#667EB4#667EB4

#667EB4 is a mid, moderate blue. Relative luminance 0.210; OKLCH L 59.7% C 0.088 H 265.5°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#667EB4
RGB	rgb(102, 126, 180)
HSL	hsl(222, 34%, 55%)
HSV	hsv(222, 43%, 71%)
CMYK	cmyk(43.3%, 30%, 0%, 29.4%)
CIE-LAB	lab(52.99, 5.73, -31.24)
CIE-LCH	lch(52.99, 31.76, 280.39°)
OKLab	oklab(59.66% -0.0069 -0.0874)
OKLCH	oklch(59.66% 0.088 265.5)
XYZ	xyz(21.1760, 21.0406, 46.1166)
Luminance	0.2104 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#667EB4 #B49C66

analogous

#66A5B4 #667EB4 #7566B4

triadic

#667EB4 #B4667E #7EB466

tetradic

#667EB4 #B466A5 #B49C66 #66B475

square

#667EB4 #B466A5 #B49C66 #66B475

split-complementary

#667EB4 #B47566 #A5B466

monochromatic

#34456B #496094 #667EB4 #8FA1C8 #B8C3DC

Accessibility & contrast

On white

4.03

#667EB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#667EB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667EB4

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##667EB4	#FFFFFF	#000000	##000000
##667EB4	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B82B6

Deuteranopia (green-blind)

#637BB3

Tritanopia (blue-blind)

#4A8991

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #667eb4;
/* rgb */ color: rgb(102, 126, 180);
/* oklch */ color: oklch(59.7% 0.088 265.5);

Tailwind

colors: {
  custom: {
    50: '#95a3ca',
    500: '#667eb4',
    950: '#000000',
  },
}

SCSS

$custom: #667eb4;
$custom-light: #95a3ca;
$custom-dark: #000000;

JSON

{
  "hex": "#667eb4",
  "rgb": {
    "r": 102,
    "g": 126,
    "b": 180
  },
  "hsl": {
    "h": 221.538,
    "s": 34.211,
    "l": 55.294
  },
  "oklch": {
    "l": 0.59663,
    "c": 0.08764,
    "h": 265.5
  },
  "luminance": 0.21042
}

Semantic roles & 50–950 ramp

primary

#667EB4

secondary

#CBC1AB

accent

#A95ECA

background

#F9FAFC

surface

#F2F3F8

border

#CCCDD1

text

#0D0F13

muted

#7E7F82

Preview Lab

Preview with #667EB4

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

Preview Lab → · Contrast checker → · Palette generator →