#667EB2#667EB2

#667EB2 is a mid, moderate blue. Relative luminance 0.210; OKLCH L 59.6% C 0.085 H 264.9°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#667EB2
RGB	rgb(102, 126, 178)
HSL	hsl(221, 33%, 55%)
HSV	hsv(221, 43%, 70%)
CMYK	cmyk(42.7%, 29.2%, 0%, 30.2%)
CIE-LAB	lab(52.91, 5.14, -30.23)
CIE-LCH	lch(52.91, 30.66, 279.65°)
OKLab	oklab(59.57% -0.0075 -0.0844)
OKLCH	oklch(59.57% 0.085 264.9)
XYZ	xyz(20.9737, 20.9597, 45.0513)
Luminance	0.2096 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#667EB2 #B29A66

analogous

#66A4B2 #667EB2 #7466B2

triadic

#667EB2 #B2667E #7EB266

tetradic

#667EB2 #B266A4 #B29A66 #66B274

square

#667EB2 #B266A4 #B29A66 #66B274

split-complementary

#667EB2 #B27466 #A4B266

monochromatic

#354569 #496092 #667EB2 #8FA0C6 #B7C3DB

Accessibility & contrast

On white

4.04

#667EB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#667EB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667EB2

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##667EB2	#FFFFFF	#000000	##000000
##667EB2	1.00	4.04	5.19	5.19
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C82B4

Deuteranopia (green-blind)

#647BB1

Tritanopia (blue-blind)

#4B8990

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #667eb2;
/* rgb */ color: rgb(102, 126, 178);
/* oklch */ color: oklch(59.6% 0.085 264.9);

Tailwind

colors: {
  custom: {
    50: '#95a3c9',
    500: '#667eb2',
    950: '#000000',
  },
}

SCSS

$custom: #667eb2;
$custom-light: #95a3c9;
$custom-dark: #000000;

JSON

{
  "hex": "#667eb2",
  "rgb": {
    "r": 102,
    "g": 126,
    "b": 178
  },
  "hsl": {
    "h": 221.053,
    "s": 33.043,
    "l": 54.902
  },
  "oklch": {
    "l": 0.59565,
    "c": 0.08478,
    "h": 264.9
  },
  "luminance": 0.20961
}

Semantic roles & 50–950 ramp

primary

#667EB2

secondary

#CAC0AA

accent

#A85FC9

background

#F9FAFC

surface

#F2F3F8

border

#CCCDD1

text

#0D0F13

muted

#7E7F82

Preview Lab

Preview with #667EB2

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

Preview Lab → · Contrast checker → · Palette generator →