#667DFB#667DFB

#667DFB is a light, vivid blue. Relative luminance 0.245; OKLCH L 63.6% C 0.188 H 272.2°. Best body text is #000000 at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#667DFB
RGB	rgb(102, 125, 251)
HSL	hsl(231, 95%, 69%)
HSV	hsv(231, 59%, 98%)
CMYK	cmyk(59.4%, 50.2%, 0%, 1.6%)
CIE-LAB	lab(56.54, 28.59, -65.62)
CIE-LCH	lch(56.54, 71.58, 293.54°)
OKLab	oklab(63.62% 0.0073 -0.1879)
OKLCH	oklch(63.62% 0.188 272.2)
XYZ	xyz(30.2199, 24.4546, 94.3758)
Luminance	0.2446 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#667DFB #FBE466

analogous

#66C8FB #667DFB #9A66FB

triadic

#667DFB #FB667D #7DFB66

tetradic

#667DFB #FB66C8 #FBE466 #66FB9A

square

#667DFB #FB66C8 #FBE466 #66FB9A

split-complementary

#667DFB #FB9A66 #C8FB66

monochromatic

#0628E1 #2A4AF9 #667DFB #A2B0FD #DDE2FE

Accessibility & contrast

On white

3.56

#667DFB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.89

#667DFB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667DFB

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##667DFB	#FFFFFF	#000000	##000000
##667DFB	1.00	3.56	5.89	5.89
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.89	21.00	1.00	1.00
##000000	5.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#378EFF

Deuteranopia (green-blind)

#1081F8

Tritanopia (blue-blind)

#009AB0

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #667dfb;
/* rgb */ color: rgb(102, 125, 251);
/* oklch */ color: oklch(63.6% 0.188 272.2);

Tailwind

colors: {
  custom: {
    50: '#9ea2fd',
    500: '#667dfb',
    950: '#000000',
  },
}

SCSS

$custom: #667dfb;
$custom-light: #9ea2fd;
$custom-dark: #000000;

JSON

{
  "hex": "#667dfb",
  "rgb": {
    "r": 102,
    "g": 125,
    "b": 251
  },
  "hsl": {
    "h": 230.738,
    "s": 94.904,
    "l": 69.216
  },
  "oklch": {
    "l": 0.63618,
    "c": 0.18802,
    "h": 272.2
  },
  "luminance": 0.24457
}

Semantic roles & 50–950 ramp

primary

#667DFB

secondary

#F4EDC9

accent

#C200E6

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#100F18

muted

#7F7E86

Preview Lab

Preview with #667DFB

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

Preview Lab → · Contrast checker → · Palette generator →