#3F678D#3F678D

#3F678D is a mid, moderate cyan. Relative luminance 0.127; OKLCH L 50.1% C 0.076 H 248.4°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#3F678D
RGB	rgb(63, 103, 141)
HSL	hsl(209, 38%, 40%)
HSV	hsv(209, 55%, 55%)
CMYK	cmyk(55.3%, 27%, 0%, 44.7%)
CIE-LAB	lab(42.28, -2.42, -25.21)
CIE-LCH	lch(42.28, 25.33, 264.51°)
OKLab	oklab(50.1% -0.028 -0.0707)
OKLCH	oklch(50.1% 0.076 248.4)
XYZ	xyz(11.7062, 12.6794, 27.0246)
Luminance	0.1268 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F678D #8D653F

analogous

#3F8D8C #3F678D #3F408D

triadic

#3F678D #8D3F67 #678D3F

tetradic

#3F678D #8C3F8D #8D653F #408D3F

square

#3F678D #8C3F8D #8D653F #408D3F

split-complementary

#3F678D #8D3F40 #8D8C3F

monochromatic

#192938 #2C4863 #3F678D #5686B3 #80A4C6

Accessibility & contrast

On white

5.94

#3F678D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#3F678D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F678D

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F678D	#FFFFFF	#000000	##FFFFFF
##3F678D	1.00	5.94	3.54	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57688F

Deuteranopia (green-blind)

#4D608C

Tritanopia (blue-blind)

#0E7074

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3f678d;
/* rgb */ color: rgb(63, 103, 141);
/* oklch */ color: oklch(50.1% 0.076 248.4);

Tailwind

colors: {
  custom: {
    50: '#7a92ae',
    500: '#3f678d',
    950: '#000000',
  },
}

SCSS

$custom: #3f678d;
$custom-light: #7a92ae;
$custom-dark: #000000;

JSON

{
  "hex": "#3f678d",
  "rgb": {
    "r": 63,
    "g": 103,
    "b": 141
  },
  "hsl": {
    "h": 209.231,
    "s": 38.235,
    "l": 40
  },
  "oklch": {
    "l": 0.50101,
    "c": 0.07601,
    "h": 248.4
  },
  "luminance": 0.1268
}

Semantic roles & 50–950 ramp

primary

#3F678D

secondary

#B19377

accent

#925ACE

background

#F7F8FA

surface

#EEF0F4

border

#C9CBCE

text

#0A0D10

muted

#7C7D7F

Preview Lab

Preview with #3F678D

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

Preview Lab → · Contrast checker → · Palette generator →