#3F79CA#3F79CA

#3F79CA is a mid, vivid cyan. Relative luminance 0.190; OKLCH L 57.7% C 0.139 H 257.2°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#3F79CA
RGB	rgb(63, 121, 202)
HSL	hsl(215, 57%, 52%)
HSV	hsv(215, 69%, 79%)
CMYK	cmyk(68.8%, 40.1%, 0%, 20.8%)
CIE-LAB	lab(50.68, 7.71, -47.63)
CIE-LCH	lch(50.68, 48.25, 279.19°)
OKLab	oklab(57.69% -0.0308 -0.1358)
OKLCH	oklch(57.69% 0.139 257.2)
XYZ	xyz(19.5441, 18.9937, 58.5018)
Luminance	0.1900 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F79CA #CA903F

analogous

#3FBFCA #3F79CA #4B3FCA

triadic

#3F79CA #CA3F79 #79CA3F

tetradic

#3F79CA #CA3FBF #CA903F #3FCA4B

square

#3F79CA #CA3FBF #CA903F #3FCA4B

split-complementary

#3F79CA #CA4B3F #BFCA3F

monochromatic

#1F4170 #2C5CA0 #3F79CA #6F9AD7 #9FBCE4

Accessibility & contrast

On white

4.38

#3F79CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#3F79CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F79CA

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F79CA	#FFFFFF	#000000	##000000
##3F79CA	1.00	4.38	4.80	4.80
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5480CD

Deuteranopia (green-blind)

#3E73C8

Tritanopia (blue-blind)

#008C98

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3f79ca;
/* rgb */ color: rgb(63, 121, 202);
/* oklch */ color: oklch(57.7% 0.139 257.2);

Tailwind

colors: {
  custom: {
    50: '#839fda',
    500: '#3f79ca',
    950: '#000000',
  },
}

SCSS

$custom: #3f79ca;
$custom-light: #839fda;
$custom-dark: #000000;

JSON

{
  "hex": "#3f79ca",
  "rgb": {
    "r": 63,
    "g": 121,
    "b": 202
  },
  "hsl": {
    "h": 214.964,
    "s": 56.735,
    "l": 51.961
  },
  "oklch": {
    "l": 0.57686,
    "c": 0.13924,
    "h": 257.2
  },
  "luminance": 0.18996
}

Semantic roles & 50–950 ramp

primary

#3F79CA

secondary

#D1B794

accent

#A048E0

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3F79CA

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

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