#667FDD#667FDD

#667FDD is a light, vivid blue. Relative luminance 0.232; OKLCH L 62.1% C 0.145 H 270.5°. Best body text is #000000 at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#667FDD
RGB	rgb(102, 127, 221)
HSL	hsl(227, 64%, 63%)
HSV	hsv(227, 54%, 87%)
CMYK	cmyk(53.8%, 42.5%, 0%, 13.3%)
CIE-LAB	lab(55.30, 17.73, -50.91)
CIE-LCH	lch(55.30, 53.90, 289.20°)
OKLab	oklab(62.11% 0.0013 -0.1446)
OKLCH	oklch(62.11% 0.145 270.5)
XYZ	xyz(26.1157, 23.2221, 71.4987)
Luminance	0.2322 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#667FDD #DDC466

analogous

#66BADD #667FDD #8866DD

triadic

#667FDD #DD667F #7FDD66

tetradic

#667FDD #DD66BA #DDC466 #66DD88

square

#667FDD #DD66BA #DDC466 #66DD88

split-complementary

#667FDD #DD8866 #BADD66

monochromatic

#243FA4 #3455D2 #667FDD #98A9E8 #CAD3F3

Accessibility & contrast

On white

3.72

#667FDD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.64

#667FDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667FDD

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##667FDD	#FFFFFF	#000000	##000000
##667FDD	1.00	3.72	5.64	5.64
#FFFFFF	3.72	1.00	21.00	21.00
#000000	5.64	21.00	1.00	1.00
##000000	5.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#578AE1

Deuteranopia (green-blind)

#4980DB

Tritanopia (blue-blind)

#2893A3

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #667fdd;
/* rgb */ color: rgb(102, 127, 221);
/* oklch */ color: oklch(62.1% 0.145 270.5);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#667fdd",
  "rgb": {
    "r": 102,
    "g": 127,
    "b": 221
  },
  "hsl": {
    "h": 227.395,
    "s": 63.636,
    "l": 63.333
  },
  "oklch": {
    "l": 0.62109,
    "c": 0.14463,
    "h": 270.5
  },
  "luminance": 0.23224
}

Semantic roles & 50–950 ramp

primary

#667FDD

secondary

#E5DCBA

accent

#A61ACB

background

#F9FAFE

surface

#F2F3FD

border

#CCCDD5

text

#0F0F16

muted

#7E7F84

Preview Lab

Preview with #667FDD

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

Preview Lab → · Contrast checker → · Palette generator →