#667EFF#667EFF

#667EFF is a light, vivid blue. Relative luminance 0.250; OKLCH L 64.1% C 0.192 H 272.0°. Best body text is #000000 at 5.99:1 contrast (WCAG AA passes).

Color values

HEX	#667EFF
RGB	rgb(102, 126, 255)
HSL	hsl(231, 100%, 70%)
HSV	hsv(231, 60%, 100%)
CMYK	cmyk(60%, 50.6%, 0%, 0%)
CIE-LAB	lab(57.04, 29.29, -67.02)
CIE-LCH	lch(57.04, 73.14, 293.60°)
OKLab	oklab(64.08% 0.0066 -0.192)
OKLCH	oklch(64.08% 0.192 272)
XYZ	xyz(30.9843, 24.9640, 97.7741)
Luminance	0.2497 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#667EFF #FFE766

analogous

#66CBFF #667EFF #9A66FF

triadic

#667EFF #FF667E #7EFF66

tetradic

#667EFF #FF66CB #FFE766 #66FF9A

square

#667EFF #FF66CB #FFE766 #66FF9A

split-complementary

#667EFF #FF9A66 #CBFF66

monochromatic

#0025EB #294AFF #667EFF #A3B2FF #E0E5FF

Accessibility & contrast

On white

3.50

#667EFF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.99

#667EFF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667EFF

5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##667EFF	#FFFFFF	#000000	##000000
##667EFF	1.00	3.50	5.99	5.99
#FFFFFF	3.50	1.00	21.00	21.00
#000000	5.99	21.00	1.00	1.00
##000000	5.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3590FF

Deuteranopia (green-blind)

#0182FC

Tritanopia (blue-blind)

#009CB3

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #667eff;
/* rgb */ color: rgb(102, 126, 255);
/* oklch */ color: oklch(64.1% 0.192 272.0);

Tailwind

colors: {
  custom: {
    50: '#9ea3ff',
    500: '#667eff',
    950: '#000000',
  },
}

SCSS

$custom: #667eff;
$custom-light: #9ea3ff;
$custom-dark: #000000;

JSON

{
  "hex": "#667eff",
  "rgb": {
    "r": 102,
    "g": 126,
    "b": 255
  },
  "hsl": {
    "h": 230.588,
    "s": 100,
    "l": 70
  },
  "oklch": {
    "l": 0.64076,
    "c": 0.1921,
    "h": 272
  },
  "luminance": 0.24966
}

Semantic roles & 50–950 ramp

primary

#667EFF

secondary

#F6EFCB

accent

#C100E6

background

#FAFAFF

surface

#F4F3FF

border

#CECDD7

text

#100F18

muted

#7F7F86

Preview Lab

Preview with #667EFF

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

Preview Lab → · Contrast checker → · Palette generator →