#3F8BC3#3F8BC3

#3F8BC3 is a mid, moderate cyan. Relative luminance 0.235; OKLCH L 61.4% C 0.113 H 243.5°. Best body text is #000000 at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#3F8BC3
RGB	rgb(63, 139, 195)
HSL	hsl(205, 52%, 51%)
HSV	hsv(205, 68%, 76%)
CMYK	cmyk(67.7%, 28.7%, 0%, 23.5%)
CIE-LAB	lab(55.54, -5.49, -35.96)
CIE-LCH	lch(55.54, 36.38, 261.33°)
OKLab	oklab(61.38% -0.0505 -0.1015)
OKLCH	oklch(61.38% 0.113 243.5)
XYZ	xyz(21.1291, 23.4599, 55.0339)
Luminance	0.2346 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8BC3 #C3773F

analogous

#3FC3B9 #3F8BC3 #3F49C3

triadic

#3F8BC3 #C33F8B #8BC33F

tetradic

#3F8BC3 #B93FC3 #C3773F #49C33F

square

#3F8BC3 #B93FC3 #C3773F #49C33F

split-complementary

#3F8BC3 #C33F49 #C3B93F

monochromatic

#204967 #2F6A96 #3F8BC3 #6EA7D2 #9CC3E0

Accessibility & contrast

On white

3.69

#3F8BC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.69

#3F8BC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8BC3

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8BC3	#FFFFFF	#000000	##000000
##3F8BC3	1.00	3.69	5.69	5.69
#FFFFFF	3.69	1.00	21.00	21.00
#000000	5.69	21.00	1.00	1.00
##000000	5.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#728CC5

Deuteranopia (green-blind)

#607FC2

Tritanopia (blue-blind)

#00999F

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #3f8bc3;
/* rgb */ color: rgb(63, 139, 195);
/* oklch */ color: oklch(61.4% 0.113 243.5);

Tailwind

colors: {
  custom: {
    50: '#82acd5',
    500: '#3f8bc3',
    950: '#000000',
  },
}

SCSS

$custom: #3f8bc3;
$custom-light: #82acd5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8bc3",
  "rgb": {
    "r": 63,
    "g": 139,
    "b": 195
  },
  "hsl": {
    "h": 205.455,
    "s": 52.381,
    "l": 50.588
  },
  "oklch": {
    "l": 0.61382,
    "c": 0.11339,
    "h": 243.5
  },
  "luminance": 0.23462
}

Semantic roles & 50–950 ramp

primary

#3F8BC3

secondary

#CCAA92

accent

#894CDC

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #3F8BC3

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

Preview Lab → · Contrast checker → · Palette generator →