#667DDA#667DDA

#667DDA is a mid, vivid blue. Relative luminance 0.226; OKLCH L 61.5% C 0.143 H 271.2°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#667DDA
RGB	rgb(102, 125, 218)
HSL	hsl(228, 61%, 63%)
HSV	hsv(228, 53%, 85%)
CMYK	cmyk(53.2%, 42.7%, 0%, 14.5%)
CIE-LAB	lab(54.61, 17.98, -50.32)
CIE-LCH	lch(54.61, 53.44, 289.67°)
OKLab	oklab(61.53% 0.003 -0.1429)
OKLCH	oklch(61.53% 0.143 271.2)
XYZ	xyz(25.4639, 22.5522, 69.3273)
Luminance	0.2255 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#667DDA #DAC366

analogous

#66B7DA #667DDA #8966DA

triadic

#667DDA #DA667D #7DDA66

tetradic

#667DDA #DA66B7 #DAC366 #66DA89

square

#667DDA #DA66B7 #DAC366 #66DA89

split-complementary

#667DDA #DA8966 #B7DA66

monochromatic

#263E9F #3553CE #667DDA #97A7E6 #C9D1F2

Accessibility & contrast

On white

3.81

#667DDA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#667DDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667DDA

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##667DDA	#FFFFFF	#000000	##000000
##667DDA	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5688DE

Deuteranopia (green-blind)

#487ED8

Tritanopia (blue-blind)

#2D91A1

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #667dda;
/* rgb */ color: rgb(102, 125, 218);
/* oklch */ color: oklch(61.5% 0.143 271.2);

Tailwind

colors: {
  custom: {
    50: '#99a2e6',
    500: '#667dda',
    950: '#000000',
  },
}

SCSS

$custom: #667dda;
$custom-light: #99a2e6;
$custom-dark: #000000;

JSON

{
  "hex": "#667dda",
  "rgb": {
    "r": 102,
    "g": 125,
    "b": 218
  },
  "hsl": {
    "h": 228.103,
    "s": 61.053,
    "l": 62.745
  },
  "oklch": {
    "l": 0.61526,
    "c": 0.14296,
    "h": 271.2
  },
  "luminance": 0.22554
}

Semantic roles & 50–950 ramp

primary

#667DDA

secondary

#E3DBB9

accent

#A71DC9

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0F16

muted

#7E7E84

Preview Lab

Preview with #667DDA

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

Preview Lab → · Contrast checker → · Palette generator →