#668DCB#668DCB

#668DCB is a light, moderate blue. Relative luminance 0.262; OKLCH L 64.1% C 0.103 H 259.4°. Best body text is #000000 at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#668DCB
RGB	rgb(102, 141, 203)
HSL	hsl(217, 49%, 60%)
HSV	hsv(217, 50%, 80%)
CMYK	cmyk(49.8%, 30.5%, 0%, 20.4%)
CIE-LAB	lab(58.21, 3.78, -36.18)
CIE-LCH	lch(58.21, 36.38, 275.96°)
OKLab	oklab(64.07% -0.019 -0.1016)
OKLCH	oklch(64.07% 0.103 259.4)
XYZ	xyz(25.7802, 26.1845, 60.1840)
Luminance	0.2619 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668DCB #CBA466

analogous

#66BFCB #668DCB #7266CB

triadic

#668DCB #CB668D #8DCB66

tetradic

#668DCB #CB66BF #CBA466 #66CB72

square

#668DCB #CB66BF #CBA466 #66CB72

split-complementary

#668DCB #CB7266 #BFCB66

monochromatic

#2E5188 #3E6CB6 #668DCB #94AFDB #C1D1EA

Accessibility & contrast

On white

3.37

#668DCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.24

#668DCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668DCB

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668DCB	#FFFFFF	#000000	##000000
##668DCB	1.00	3.37	6.24	6.24
#FFFFFF	3.37	1.00	21.00	21.00
#000000	6.24	21.00	1.00	1.00
##000000	6.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7591CE

Deuteranopia (green-blind)

#6988CA

Tritanopia (blue-blind)

#389BA3

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #668dcb;
/* rgb */ color: rgb(102, 141, 203);
/* oklch */ color: oklch(64.1% 0.103 259.4);

Tailwind

colors: {
  custom: {
    50: '#97aedb',
    500: '#668dcb',
    950: '#000000',
  },
}

SCSS

$custom: #668dcb;
$custom-light: #97aedb;
$custom-dark: #000000;

JSON

{
  "hex": "#668dcb",
  "rgb": {
    "r": 102,
    "g": 141,
    "b": 203
  },
  "hsl": {
    "h": 216.832,
    "s": 49.268,
    "l": 59.804
  },
  "oklch": {
    "l": 0.64069,
    "c": 0.10337,
    "h": 259.4
  },
  "luminance": 0.26186
}

Semantic roles & 50–950 ramp

primary

#668DCB

secondary

#DACBB3

accent

#A44FD9

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #668DCB

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

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