#667CCC#667CCC

#667CCC is a mid, vivid blue. Relative luminance 0.216; OKLCH L 60.5% C 0.124 H 270.7°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#667CCC
RGB	rgb(102, 124, 204)
HSL	hsl(227, 50%, 60%)
HSV	hsv(227, 50%, 80%)
CMYK	cmyk(50%, 39.2%, 0%, 20%)
CIE-LAB	lab(53.60, 14.20, -44.01)
CIE-LCH	lch(53.60, 46.24, 287.88°)
OKLab	oklab(60.51% 0.0015 -0.1245)
OKLCH	oklch(60.51% 0.124 270.7)
XYZ	xyz(23.5827, 21.5982, 60.0412)
Luminance	0.2160 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#667CCC #CCB666

analogous

#66AFCC #667CCC #8366CC

triadic

#667CCC #CC667C #7CCC66

tetradic

#667CCC #CC66AF #CCB666 #66CC83

square

#667CCC #CC66AF #CCB666 #66CC83

split-complementary

#667CCC #CC8366 #AFCC66

monochromatic

#2E428A #3D58B8 #667CCC #94A3DB #C2CBEB

Accessibility & contrast

On white

3.95

#667CCC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#667CCC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667CCC

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##667CCC	#FFFFFF	#000000	##000000
##667CCC	1.00	3.95	5.32	5.32
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D85CF

Deuteranopia (green-blind)

#527CCA

Tritanopia (blue-blind)

#3B8D9A

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #667ccc;
/* rgb */ color: rgb(102, 124, 204);
/* oklch */ color: oklch(60.5% 0.124 270.7);

Tailwind

colors: {
  custom: {
    50: '#97a1dc',
    500: '#667ccc',
    950: '#000000',
  },
}

SCSS

$custom: #667ccc;
$custom-light: #97a1dc;
$custom-dark: #000000;

JSON

{
  "hex": "#667ccc",
  "rgb": {
    "r": 102,
    "g": 124,
    "b": 204
  },
  "hsl": {
    "h": 227.059,
    "s": 50,
    "l": 60
  },
  "oklch": {
    "l": 0.60509,
    "c": 0.12447,
    "h": 270.7
  },
  "luminance": 0.216
}

Semantic roles & 50–950 ramp

primary

#667CCC

secondary

#DBD2B3

accent

#BB4EDA

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #667CCC

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

Preview Lab → · Contrast checker → · Palette generator →