#3F83C1#3F83C1

#3F83C1 is a mid, moderate cyan. Relative luminance 0.211; OKLCH L 59.4% C 0.118 H 248.5°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#3F83C1
RGB	rgb(63, 131, 193)
HSL	hsl(209, 51%, 50%)
HSV	hsv(209, 67%, 76%)
CMYK	cmyk(67.4%, 32.1%, 0%, 24.3%)
CIE-LAB	lab(53.10, -1.50, -38.66)
CIE-LCH	lch(53.10, 38.69, 267.77°)
OKLab	oklab(59.43% -0.043 -0.1094)
OKLCH	oklch(59.43% 0.118 248.5)
XYZ	xyz(19.7882, 21.1376, 53.4788)
Luminance	0.2114 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F83C1 #C17D3F

analogous

#3FC1BE #3F83C1 #3F42C1

triadic

#3F83C1 #C13F83 #83C13F

tetradic

#3F83C1 #BE3FC1 #C17D3F #42C13F

square

#3F83C1 #BE3FC1 #C17D3F #42C13F

split-complementary

#3F83C1 #C13F42 #C1BE3F

monochromatic

#214465 #306493 #3F83C1 #6DA1D0 #9CBFDF

Accessibility & contrast

On white

4.02

#3F83C1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#3F83C1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F83C1

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F83C1	#FFFFFF	#000000	##000000
##3F83C1	1.00	4.02	5.23	5.23
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.23	21.00	1.00	1.00
##000000	5.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6886C4

Deuteranopia (green-blind)

#5679C0

Tritanopia (blue-blind)

#009299

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3f83c1;
/* rgb */ color: rgb(63, 131, 193);
/* oklch */ color: oklch(59.4% 0.118 248.5);

Tailwind

colors: {
  custom: {
    50: '#82a6d4',
    500: '#3f83c1',
    950: '#000000',
  },
}

SCSS

$custom: #3f83c1;
$custom-light: #82a6d4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f83c1",
  "rgb": {
    "r": 63,
    "g": 131,
    "b": 193
  },
  "hsl": {
    "h": 208.615,
    "s": 51.181,
    "l": 50.196
  },
  "oklch": {
    "l": 0.59425,
    "c": 0.11758,
    "h": 248.5
  },
  "luminance": 0.2114
}

Semantic roles & 50–950 ramp

primary

#3F83C1

secondary

#CBAD91

accent

#914DDB

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C0F14

muted

#7D7F83

Preview Lab

Preview with #3F83C1

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

Preview Lab → · Contrast checker → · Palette generator →