#667DCB#667DCB

#667DCB is a mid, vivid blue. Relative luminance 0.218; OKLCH L 60.7% C 0.122 H 270.1°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#667DCB
RGB	rgb(102, 125, 203)
HSL	hsl(226, 49%, 60%)
HSV	hsv(226, 50%, 80%)
CMYK	cmyk(49.8%, 38.4%, 0%, 20.4%)
CIE-LAB	lab(53.82, 13.28, -43.10)
CIE-LCH	lch(53.82, 45.10, 287.13°)
OKLab	oklab(60.66% 0.0001 -0.1218)
OKLCH	oklch(60.66% 0.122 270.1)
XYZ	xyz(23.5891, 21.8023, 59.4536)
Luminance	0.2180 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#667DCB #CBB466

analogous

#66AFCB #667DCB #8266CB

triadic

#667DCB #CB667D #7DCB66

tetradic

#667DCB #CB66AF #CBB466 #66CB82

square

#667DCB #CB66AF #CBB466 #66CB82

split-complementary

#667DCB #CB8266 #AFCB66

monochromatic

#2E4388 #3E59B6 #667DCB #94A4DB #C1CBEA

Accessibility & contrast

On white

3.92

#667DCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#667DCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667DCB

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##667DCB	#FFFFFF	#000000	##000000
##667DCB	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F85CE

Deuteranopia (green-blind)

#547DC9

Tritanopia (blue-blind)

#3B8E9A

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #667dcb;
/* rgb */ color: rgb(102, 125, 203);
/* oklch */ color: oklch(60.7% 0.122 270.1);

Tailwind

colors: {
  custom: {
    50: '#97a2db',
    500: '#667dcb',
    950: '#000000',
  },
}

SCSS

$custom: #667dcb;
$custom-light: #97a2db;
$custom-dark: #000000;

JSON

{
  "hex": "#667dcb",
  "rgb": {
    "r": 102,
    "g": 125,
    "b": 203
  },
  "hsl": {
    "h": 226.337,
    "s": 49.268,
    "l": 59.804
  },
  "oklch": {
    "l": 0.6066,
    "c": 0.12179,
    "h": 270.1
  },
  "luminance": 0.21804
}

Semantic roles & 50–950 ramp

primary

#667DCB

secondary

#DAD1B3

accent

#B94FD9

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0F15

muted

#7E7E83

Preview Lab

Preview with #667DCB

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

Preview Lab → · Contrast checker → · Palette generator →