#3F7C8D#3F7C8D

#3F7C8D is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.2% C 0.068 H 218.3°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#3F7C8D
RGB	rgb(63, 124, 141)
HSL	hsl(193, 38%, 40%)
HSV	hsv(193, 55%, 55%)
CMYK	cmyk(55.3%, 12.1%, 0%, 44.7%)
CIE-LAB	lab(48.75, -14.65, -15.25)
CIE-LCH	lch(48.75, 21.15, 226.16°)
OKLab	oklab(55.24% -0.0536 -0.0422)
OKLCH	oklch(55.24% 0.068 218.3)
XYZ	xyz(14.0634, 17.3939, 27.8104)
Luminance	0.1739 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7C8D #8D503F

analogous

#3F8D77 #3F7C8D #3F558D

triadic

#3F7C8D #8D3F7C #7C8D3F

tetradic

#3F7C8D #773F8D #8D503F #558D3F

square

#3F7C8D #773F8D #8D503F #558D3F

split-complementary

#3F7C8D #8D3F55 #8D773F

monochromatic

#193238 #2C5763 #3F7C8D #569FB3 #80B7C6

Accessibility & contrast

On white

4.69

#3F7C8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#3F7C8D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F7C8D

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7C8D	#FFFFFF	#000000	##FFFFFF
##3F7C8D	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#71798E

Deuteranopia (green-blind)

#65708D

Tritanopia (blue-blind)

#008281

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3f7c8d;
/* rgb */ color: rgb(63, 124, 141);
/* oklch */ color: oklch(55.2% 0.068 218.3);

Tailwind

colors: {
  custom: {
    50: '#7ba2ae',
    500: '#3f7c8d',
    950: '#000000',
  },
}

SCSS

$custom: #3f7c8d;
$custom-light: #7ba2ae;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7c8d",
  "rgb": {
    "r": 63,
    "g": 124,
    "b": 141
  },
  "hsl": {
    "h": 193.077,
    "s": 38.235,
    "l": 40
  },
  "oklch": {
    "l": 0.55241,
    "c": 0.06822,
    "h": 218.3
  },
  "luminance": 0.17395
}

Semantic roles & 50–950 ramp

primary

#3F7C8D

secondary

#B18477

accent

#735ACE

background

#F7F9FA

surface

#EEF2F4

border

#C9CCCE

text

#0A0F10

muted

#7C7E7F

Preview Lab

Preview with #3F7C8D

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

Preview Lab → · Contrast checker → · Palette generator →