#3F688E#3F688E

#3F688E is a mid, moderate cyan. Relative luminance 0.129; OKLCH L 50.4% C 0.076 H 247.8°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#3F688E
RGB	rgb(63, 104, 142)
HSL	hsl(209, 39%, 40%)
HSV	hsv(209, 56%, 56%)
CMYK	cmyk(55.6%, 26.8%, 0%, 44.3%)
CIE-LAB	lab(42.63, -2.70, -25.27)
CIE-LCH	lch(42.63, 25.41, 263.90°)
OKLab	oklab(50.39% -0.0289 -0.0708)
OKLCH	oklch(50.39% 0.076 247.8)
XYZ	xyz(11.8810, 12.9094, 27.4516)
Luminance	0.1291 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F688E #8E653F

analogous

#3F8E8D #3F688E #3F408E

triadic

#3F688E #8E3F68 #688E3F

tetradic

#3F688E #8D3F8E #8E653F #408E3F

square

#3F688E #8D3F8E #8E653F #408E3F

split-complementary

#3F688E #8E3F40 #8E8D3F

monochromatic

#192A39 #2C4964 #3F688E #5687B4 #81A5C7

Accessibility & contrast

On white

5.86

#3F688E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#3F688E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F688E

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F688E	#FFFFFF	#000000	##FFFFFF
##3F688E	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#586990

Deuteranopia (green-blind)

#4E618D

Tritanopia (blue-blind)

#0B7175

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3f688e;
/* rgb */ color: rgb(63, 104, 142);
/* oklch */ color: oklch(50.4% 0.076 247.8);

Tailwind

colors: {
  custom: {
    50: '#7a93af',
    500: '#3f688e',
    950: '#000000',
  },
}

SCSS

$custom: #3f688e;
$custom-light: #7a93af;
$custom-dark: #000000;

JSON

{
  "hex": "#3f688e",
  "rgb": {
    "r": 63,
    "g": 104,
    "b": 142
  },
  "hsl": {
    "h": 208.861,
    "s": 38.537,
    "l": 40.196
  },
  "oklch": {
    "l": 0.50391,
    "c": 0.07648,
    "h": 247.8
  },
  "luminance": 0.1291
}

Semantic roles & 50–950 ramp

primary

#3F688E

secondary

#B19378

accent

#9259CE

background

#F7F9FA

surface

#EEF1F4

border

#C9CBCE

text

#0A0D10

muted

#7C7E7F

Preview Lab

Preview with #3F688E

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

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