#3F82CA#3F82CA

#3F82CA is a mid, vivid cyan. Relative luminance 0.213; OKLCH L 59.7% C 0.130 H 252.3°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#3F82CA
RGB	rgb(63, 130, 202)
HSL	hsl(211, 57%, 52%)
HSV	hsv(211, 69%, 79%)
CMYK	cmyk(68.8%, 35.6%, 0%, 20.8%)
CIE-LAB	lab(53.26, 2.24, -43.53)
CIE-LCH	lch(53.26, 43.59, 272.95°)
OKLab	oklab(59.7% -0.0395 -0.1237)
OKLCH	oklch(59.7% 0.13 252.3)
XYZ	xyz(20.6893, 21.2841, 58.8836)
Luminance	0.2129 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F82CA #CA873F

analogous

#3FC8CA #3F82CA #423FCA

triadic

#3F82CA #CA3F82 #82CA3F

tetradic

#3F82CA #CA3FC8 #CA873F #3FCA42

square

#3F82CA #CA3FC8 #CA873F #3FCA42

split-complementary

#3F82CA #CA423F #C8CA3F

monochromatic

#1F4670 #2C64A0 #3F82CA #6FA1D7 #9FC0E4

Accessibility & contrast

On white

3.99

#3F82CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.26

#3F82CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F82CA

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F82CA	#FFFFFF	#000000	##000000
##3F82CA	1.00	3.99	5.26	5.26
#FFFFFF	3.99	1.00	21.00	21.00
#000000	5.26	21.00	1.00	1.00
##000000	5.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6286CD

Deuteranopia (green-blind)

#4E79C9

Tritanopia (blue-blind)

#00939C

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3f82ca;
/* rgb */ color: rgb(63, 130, 202);
/* oklch */ color: oklch(59.7% 0.130 252.3);

Tailwind

colors: {
  custom: {
    50: '#83a5da',
    500: '#3f82ca',
    950: '#000000',
  },
}

SCSS

$custom: #3f82ca;
$custom-light: #83a5da;
$custom-dark: #000000;

JSON

{
  "hex": "#3f82ca",
  "rgb": {
    "r": 63,
    "g": 130,
    "b": 202
  },
  "hsl": {
    "h": 211.079,
    "s": 56.735,
    "l": 51.961
  },
  "oklch": {
    "l": 0.59697,
    "c": 0.12983,
    "h": 252.3
  },
  "luminance": 0.21286
}

Semantic roles & 50–950 ramp

primary

#3F82CA

secondary

#D1B394

accent

#9748E0

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3F82CA

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

Preview Lab → · Contrast checker → · Palette generator →