#667CCF#667CCF

#667CCF is a mid, vivid blue. Relative luminance 0.217; OKLCH L 60.7% C 0.129 H 271.0°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#667CCF
RGB	rgb(102, 124, 207)
HSL	hsl(227, 52%, 61%)
HSV	hsv(227, 51%, 81%)
CMYK	cmyk(50.7%, 40.1%, 0%, 18.8%)
CIE-LAB	lab(53.75, 15.13, -45.46)
CIE-LCH	lch(53.75, 47.92, 288.41°)
OKLab	oklab(60.68% 0.0021 -0.1287)
OKLCH	oklch(60.68% 0.129 271)
XYZ	xyz(23.9460, 21.7435, 61.9545)
Luminance	0.2175 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#667CCF #CFB966

analogous

#66B0CF #667CCF #8466CF

triadic

#667CCF #CF667C #7CCF66

tetradic

#667CCF #CF66B0 #CFB966 #66CF84

square

#667CCF #CF66B0 #CFB966 #66CF84

split-complementary

#667CCF #CF8466 #B0CF66

monochromatic

#2D418E #3B56BD #667CCF #95A4DE #C3CCEC

Accessibility & contrast

On white

3.93

#667CCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#667CCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667CCF

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##667CCF	#FFFFFF	#000000	##000000
##667CCF	1.00	3.93	5.35	5.35
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B85D2

Deuteranopia (green-blind)

#507CCD

Tritanopia (blue-blind)

#388E9B

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #667ccf;
/* rgb */ color: rgb(102, 124, 207);
/* oklch */ color: oklch(60.7% 0.129 271.0);

Tailwind

colors: {
  custom: {
    50: '#98a1de',
    500: '#667ccf',
    950: '#000000',
  },
}

SCSS

$custom: #667ccf;
$custom-light: #98a1de;
$custom-dark: #000000;

JSON

{
  "hex": "#667ccf",
  "rgb": {
    "r": 102,
    "g": 124,
    "b": 207
  },
  "hsl": {
    "h": 227.429,
    "s": 52.239,
    "l": 60.588
  },
  "oklch": {
    "l": 0.60679,
    "c": 0.12874,
    "h": 271
  },
  "luminance": 0.21745
}

Semantic roles & 50–950 ramp

primary

#667CCF

secondary

#DCD4B4

accent

#9F26C0

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #667CCF

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

Preview Lab → · Contrast checker → · Palette generator →