#3F8DC1#3F8DC1

#3F8DC1 is a mid, moderate cyan. Relative luminance 0.240; OKLCH L 61.7% C 0.110 H 241.0°. Best body text is #000000 at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#3F8DC1
RGB	rgb(63, 141, 193)
HSL	hsl(204, 51%, 50%)
HSV	hsv(204, 67%, 76%)
CMYK	cmyk(67.4%, 26.9%, 0%, 24.3%)
CIE-LAB	lab(56.04, -7.31, -34.05)
CIE-LCH	lch(56.04, 34.83, 257.88°)
OKLab	oklab(61.75% -0.0532 -0.0959)
OKLCH	oklch(61.75% 0.11 241)
XYZ	xyz(21.1967, 23.9545, 53.9483)
Luminance	0.2396 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8DC1 #C1733F

analogous

#3FC1B4 #3F8DC1 #3F4CC1

triadic

#3F8DC1 #C13F8D #8DC13F

tetradic

#3F8DC1 #B43FC1 #C1733F #4CC13F

square

#3F8DC1 #B43FC1 #C1733F #4CC13F

split-complementary

#3F8DC1 #C13F4C #C1B43F

monochromatic

#214A65 #306B93 #3F8DC1 #6DA8D0 #9CC4DF

Accessibility & contrast

On white

3.63

#3F8DC1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.79

#3F8DC1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8DC1

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8DC1	#FFFFFF	#000000	##000000
##3F8DC1	1.00	3.63	5.79	5.79
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.79	21.00	1.00	1.00
##000000	5.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#758DC3

Deuteranopia (green-blind)

#6381C0

Tritanopia (blue-blind)

#009A9F

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3f8dc1;
/* rgb */ color: rgb(63, 141, 193);
/* oklch */ color: oklch(61.7% 0.110 241.0);

Tailwind

colors: {
  custom: {
    50: '#82aed4',
    500: '#3f8dc1',
    950: '#000000',
  },
}

SCSS

$custom: #3f8dc1;
$custom-light: #82aed4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8dc1",
  "rgb": {
    "r": 63,
    "g": 141,
    "b": 193
  },
  "hsl": {
    "h": 204,
    "s": 51.181,
    "l": 50.196
  },
  "oklch": {
    "l": 0.61747,
    "c": 0.1097,
    "h": 241
  },
  "luminance": 0.23957
}

Semantic roles & 50–950 ramp

primary

#3F8DC1

secondary

#CBA891

accent

#864DDB

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #3F8DC1

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

Preview Lab → · Contrast checker → · Palette generator →