#668BC0#668BC0

#668BC0 is a light, moderate blue. Relative luminance 0.251; OKLCH L 63.1% C 0.091 H 257.4°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#668BC0
RGB	rgb(102, 139, 192)
HSL	hsl(215, 42%, 58%)
HSV	hsv(215, 47%, 75%)
CMYK	cmyk(46.9%, 27.6%, 0%, 24.7%)
CIE-LAB	lab(57.17, 1.63, -31.60)
CIE-LCH	lch(57.17, 31.64, 272.96°)
OKLab	oklab(63.09% -0.0198 -0.0884)
OKLCH	oklch(63.09% 0.091 257.4)
XYZ	xyz(24.2234, 25.0942, 53.4262)
Luminance	0.2510 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668BC0 #C09B66

analogous

#66B8C0 #668BC0 #6E66C0

triadic

#668BC0 #C0668B #8BC066

tetradic

#668BC0 #C066B8 #C09B66 #66C06E

square

#668BC0 #C066B8 #C09B66 #66C06E

split-complementary

#668BC0 #C06E66 #B8C066

monochromatic

#324F7A #446CA5 #668BC0 #91ACD2 #BDCDE4

Accessibility & contrast

On white

3.49

#668BC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.02

#668BC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668BC0

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668BC0	#FFFFFF	#000000	##000000
##668BC0	1.00	3.49	6.02	6.02
#FFFFFF	3.49	1.00	21.00	21.00
#000000	6.02	21.00	1.00	1.00
##000000	6.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#778EC2

Deuteranopia (green-blind)

#6C85BF

Tritanopia (blue-blind)

#41979D

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #668bc0;
/* rgb */ color: rgb(102, 139, 192);
/* oklch */ color: oklch(63.1% 0.091 257.4);

Tailwind

colors: {
  custom: {
    50: '#96acd3',
    500: '#668bc0',
    950: '#000000',
  },
}

SCSS

$custom: #668bc0;
$custom-light: #96acd3;
$custom-dark: #000000;

JSON

{
  "hex": "#668bc0",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 192
  },
  "hsl": {
    "h": 215.333,
    "s": 41.667,
    "l": 57.647
  },
  "oklch": {
    "l": 0.63093,
    "c": 0.09056,
    "h": 257.4
  },
  "luminance": 0.25096
}

Semantic roles & 50–950 ramp

primary

#668BC0

secondary

#D3C4AF

accent

#9F56D1

background

#F9FAFC

surface

#F2F4F9

border

#CCCED2

text

#0E1014

muted

#7E7F82

Preview Lab

Preview with #668BC0

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

Preview Lab → · Contrast checker → · Palette generator →