#668FCB#668FCB

#668FCB is a light, moderate blue. Relative luminance 0.268; OKLCH L 64.5% C 0.101 H 257.8°. Best body text is #000000 at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#668FCB
RGB	rgb(102, 143, 203)
HSL	hsl(216, 49%, 60%)
HSV	hsv(216, 50%, 80%)
CMYK	cmyk(49.8%, 29.6%, 0%, 20.4%)
CIE-LAB	lab(58.77, 2.61, -35.31)
CIE-LCH	lch(58.77, 35.41, 274.23°)
OKLab	oklab(64.51% -0.0214 -0.0991)
OKLCH	oklch(64.51% 0.101 257.8)
XYZ	xyz(26.0778, 26.7797, 60.2832)
Luminance	0.2678 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668FCB #CBA266

analogous

#66C1CB #668FCB #7066CB

triadic

#668FCB #CB668F #8FCB66

tetradic

#668FCB #CB66C1 #CBA266 #66CB70

square

#668FCB #CB66C1 #CBA266 #66CB70

split-complementary

#668FCB #CB7066 #C1CB66

monochromatic

#2E5388 #3E6FB6 #668FCB #94B0DB #C1D2EA

Accessibility & contrast

On white

3.30

#668FCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.36

#668FCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668FCB

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668FCB	#FFFFFF	#000000	##000000
##668FCB	1.00	3.30	6.36	6.36
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.36	21.00	1.00	1.00
##000000	6.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7893CE

Deuteranopia (green-blind)

#6C89CA

Tritanopia (blue-blind)

#389CA4

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #668fcb;
/* rgb */ color: rgb(102, 143, 203);
/* oklch */ color: oklch(64.5% 0.101 257.8);

Tailwind

colors: {
  custom: {
    50: '#97afdb',
    500: '#668fcb',
    950: '#000000',
  },
}

SCSS

$custom: #668fcb;
$custom-light: #97afdb;
$custom-dark: #000000;

JSON

{
  "hex": "#668fcb",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 203
  },
  "hsl": {
    "h": 215.644,
    "s": 49.268,
    "l": 59.804
  },
  "oklch": {
    "l": 0.64505,
    "c": 0.10136,
    "h": 257.8
  },
  "luminance": 0.26781
}

Semantic roles & 50–950 ramp

primary

#668FCB

secondary

#DACAB3

accent

#A14FD9

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #668FCB

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

Preview Lab → · Contrast checker → · Palette generator →