#3F84CA#3F84CA

#3F84CA is a mid, vivid cyan. Relative luminance 0.218; OKLCH L 60.2% C 0.128 H 251.1°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#3F84CA
RGB	rgb(63, 132, 202)
HSL	hsl(210, 57%, 52%)
HSV	hsv(210, 69%, 79%)
CMYK	cmyk(68.8%, 34.7%, 0%, 20.8%)
CIE-LAB	lab(53.84, 1.05, -42.62)
CIE-LCH	lch(53.84, 42.63, 271.41°)
OKLab	oklab(60.15% -0.0415 -0.121)
OKLCH	oklch(60.15% 0.128 251.1)
XYZ	xyz(20.9579, 21.8213, 58.9731)
Luminance	0.2182 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F84CA #CA853F

analogous

#3FCACA #3F84CA #403FCA

triadic

#3F84CA #CA3F84 #84CA3F

tetradic

#3F84CA #CA3FCA #CA853F #3FCA40

square

#3F84CA #CA3FCA #CA853F #3FCA40

split-complementary

#3F84CA #CA403F #CACA3F

monochromatic

#1F4770 #2C65A0 #3F84CA #6FA3D7 #9FC1E4

Accessibility & contrast

On white

3.91

#3F84CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#3F84CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F84CA

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F84CA	#FFFFFF	#000000	##000000
##3F84CA	1.00	3.91	5.36	5.36
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6588CD

Deuteranopia (green-blind)

#517BC9

Tritanopia (blue-blind)

#00949D

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3f84ca;
/* rgb */ color: rgb(63, 132, 202);
/* oklch */ color: oklch(60.2% 0.128 251.1);

Tailwind

colors: {
  custom: {
    50: '#83a7da',
    500: '#3f84ca',
    950: '#000000',
  },
}

SCSS

$custom: #3f84ca;
$custom-light: #83a7da;
$custom-dark: #000000;

JSON

{
  "hex": "#3f84ca",
  "rgb": {
    "r": 63,
    "g": 132,
    "b": 202
  },
  "hsl": {
    "h": 210.216,
    "s": 56.735,
    "l": 51.961
  },
  "oklch": {
    "l": 0.6015,
    "c": 0.12788,
    "h": 251.1
  },
  "luminance": 0.21824
}

Semantic roles & 50–950 ramp

primary

#3F84CA

secondary

#D1B394

accent

#9448E0

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3F84CA

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

Preview Lab → · Contrast checker → · Palette generator →