#667BFF#667BFF

#667BFF is a light, vivid blue. Relative luminance 0.242; OKLCH L 63.5% C 0.196 H 272.8°. Best body text is #000000 at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#667BFF
RGB	rgb(102, 123, 255)
HSL	hsl(232, 100%, 70%)
HSV	hsv(232, 60%, 100%)
CMYK	cmyk(60%, 51.8%, 0%, 0%)
CIE-LAB	lab(56.30, 31.09, -68.22)
CIE-LCH	lch(56.30, 74.97, 294.50°)
OKLab	oklab(63.51% 0.0095 -0.1955)
OKLCH	oklch(63.51% 0.196 272.8)
XYZ	xyz(30.6065, 24.2082, 97.6481)
Luminance	0.2421 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#667BFF #FFEA66

analogous

#66C7FF #667BFF #9E66FF

triadic

#667BFF #FF667B #7BFF66

tetradic

#667BFF #FF66C7 #FFEA66 #66FF9E

square

#667BFF #FF66C7 #FFEA66 #66FF9E

split-complementary

#667BFF #FF9E66 #C7FF66

monochromatic

#0020EB #2946FF #667BFF #A3B0FF #E0E5FF

Accessibility & contrast

On white

3.59

#667BFF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.84

#667BFF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667BFF

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##667BFF	#FFFFFF	#000000	##000000
##667BFF	1.00	3.59	5.84	5.84
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.84	21.00	1.00	1.00
##000000	5.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B8EFF

Deuteranopia (green-blind)

#0081FC

Tritanopia (blue-blind)

#009AB1

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #667bff;
/* rgb */ color: rgb(102, 123, 255);
/* oklch */ color: oklch(63.5% 0.196 272.8);

Tailwind

colors: {
  custom: {
    50: '#9ea0ff',
    500: '#667bff',
    950: '#000000',
  },
}

SCSS

$custom: #667bff;
$custom-light: #9ea0ff;
$custom-dark: #000000;

JSON

{
  "hex": "#667bff",
  "rgb": {
    "r": 102,
    "g": 123,
    "b": 255
  },
  "hsl": {
    "h": 231.765,
    "s": 100,
    "l": 70
  },
  "oklch": {
    "l": 0.63514,
    "c": 0.19578,
    "h": 272.8
  },
  "luminance": 0.24211
}

Semantic roles & 50–950 ramp

primary

#667BFF

secondary

#F6F0CB

accent

#C600E6

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#100E18

muted

#7F7E86

Preview Lab

Preview with #667BFF

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

Preview Lab → · Contrast checker → · Palette generator →