#667CDB#667CDB

#667CDB is a mid, vivid blue. Relative luminance 0.224; OKLCH L 61.4% C 0.146 H 271.7°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#667CDB
RGB	rgb(102, 124, 219)
HSL	hsl(229, 62%, 63%)
HSV	hsv(229, 53%, 86%)
CMYK	cmyk(53.4%, 43.4%, 0%, 14.1%)
CIE-LAB	lab(54.40, 18.91, -51.22)
CIE-LCH	lch(54.40, 54.59, 290.26°)
OKLab	oklab(61.38% 0.0043 -0.1456)
OKLCH	oklch(61.38% 0.146 271.7)
XYZ	xyz(25.4692, 22.3528, 69.9765)
Luminance	0.2235 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#667CDB #DBC566

analogous

#66B6DB #667CDB #8A66DB

triadic

#667CDB #DB667C #7CDB66

tetradic

#667CDB #DB66B6 #DBC566 #66DB8A

square

#667CDB #DB66B6 #DBC566 #66DB8A

split-complementary

#667CDB #DB8A66 #B6DB66

monochromatic

#263DA1 #3452CF #667CDB #98A6E7 #C9D1F2

Accessibility & contrast

On white

3.84

#667CDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.47

#667CDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667CDB

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##667CDB	#FFFFFF	#000000	##000000
##667CDB	1.00	3.84	5.47	5.47
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.47	21.00	1.00	1.00
##000000	5.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5387DF

Deuteranopia (green-blind)

#467DD9

Tritanopia (blue-blind)

#2C91A1

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #667cdb;
/* rgb */ color: rgb(102, 124, 219);
/* oklch */ color: oklch(61.4% 0.146 271.7);

Tailwind

colors: {
  custom: {
    50: '#99a1e7',
    500: '#667cdb',
    950: '#000000',
  },
}

SCSS

$custom: #667cdb;
$custom-light: #99a1e7;
$custom-dark: #000000;

JSON

{
  "hex": "#667cdb",
  "rgb": {
    "r": 102,
    "g": 124,
    "b": 219
  },
  "hsl": {
    "h": 228.718,
    "s": 61.905,
    "l": 62.941
  },
  "oklch": {
    "l": 0.61384,
    "c": 0.14562,
    "h": 271.7
  },
  "luminance": 0.22355
}

Semantic roles & 50–950 ramp

primary

#667CDB

secondary

#E3DCB9

accent

#A91CCA

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0F0E16

muted

#7E7E84

Preview Lab

Preview with #667CDB

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

Preview Lab → · Contrast checker → · Palette generator →