#3F8FAF#3F8FAF

#3F8FAF is a mid, moderate cyan. Relative luminance 0.238; OKLCH L 61.4% C 0.091 H 227.4°. Best body text is #000000 at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#3F8FAF
RGB	rgb(63, 143, 175)
HSL	hsl(197, 47%, 47%)
HSV	hsv(197, 64%, 69%)
CMYK	cmyk(64%, 18.3%, 0%, 31.4%)
CIE-LAB	lab(55.88, -14.40, -24.05)
CIE-LCH	lch(55.88, 28.03, 239.09°)
OKLab	oklab(61.37% -0.0617 -0.0672)
OKLCH	oklch(61.37% 0.091 227.4)
XYZ	xyz(19.6072, 23.7948, 44.1087)
Luminance	0.2380 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8FAF #AF5F3F

analogous

#3FAF97 #3F8FAF #3F57AF

triadic

#3F8FAF #AF3F8F #8FAF3F

tetradic

#3F8FAF #973FAF #AF5F3F #57AF3F

square

#3F8FAF #973FAF #AF5F3F #57AF3F

split-complementary

#3F8FAF #AF3F57 #AF973F

monochromatic

#1F4555 #2F6A82 #3F8FAF #64ABC7 #91C3D7

Accessibility & contrast

On white

3.65

#3F8FAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.76

#3F8FAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8FAF

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8FAF	#FFFFFF	#000000	##000000
##3F8FAF	1.00	3.65	5.76	5.76
#FFFFFF	3.65	1.00	21.00	21.00
#000000	5.76	21.00	1.00	1.00
##000000	5.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8CB1

Deuteranopia (green-blind)

#6E81AF

Tritanopia (blue-blind)

#009899

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3f8faf;
/* rgb */ color: rgb(63, 143, 175);
/* oklch */ color: oklch(61.4% 0.091 227.4);

Tailwind

colors: {
  custom: {
    50: '#80afc7',
    500: '#3f8faf',
    950: '#000000',
  },
}

SCSS

$custom: #3f8faf;
$custom-light: #80afc7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8faf",
  "rgb": {
    "r": 63,
    "g": 143,
    "b": 175
  },
  "hsl": {
    "h": 197.143,
    "s": 47.059,
    "l": 46.667
  },
  "oklch": {
    "l": 0.61369,
    "c": 0.09119,
    "h": 227.4
  },
  "luminance": 0.23797
}

Semantic roles & 50–950 ramp

primary

#3F8FAF

secondary

#C39887

accent

#7751D7

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3F8FAF

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

Preview Lab → · Contrast checker → · Palette generator →