#667CD3#667CD3

#667CD3 is a mid, vivid blue. Relative luminance 0.219; OKLCH L 60.9% C 0.134 H 271.2°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#667CD3
RGB	rgb(102, 124, 211)
HSL	hsl(228, 55%, 61%)
HSV	hsv(228, 52%, 83%)
CMYK	cmyk(51.7%, 41.2%, 0%, 17.3%)
CIE-LAB	lab(53.97, 16.38, -47.39)
CIE-LCH	lch(53.97, 50.15, 289.07°)
OKLab	oklab(60.91% 0.0029 -0.1344)
OKLCH	oklch(60.91% 0.134 271.2)
XYZ	xyz(24.4412, 21.9416, 64.5626)
Luminance	0.2194 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#667CD3 #D3BD66

analogous

#66B3D3 #667CD3 #8766D3

triadic

#667CD3 #D3667C #7CD366

tetradic

#667CD3 #D366B3 #D3BD66 #66D387

square

#667CD3 #D366B3 #D3BD66 #66D387

split-complementary

#667CD3 #D38766 #B3D366

monochromatic

#2B4094 #3854C4 #667CD3 #96A5E1 #C5CDEE

Accessibility & contrast

On white

3.90

#667CD3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#667CD3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667CD3

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##667CD3	#FFFFFF	#000000	##000000
##667CD3	1.00	3.90	5.39	5.39
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5986D6

Deuteranopia (green-blind)

#4D7DD1

Tritanopia (blue-blind)

#348F9D

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #667cd3;
/* rgb */ color: rgb(102, 124, 211);
/* oklch */ color: oklch(60.9% 0.134 271.2);

Tailwind

colors: {
  custom: {
    50: '#98a1e1',
    500: '#667cd3',
    950: '#000000',
  },
}

SCSS

$custom: #667cd3;
$custom-light: #98a1e1;
$custom-dark: #000000;

JSON

{
  "hex": "#667cd3",
  "rgb": {
    "r": 102,
    "g": 124,
    "b": 211
  },
  "hsl": {
    "h": 227.89,
    "s": 55.33,
    "l": 61.373
  },
  "oklch": {
    "l": 0.6091,
    "c": 0.13439,
    "h": 271.2
  },
  "luminance": 0.21943
}

Semantic roles & 50–950 ramp

primary

#667CD3

secondary

#DFD7B6

accent

#A323C3

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #667CD3

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

Preview Lab → · Contrast checker → · Palette generator →