#667BB9#667BB9

#667BB9 is a mid, moderate blue. Relative luminance 0.205; OKLCH L 59.3% C 0.098 H 269.0°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#667BB9
RGB	rgb(102, 123, 185)
HSL	hsl(225, 37%, 56%)
HSV	hsv(225, 45%, 73%)
CMYK	cmyk(44.9%, 33.5%, 0%, 27.5%)
CIE-LAB	lab(52.39, 9.00, -35.06)
CIE-LCH	lch(52.39, 36.20, 284.40°)
OKLab	oklab(59.27% -0.0017 -0.0984)
OKLCH	oklch(59.27% 0.098 269)
XYZ	xyz(21.3166, 20.4923, 48.7217)
Luminance	0.2049 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#667BB9 #B9A466

analogous

#66A5B9 #667BB9 #7B66B9

triadic

#667BB9 #B9667B #7BB966

tetradic

#667BB9 #B966A5 #B9A466 #66B97B

square

#667BB9 #B966A5 #B9A466 #66B97B

split-complementary

#667BB9 #B97B66 #A5B966

monochromatic

#344371 #475C9B #667BB9 #909FCC #BAC3DF

Accessibility & contrast

On white

4.12

#667BB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#667BB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667BB9

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##667BB9	#FFFFFF	#000000	##000000
##667BB9	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6581BC

Deuteranopia (green-blind)

#5D7AB8

Tritanopia (blue-blind)

#488891

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #667bb9;
/* rgb */ color: rgb(102, 123, 185);
/* oklch */ color: oklch(59.3% 0.098 269.0);

Tailwind

colors: {
  custom: {
    50: '#95a1ce',
    500: '#667bb9',
    950: '#000000',
  },
}

SCSS

$custom: #667bb9;
$custom-light: #95a1ce;
$custom-dark: #000000;

JSON

{
  "hex": "#667bb9",
  "rgb": {
    "r": 102,
    "g": 123,
    "b": 185
  },
  "hsl": {
    "h": 224.819,
    "s": 37.22,
    "l": 56.275
  },
  "oklch": {
    "l": 0.59269,
    "c": 0.09843,
    "h": 269
  },
  "luminance": 0.20493
}

Semantic roles & 50–950 ramp

primary

#667BB9

secondary

#CEC6AC

accent

#B05BCD

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0E0E13

muted

#7E7E82

Preview Lab

Preview with #667BB9

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

Preview Lab → · Contrast checker → · Palette generator →