#667DDB#667DDB

#667DDB is a mid, vivid blue. Relative luminance 0.226; OKLCH L 61.6% C 0.144 H 271.3°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#667DDB
RGB	rgb(102, 125, 219)
HSL	hsl(228, 62%, 63%)
HSV	hsv(228, 53%, 86%)
CMYK	cmyk(53.4%, 42.9%, 0%, 14.1%)
CIE-LAB	lab(54.66, 18.30, -50.80)
CIE-LCH	lch(54.66, 53.99, 289.81°)
OKLab	oklab(61.59% 0.0032 -0.1443)
OKLCH	oklch(61.59% 0.144 271.3)
XYZ	xyz(25.5951, 22.6047, 70.0185)
Luminance	0.2261 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#667DDB #DBC466

analogous

#66B7DB #667DDB #8966DB

triadic

#667DDB #DB667D #7DDB66

tetradic

#667DDB #DB66B7 #DBC466 #66DB89

square

#667DDB #DB66B7 #DBC466 #66DB89

split-complementary

#667DDB #DB8966 #B7DB66

monochromatic

#263EA1 #3453CF #667DDB #98A7E7 #C9D1F2

Accessibility & contrast

On white

3.80

#667DDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#667DDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667DDB

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##667DDB	#FFFFFF	#000000	##000000
##667DDB	1.00	3.80	5.52	5.52
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.52	21.00	1.00	1.00
##000000	5.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5588DF

Deuteranopia (green-blind)

#477ED9

Tritanopia (blue-blind)

#2B91A1

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #667ddb;
/* rgb */ color: rgb(102, 125, 219);
/* oklch */ color: oklch(61.6% 0.144 271.3);

Tailwind

colors: {
  custom: {
    50: '#99a2e7',
    500: '#667ddb',
    950: '#000000',
  },
}

SCSS

$custom: #667ddb;
$custom-light: #99a2e7;
$custom-dark: #000000;

JSON

{
  "hex": "#667ddb",
  "rgb": {
    "r": 102,
    "g": 125,
    "b": 219
  },
  "hsl": {
    "h": 228.205,
    "s": 61.905,
    "l": 62.941
  },
  "oklch": {
    "l": 0.61586,
    "c": 0.14436,
    "h": 271.3
  },
  "luminance": 0.22606
}

Semantic roles & 50–950 ramp

primary

#667DDB

secondary

#E3DBB9

accent

#A71CCA

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0F0F16

muted

#7E7E84

Preview Lab

Preview with #667DDB

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

Preview Lab → · Contrast checker → · Palette generator →