#3F7C8A#3F7C8A

#3F7C8A is a mid, moderate cyan. Relative luminance 0.173; OKLCH L 55.1% C 0.067 H 214.6°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#3F7C8A
RGB	rgb(63, 124, 138)
HSL	hsl(191, 37%, 39%)
HSV	hsv(191, 54%, 54%)
CMYK	cmyk(54.3%, 10.1%, 0%, 45.9%)
CIE-LAB	lab(48.64, -15.57, -13.65)
CIE-LCH	lch(48.64, 20.70, 221.26°)
OKLab	oklab(55.12% -0.0548 -0.0378)
OKLCH	oklch(55.12% 0.067 214.6)
XYZ	xyz(13.8432, 17.3058, 26.6507)
Luminance	0.1731 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7C8A #8A4D3F

analogous

#3F8A73 #3F7C8A #3F578A

triadic

#3F7C8A #8A3F7C #7C8A3F

tetradic

#3F7C8A #733F8A #8A4D3F #578A3F

square

#3F7C8A #733F8A #8A4D3F #578A3F

split-complementary

#3F7C8A #8A3F57 #8A733F

monochromatic

#193036 #2C5660 #3F7C8A #55A0B1 #7FB8C5

Accessibility & contrast

On white

4.71

#3F7C8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#3F7C8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F7C8A

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7C8A	#FFFFFF	#000000	##FFFFFF
##3F7C8A	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#72788B

Deuteranopia (green-blind)

#66708A

Tritanopia (blue-blind)

#058180

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3f7c8a;
/* rgb */ color: rgb(63, 124, 138);
/* oklch */ color: oklch(55.1% 0.067 214.6);

Tailwind

colors: {
  custom: {
    50: '#7aa2ac',
    500: '#3f7c8a',
    950: '#000000',
  },
}

SCSS

$custom: #3f7c8a;
$custom-light: #7aa2ac;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7c8a",
  "rgb": {
    "r": 63,
    "g": 124,
    "b": 138
  },
  "hsl": {
    "h": 191.2,
    "s": 37.313,
    "l": 39.412
  },
  "oklch": {
    "l": 0.55118,
    "c": 0.06656,
    "h": 214.6
  },
  "luminance": 0.17307
}

Semantic roles & 50–950 ramp

primary

#3F7C8A

secondary

#AF8176

accent

#705BCD

background

#F7F9FA

surface

#EEF2F4

border

#C9CCCE

text

#0A0F10

muted

#7C7E7F

Preview Lab

Preview with #3F7C8A

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

Preview Lab → · Contrast checker → · Palette generator →