#667CCB#667CCB

#667CCB is a mid, vivid blue. Relative luminance 0.216; OKLCH L 60.5% C 0.123 H 270.6°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#667CCB
RGB	rgb(102, 124, 203)
HSL	hsl(227, 49%, 60%)
HSV	hsv(227, 50%, 80%)
CMYK	cmyk(49.8%, 38.9%, 0%, 20.4%)
CIE-LAB	lab(53.55, 13.89, -43.52)
CIE-LCH	lch(53.55, 45.68, 287.69°)
OKLab	oklab(60.45% 0.0013 -0.123)
OKLCH	oklch(60.45% 0.123 270.6)
XYZ	xyz(23.4632, 21.5504, 59.4116)
Luminance	0.2155 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#667CCB #CBB566

analogous

#66AECB #667CCB #8366CB

triadic

#667CCB #CB667C #7CCB66

tetradic

#667CCB #CB66AE #CBB566 #66CB83

square

#667CCB #CB66AE #CBB566 #66CB83

split-complementary

#667CCB #CB8366 #AECB66

monochromatic

#2E4288 #3E58B6 #667CCB #94A3DB #C1CAEA

Accessibility & contrast

On white

3.95

#667CCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#667CCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667CCB

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##667CCB	#FFFFFF	#000000	##000000
##667CCB	1.00	3.95	5.31	5.31
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D85CE

Deuteranopia (green-blind)

#537CC9

Tritanopia (blue-blind)

#3C8D9A

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #667ccb;
/* rgb */ color: rgb(102, 124, 203);
/* oklch */ color: oklch(60.5% 0.123 270.6);

Tailwind

colors: {
  custom: {
    50: '#97a1db',
    500: '#667ccb',
    950: '#000000',
  },
}

SCSS

$custom: #667ccb;
$custom-light: #97a1db;
$custom-dark: #000000;

JSON

{
  "hex": "#667ccb",
  "rgb": {
    "r": 102,
    "g": 124,
    "b": 203
  },
  "hsl": {
    "h": 226.931,
    "s": 49.268,
    "l": 59.804
  },
  "oklch": {
    "l": 0.60452,
    "c": 0.12305,
    "h": 270.6
  },
  "luminance": 0.21552
}

Semantic roles & 50–950 ramp

primary

#667CCB

secondary

#DAD1B3

accent

#BB4FD9

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #667CCB

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

Preview Lab → · Contrast checker → · Palette generator →