#667BB2#667BB2

#667BB2 is a mid, moderate blue. Relative luminance 0.202; OKLCH L 58.9% C 0.088 H 267.7°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#667BB2
RGB	rgb(102, 123, 178)
HSL	hsl(223, 33%, 55%)
HSV	hsv(223, 43%, 70%)
CMYK	cmyk(42.7%, 30.9%, 0%, 30.2%)
CIE-LAB	lab(52.07, 6.93, -31.54)
CIE-LCH	lch(52.07, 32.29, 282.39°)
OKLab	oklab(58.91% -0.0036 -0.0882)
OKLCH	oklch(58.91% 0.088 267.7)
XYZ	xyz(20.5958, 20.2040, 44.9254)
Luminance	0.2021 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#667BB2 #B29D66

analogous

#66A1B2 #667BB2 #7766B2

triadic

#667BB2 #B2667B #7BB266

tetradic

#667BB2 #B266A1 #B29D66 #66B277

square

#667BB2 #B266A1 #B29D66 #66B277

split-complementary

#667BB2 #B27766 #A1B266

monochromatic

#354369 #495D92 #667BB2 #8F9EC6 #B7C1DB

Accessibility & contrast

On white

4.17

#667BB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#667BB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667BB2

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##667BB2	#FFFFFF	#000000	##000000
##667BB2	1.00	4.17	5.04	5.04
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6880B4

Deuteranopia (green-blind)

#6079B1

Tritanopia (blue-blind)

#4C868F

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #667bb2;
/* rgb */ color: rgb(102, 123, 178);
/* oklch */ color: oklch(58.9% 0.088 267.7);

Tailwind

colors: {
  custom: {
    50: '#95a1c9',
    500: '#667bb2',
    950: '#000000',
  },
}

SCSS

$custom: #667bb2;
$custom-light: #95a1c9;
$custom-dark: #000000;

JSON

{
  "hex": "#667bb2",
  "rgb": {
    "r": 102,
    "g": 123,
    "b": 178
  },
  "hsl": {
    "h": 223.421,
    "s": 33.043,
    "l": 54.902
  },
  "oklch": {
    "l": 0.58913,
    "c": 0.08829,
    "h": 267.7
  },
  "luminance": 0.20205
}

Semantic roles & 50–950 ramp

primary

#667BB2

secondary

#CAC1AA

accent

#AC5FC9

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0E13

muted

#7E7E82

Preview Lab

Preview with #667BB2

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

Preview Lab → · Contrast checker → · Palette generator →