#3F6F7C#3F6F7C

#3F6F7C is a mid, muted cyan. Relative luminance 0.139; OKLCH L 51.3% C 0.056 H 217.2°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#3F6F7C
RGB	rgb(63, 111, 124)
HSL	hsl(193, 33%, 37%)
HSV	hsv(193, 49%, 49%)
CMYK	cmyk(49.2%, 10.5%, 0%, 51.4%)
CIE-LAB	lab(44.06, -12.51, -12.27)
CIE-LCH	lch(44.06, 17.52, 224.44°)
OKLab	oklab(51.29% -0.0446 -0.0338)
OKLCH	oklch(51.29% 0.056 217.2)
XYZ	xyz(11.3711, 13.8800, 21.1448)
Luminance	0.1388 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F6F7C #7C4C3F

analogous

#3F7C6B #3F6F7C #3F517C

triadic

#3F6F7C #7C3F6F #6F7C3F

tetradic

#3F6F7C #6B3F7C #7C4C3F #517C3F

square

#3F6F7C #6B3F7C #7C4C3F #517C3F

split-complementary

#3F6F7C #7C3F51 #7C6B3F

monochromatic

#16262B #2A4B53 #3F6F7C #5493A5 #7AADBB

Accessibility & contrast

On white

5.56

#3F6F7C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#3F6F7C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6F7C

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F6F7C	#FFFFFF	#000000	##FFFFFF
##3F6F7C	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#666C7D

Deuteranopia (green-blind)

#5D657C

Tritanopia (blue-blind)

#207473

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3f6f7c;
/* rgb */ color: rgb(63, 111, 124);
/* oklch */ color: oklch(51.3% 0.056 217.2);

Tailwind

colors: {
  custom: {
    50: '#7898a2',
    500: '#3f6f7c',
    950: '#000000',
  },
}

SCSS

$custom: #3f6f7c;
$custom-light: #7898a2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f6f7c",
  "rgb": {
    "r": 63,
    "g": 111,
    "b": 124
  },
  "hsl": {
    "h": 192.787,
    "s": 32.62,
    "l": 36.667
  },
  "oklch": {
    "l": 0.51285,
    "c": 0.05601,
    "h": 217.2
  },
  "luminance": 0.13881
}

Semantic roles & 50–950 ramp

primary

#3F6F7C

secondary

#A67C71

accent

#765FC9

background

#F7F9F9

surface

#EEF2F2

border

#C9CCCC

text

#090D0F

muted

#7B7E7E

Preview Lab

Preview with #3F6F7C

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

Preview Lab → · Contrast checker → · Palette generator →