#3F668C#3F668C

#3F668C is a mid, moderate cyan. Relative luminance 0.125; OKLCH L 49.8% C 0.076 H 249.0°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#3F668C
RGB	rgb(63, 102, 140)
HSL	hsl(210, 38%, 40%)
HSV	hsv(210, 55%, 55%)
CMYK	cmyk(55%, 27.1%, 0%, 45.1%)
CIE-LAB	lab(41.93, -2.14, -25.16)
CIE-LCH	lch(41.93, 25.25, 265.13°)
OKLab	oklab(49.81% -0.0271 -0.0705)
OKLCH	oklch(49.81% 0.076 249)
XYZ	xyz(11.5332, 12.4520, 26.6016)
Luminance	0.1245 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F668C #8C653F

analogous

#3F8C8B #3F668C #3F408C

triadic

#3F668C #8C3F66 #668C3F

tetradic

#3F668C #8B3F8C #8C653F #408C3F

square

#3F668C #8B3F8C #8C653F #408C3F

split-complementary

#3F668C #8C3F40 #8C8B3F

monochromatic

#192838 #2C4762 #3F668C #5585B3 #80A3C6

Accessibility & contrast

On white

6.02

#3F668C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#3F668C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F668C

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F668C	#FFFFFF	#000000	##FFFFFF
##3F668C	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#56678E

Deuteranopia (green-blind)

#4C608B

Tritanopia (blue-blind)

#106F73

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3f668c;
/* rgb */ color: rgb(63, 102, 140);
/* oklch */ color: oklch(49.8% 0.076 249.0);

Tailwind

colors: {
  custom: {
    50: '#7a91ad',
    500: '#3f668c',
    950: '#000000',
  },
}

SCSS

$custom: #3f668c;
$custom-light: #7a91ad;
$custom-dark: #000000;

JSON

{
  "hex": "#3f668c",
  "rgb": {
    "r": 63,
    "g": 102,
    "b": 140
  },
  "hsl": {
    "h": 209.61,
    "s": 37.931,
    "l": 39.804
  },
  "oklch": {
    "l": 0.4981,
    "c": 0.07554,
    "h": 249
  },
  "luminance": 0.12453
}

Semantic roles & 50–950 ramp

primary

#3F668C

secondary

#B09377

accent

#935ACE

background

#F7F8FA

surface

#EEF0F4

border

#C9CBCE

text

#090C10

muted

#7B7D7F

Preview Lab

Preview with #3F668C

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

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