#3F8DC3#3F8DC3

#3F8DC3 is a mid, moderate cyan. Relative luminance 0.240; OKLCH L 61.8% C 0.112 H 242.0°. Best body text is #000000 at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#3F8DC3
RGB	rgb(63, 141, 195)
HSL	hsl(205, 52%, 51%)
HSV	hsv(205, 68%, 76%)
CMYK	cmyk(67.7%, 27.7%, 0%, 23.5%)
CIE-LAB	lab(56.13, -6.64, -35.04)
CIE-LCH	lch(56.13, 35.66, 259.28°)
OKLab	oklab(61.85% -0.0526 -0.0988)
OKLCH	oklch(61.85% 0.112 242)
XYZ	xyz(21.4213, 24.0444, 55.1313)
Luminance	0.2405 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8DC3 #C3753F

analogous

#3FC3B7 #3F8DC3 #3F4BC3

triadic

#3F8DC3 #C33F8D #8DC33F

tetradic

#3F8DC3 #B73FC3 #C3753F #4BC33F

square

#3F8DC3 #B73FC3 #C3753F #4BC33F

split-complementary

#3F8DC3 #C33F4B #C3B73F

monochromatic

#204A67 #2F6C96 #3F8DC3 #6EA9D2 #9CC4E0

Accessibility & contrast

On white

3.61

#3F8DC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.81

#3F8DC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8DC3

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8DC3	#FFFFFF	#000000	##000000
##3F8DC3	1.00	3.61	5.81	5.81
#FFFFFF	3.61	1.00	21.00	21.00
#000000	5.81	21.00	1.00	1.00
##000000	5.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#748EC5

Deuteranopia (green-blind)

#6281C2

Tritanopia (blue-blind)

#009AA0

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3f8dc3;
/* rgb */ color: rgb(63, 141, 195);
/* oklch */ color: oklch(61.8% 0.112 242.0);

Tailwind

colors: {
  custom: {
    50: '#82aed5',
    500: '#3f8dc3',
    950: '#000000',
  },
}

SCSS

$custom: #3f8dc3;
$custom-light: #82aed5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8dc3",
  "rgb": {
    "r": 63,
    "g": 141,
    "b": 195
  },
  "hsl": {
    "h": 204.545,
    "s": 52.381,
    "l": 50.588
  },
  "oklch": {
    "l": 0.61848,
    "c": 0.11192,
    "h": 242
  },
  "luminance": 0.24047
}

Semantic roles & 50–950 ramp

primary

#3F8DC3

secondary

#CCAA92

accent

#874CDC

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #3F8DC3

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

Preview Lab → · Contrast checker → · Palette generator →