC#4663BC

#4663BC is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.4% C 0.144 H 267.7°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#4663BC
RGB	rgb(70, 99, 188)
HSL	hsl(225, 47%, 51%)
HSV	hsv(225, 63%, 74%)
CMYK	cmyk(62.8%, 47.3%, 0%, 26.3%)
CIE-LAB	lab(44.02, 17.70, -50.18)
CIE-LCH	lch(44.02, 53.22, 289.43°)
OKLab	oklab(52.38% -0.0058 -0.1435)
OKLCH	oklch(52.38% 0.144 267.7)
XYZ	xyz(16.0616, 13.8552, 49.3951)
Luminance	0.1386 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4663BC #BC9F46

analogous

#469EBC #4663BC #6446BC

triadic

#4663BC #BC4663 #63BC46

tetradic

#4663BC #BC469E #BC9F46 #46BC64

square

#4663BC #BC469E #BC9F46 #46BC64

split-complementary

#4663BC #BC6446 #9EBC46

monochromatic

#243464 #344B90 #4663BC #7389CC #A0AFDD

Accessibility & contrast

On white

5.57

#4663BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#4663BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4663BC

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4663BC	#FFFFFF	#000000	##FFFFFF
##4663BC	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#376EBF

Deuteranopia (green-blind)

#2163BA

Tritanopia (blue-blind)

#007786

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4663bc;
/* rgb */ color: rgb(70, 99, 188);
/* oklch */ color: oklch(52.4% 0.144 267.7);

Tailwind

colors: {
  custom: {
    50: '#858fd1',
    500: '#4663bc',
    950: '#000000',
  },
}

SCSS

$custom: #4663bc;
$custom-light: #858fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#4663bc",
  "rgb": {
    "r": 70,
    "g": 99,
    "b": 188
  },
  "hsl": {
    "h": 225.254,
    "s": 46.825,
    "l": 50.588
  },
  "oklch": {
    "l": 0.52381,
    "c": 0.14361,
    "h": 267.7
  },
  "luminance": 0.13857
}

Semantic roles & 50–950 ramp

primary

#4663BC

secondary

#C9BC95

accent

#B651D6

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #4663BC

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

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