#3F83C0#3F83C0

#3F83C0 is a mid, moderate cyan. Relative luminance 0.211; OKLCH L 59.4% C 0.116 H 248.2°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#3F83C0
RGB	rgb(63, 131, 192)
HSL	hsl(208, 51%, 50%)
HSV	hsv(208, 67%, 75%)
CMYK	cmyk(67.2%, 31.8%, 0%, 24.7%)
CIE-LAB	lab(53.05, -1.85, -38.17)
CIE-LCH	lch(53.05, 38.21, 267.23°)
OKLab	oklab(59.37% -0.0433 -0.108)
OKLCH	oklch(59.37% 0.116 248.2)
XYZ	xyz(19.6771, 21.0931, 52.8933)
Luminance	0.2109 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F83C0 #C07C3F

analogous

#3FC0BC #3F83C0 #3F43C0

triadic

#3F83C0 #C03F83 #83C03F

tetradic

#3F83C0 #BC3FC0 #C07C3F #43C03F

square

#3F83C0 #BC3FC0 #C07C3F #43C03F

split-complementary

#3F83C0 #C03F43 #C0BC3F

monochromatic

#214464 #306492 #3F83C0 #6DA1CF #9BBFDE

Accessibility & contrast

On white

4.02

#3F83C0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#3F83C0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F83C0

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F83C0	#FFFFFF	#000000	##000000
##3F83C0	1.00	4.02	5.22	5.22
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.22	21.00	1.00	1.00
##000000	5.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6885C3

Deuteranopia (green-blind)

#5679BF

Tritanopia (blue-blind)

#009199

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3f83c0;
/* rgb */ color: rgb(63, 131, 192);
/* oklch */ color: oklch(59.4% 0.116 248.2);

Tailwind

colors: {
  custom: {
    50: '#82a6d3',
    500: '#3f83c0',
    950: '#000000',
  },
}

SCSS

$custom: #3f83c0;
$custom-light: #82a6d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f83c0",
  "rgb": {
    "r": 63,
    "g": 131,
    "b": 192
  },
  "hsl": {
    "h": 208.372,
    "s": 50.588,
    "l": 50
  },
  "oklch": {
    "l": 0.59371,
    "c": 0.11635,
    "h": 248.2
  },
  "luminance": 0.21095
}

Semantic roles & 50–950 ramp

primary

#3F83C0

secondary

#CAAC91

accent

#904EDA

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C0F14

muted

#7D7F83

Preview Lab

Preview with #3F83C0

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

Preview Lab → · Contrast checker → · Palette generator →