#667EA3#667EA3

#667EA3 is a mid, moderate blue. Relative luminance 0.204; OKLCH L 58.9% C 0.064 H 258.9°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#667EA3
RGB	rgb(102, 126, 163)
HSL	hsl(216, 25%, 52%)
HSV	hsv(216, 37%, 64%)
CMYK	cmyk(37.4%, 22.7%, 0%, 36.1%)
CIE-LAB	lab(52.28, 0.85, -22.54)
CIE-LCH	lch(52.28, 22.55, 272.17°)
OKLab	oklab(58.87% -0.0122 -0.0624)
OKLCH	oklch(58.87% 0.064 258.9)
XYZ	xyz(19.5492, 20.3899, 37.5488)
Luminance	0.2039 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#667EA3 #A38B66

analogous

#669DA3 #667EA3 #6D66A3

triadic

#667EA3 #A3667E #7EA366

tetradic

#667EA3 #A3669D #A38B66 #66A36D

square

#667EA3 #A3669D #A38B66 #66A36D

split-complementary

#667EA3 #A36D66 #9DA366

monochromatic

#364459 #4D607F #667EA3 #8C9EBA #B2BED1

Accessibility & contrast

On white

4.14

#667EA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#667EA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667EA3

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##667EA3	#FFFFFF	#000000	##000000
##667EA3	1.00	4.14	5.08	5.08
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7180A5

Deuteranopia (green-blind)

#6A7AA2

Tritanopia (blue-blind)

#52868B

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #667ea3;
/* rgb */ color: rgb(102, 126, 163);
/* oklch */ color: oklch(58.9% 0.064 258.9);

Tailwind

colors: {
  custom: {
    50: '#94a3be',
    500: '#667ea3',
    950: '#000000',
  },
}

SCSS

$custom: #667ea3;
$custom-light: #94a3be;
$custom-dark: #000000;

JSON

{
  "hex": "#667ea3",
  "rgb": {
    "r": 102,
    "g": 126,
    "b": 163
  },
  "hsl": {
    "h": 216.393,
    "s": 24.898,
    "l": 51.961
  },
  "oklch": {
    "l": 0.58865,
    "c": 0.06361,
    "h": 258.9
  },
  "luminance": 0.20391
}

Semantic roles & 50–950 ramp

primary

#667EA3

secondary

#C0B5A5

accent

#9E66C1

background

#F9FAFB

surface

#F1F3F6

border

#CBCDD0

text

#0D0F12

muted

#7E7F81

Preview Lab

Preview with #667EA3

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

Preview Lab → · Contrast checker → · Palette generator →