#667CB2#667CB2

#667CB2 is a mid, moderate blue. Relative luminance 0.205; OKLCH L 59.1% C 0.087 H 266.8°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#667CB2
RGB	rgb(102, 124, 178)
HSL	hsl(223, 33%, 55%)
HSV	hsv(223, 43%, 70%)
CMYK	cmyk(42.7%, 30.3%, 0%, 30.2%)
CIE-LAB	lab(52.35, 6.33, -31.10)
CIE-LCH	lch(52.35, 31.74, 281.50°)
OKLab	oklab(59.13% -0.0049 -0.087)
OKLCH	oklch(59.13% 0.087 266.8)
XYZ	xyz(20.7205, 20.4533, 44.9669)
Luminance	0.2045 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#667CB2 #B29C66

analogous

#66A2B2 #667CB2 #7666B2

triadic

#667CB2 #B2667C #7CB266

tetradic

#667CB2 #B266A2 #B29C66 #66B276

square

#667CB2 #B266A2 #B29C66 #66B276

split-complementary

#667CB2 #B27666 #A2B266

monochromatic

#354469 #495E92 #667CB2 #8F9FC6 #B7C2DB

Accessibility & contrast

On white

4.13

#667CB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#667CB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667CB2

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##667CB2	#FFFFFF	#000000	##000000
##667CB2	1.00	4.13	5.09	5.09
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6981B4

Deuteranopia (green-blind)

#617AB1

Tritanopia (blue-blind)

#4C878F

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #667cb2;
/* rgb */ color: rgb(102, 124, 178);
/* oklch */ color: oklch(59.1% 0.087 266.8);

Tailwind

colors: {
  custom: {
    50: '#95a1c9',
    500: '#667cb2',
    950: '#000000',
  },
}

SCSS

$custom: #667cb2;
$custom-light: #95a1c9;
$custom-dark: #000000;

JSON

{
  "hex": "#667cb2",
  "rgb": {
    "r": 102,
    "g": 124,
    "b": 178
  },
  "hsl": {
    "h": 222.632,
    "s": 33.043,
    "l": 54.902
  },
  "oklch": {
    "l": 0.5913,
    "c": 0.0871,
    "h": 266.8
  },
  "luminance": 0.20454
}

Semantic roles & 50–950 ramp

primary

#667CB2

secondary

#CAC1AA

accent

#AA5FC9

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0F13

muted

#7E7E82

Preview Lab

Preview with #667CB2

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

Preview Lab → · Contrast checker → · Palette generator →