#3F8CC3#3F8CC3

#3F8CC3 is a mid, moderate cyan. Relative luminance 0.238; OKLCH L 61.6% C 0.113 H 242.8°. Best body text is #000000 at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#3F8CC3
RGB	rgb(63, 140, 195)
HSL	hsl(205, 52%, 51%)
HSV	hsv(205, 68%, 76%)
CMYK	cmyk(67.7%, 28.2%, 0%, 23.5%)
CIE-LAB	lab(55.84, -6.06, -35.50)
CIE-LCH	lch(55.84, 36.02, 260.31°)
OKLab	oklab(61.61% -0.0515 -0.1002)
OKLCH	oklch(61.61% 0.113 242.8)
XYZ	xyz(21.2746, 23.7508, 55.0823)
Luminance	0.2375 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8CC3 #C3763F

analogous

#3FC3B8 #3F8CC3 #3F4AC3

triadic

#3F8CC3 #C33F8C #8CC33F

tetradic

#3F8CC3 #B83FC3 #C3763F #4AC33F

square

#3F8CC3 #B83FC3 #C3763F #4AC33F

split-complementary

#3F8CC3 #C33F4A #C3B83F

monochromatic

#204A67 #2F6B96 #3F8CC3 #6EA8D2 #9CC4E0

Accessibility & contrast

On white

3.65

#3F8CC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.75

#3F8CC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8CC3

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8CC3	#FFFFFF	#000000	##000000
##3F8CC3	1.00	3.65	5.75	5.75
#FFFFFF	3.65	1.00	21.00	21.00
#000000	5.75	21.00	1.00	1.00
##000000	5.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#738DC5

Deuteranopia (green-blind)

#6180C2

Tritanopia (blue-blind)

#00999F

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3f8cc3;
/* rgb */ color: rgb(63, 140, 195);
/* oklch */ color: oklch(61.6% 0.113 242.8);

Tailwind

colors: {
  custom: {
    50: '#82add5',
    500: '#3f8cc3',
    950: '#000000',
  },
}

SCSS

$custom: #3f8cc3;
$custom-light: #82add5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8cc3",
  "rgb": {
    "r": 63,
    "g": 140,
    "b": 195
  },
  "hsl": {
    "h": 205,
    "s": 52.381,
    "l": 50.588
  },
  "oklch": {
    "l": 0.61615,
    "c": 0.11265,
    "h": 242.8
  },
  "luminance": 0.23753
}

Semantic roles & 50–950 ramp

primary

#3F8CC3

secondary

#CCAA92

accent

#884CDC

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #3F8CC3

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

Preview Lab → · Contrast checker → · Palette generator →