#667EDD#667EDD

#667EDD is a mid, vivid blue. Relative luminance 0.230; OKLCH L 61.9% C 0.146 H 270.9°. Best body text is #000000 at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#667EDD
RGB	rgb(102, 126, 221)
HSL	hsl(228, 64%, 63%)
HSV	hsv(228, 54%, 87%)
CMYK	cmyk(53.8%, 43%, 0%, 13.3%)
CIE-LAB	lab(55.04, 18.33, -51.33)
CIE-LCH	lch(55.04, 54.50, 289.65°)
OKLab	oklab(61.91% 0.0024 -0.1459)
OKLCH	oklch(61.91% 0.146 270.9)
XYZ	xyz(25.9872, 22.9651, 71.4559)
Luminance	0.2297 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#667EDD #DDC566

analogous

#66B9DD #667EDD #8966DD

triadic

#667EDD #DD667E #7EDD66

tetradic

#667EDD #DD66B9 #DDC566 #66DD89

square

#667EDD #DD66B9 #DDC566 #66DD89

split-complementary

#667EDD #DD8966 #B9DD66

monochromatic

#243EA4 #3454D2 #667EDD #98A8E8 #CAD2F3

Accessibility & contrast

On white

3.75

#667EDD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.59

#667EDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667EDD

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##667EDD	#FFFFFF	#000000	##000000
##667EDD	1.00	3.75	5.59	5.59
#FFFFFF	3.75	1.00	21.00	21.00
#000000	5.59	21.00	1.00	1.00
##000000	5.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5589E1

Deuteranopia (green-blind)

#477FDB

Tritanopia (blue-blind)

#2893A3

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #667edd;
/* rgb */ color: rgb(102, 126, 221);
/* oklch */ color: oklch(61.9% 0.146 270.9);

Tailwind

colors: {
  custom: {
    50: '#99a3e8',
    500: '#667edd',
    950: '#000000',
  },
}

SCSS

$custom: #667edd;
$custom-light: #99a3e8;
$custom-dark: #000000;

JSON

{
  "hex": "#667edd",
  "rgb": {
    "r": 102,
    "g": 126,
    "b": 221
  },
  "hsl": {
    "h": 227.899,
    "s": 63.636,
    "l": 63.333
  },
  "oklch": {
    "l": 0.61907,
    "c": 0.14588,
    "h": 270.9
  },
  "luminance": 0.22967
}

Semantic roles & 50–950 ramp

primary

#667EDD

secondary

#E5DCBA

accent

#A81ACB

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0F16

muted

#7E7E84

Preview Lab

Preview with #667EDD

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

Preview Lab → · Contrast checker → · Palette generator →