#667BDB#667BDB

#667BDB is a mid, vivid blue. Relative luminance 0.221; OKLCH L 61.2% C 0.147 H 272.1°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#667BDB
RGB	rgb(102, 123, 219)
HSL	hsl(229, 62%, 63%)
HSV	hsv(229, 53%, 86%)
CMYK	cmyk(53.4%, 43.8%, 0%, 14.1%)
CIE-LAB	lab(54.14, 19.51, -51.64)
CIE-LCH	lch(54.14, 55.20, 290.70°)
OKLab	oklab(61.18% 0.0054 -0.1468)
OKLCH	oklch(61.18% 0.147 272.1)
XYZ	xyz(25.3445, 22.1034, 69.9350)
Luminance	0.2210 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#667BDB #DBC666

analogous

#66B5DB #667BDB #8B66DB

triadic

#667BDB #DB667B #7BDB66

tetradic

#667BDB #DB66B5 #DBC666 #66DB8B

square

#667BDB #DB66B5 #DBC666 #66DB8B

split-complementary

#667BDB #DB8B66 #B5DB66

monochromatic

#263CA1 #3450CF #667BDB #98A6E7 #C9D0F2

Accessibility & contrast

On white

3.87

#667BDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#667BDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667BDB

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##667BDB	#FFFFFF	#000000	##000000
##667BDB	1.00	3.87	5.42	5.42
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.42	21.00	1.00	1.00
##000000	5.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5287DF

Deuteranopia (green-blind)

#447DD9

Tritanopia (blue-blind)

#2C90A0

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #667bdb;
/* rgb */ color: rgb(102, 123, 219);
/* oklch */ color: oklch(61.2% 0.147 272.1);

Tailwind

colors: {
  custom: {
    50: '#99a0e7',
    500: '#667bdb',
    950: '#000000',
  },
}

SCSS

$custom: #667bdb;
$custom-light: #99a0e7;
$custom-dark: #000000;

JSON

{
  "hex": "#667bdb",
  "rgb": {
    "r": 102,
    "g": 123,
    "b": 219
  },
  "hsl": {
    "h": 229.231,
    "s": 61.905,
    "l": 62.941
  },
  "oklch": {
    "l": 0.61183,
    "c": 0.1469,
    "h": 272.1
  },
  "luminance": 0.22105
}

Semantic roles & 50–950 ramp

primary

#667BDB

secondary

#E3DCB9

accent

#AA1CCA

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0F0E16

muted

#7E7E84

Preview Lab

Preview with #667BDB

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

Preview Lab → · Contrast checker → · Palette generator →