#3F84C8#3F84C8

#3F84C8 is a mid, vivid cyan. Relative luminance 0.217; OKLCH L 60.0% C 0.125 H 250.4°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#3F84C8
RGB	rgb(63, 132, 200)
HSL	hsl(210, 55%, 52%)
HSV	hsv(210, 69%, 78%)
CMYK	cmyk(68.5%, 34%, 0%, 21.6%)
CIE-LAB	lab(53.74, 0.35, -41.64)
CIE-LCH	lch(53.74, 41.64, 270.48°)
OKLab	oklab(60.04% -0.042 -0.1181)
OKLCH	oklch(60.04% 0.125 250.4)
XYZ	xyz(20.7226, 21.7272, 57.7340)
Luminance	0.2173 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F84C8 #C8833F

analogous

#3FC8C8 #3F84C8 #3F40C8

triadic

#3F84C8 #C83F84 #84C83F

tetradic

#3F84C8 #C83FC8 #C8833F #40C83F

square

#3F84C8 #C83FC8 #C8833F #40C83F

split-complementary

#3F84C8 #C83F40 #C8C83F

monochromatic

#1F476D #2D659D #3F84C8 #6FA2D6 #9EC1E3

Accessibility & contrast

On white

3.93

#3F84C8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#3F84C8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F84C8

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F84C8	#FFFFFF	#000000	##000000
##3F84C8	1.00	3.93	5.35	5.35
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6688CB

Deuteranopia (green-blind)

#527BC7

Tritanopia (blue-blind)

#00949D

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3f84c8;
/* rgb */ color: rgb(63, 132, 200);
/* oklch */ color: oklch(60.0% 0.125 250.4);

Tailwind

colors: {
  custom: {
    50: '#83a7d9',
    500: '#3f84c8',
    950: '#000000',
  },
}

SCSS

$custom: #3f84c8;
$custom-light: #83a7d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f84c8",
  "rgb": {
    "r": 63,
    "g": 132,
    "b": 200
  },
  "hsl": {
    "h": 209.781,
    "s": 55.466,
    "l": 51.569
  },
  "oklch": {
    "l": 0.60038,
    "c": 0.12537,
    "h": 250.4
  },
  "luminance": 0.21729
}

Semantic roles & 50–950 ramp

primary

#3F84C8

secondary

#D0B193

accent

#9349DF

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C0F14

muted

#7D7F83

Preview Lab

Preview with #3F84C8

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

Preview Lab → · Contrast checker → · Palette generator →