#3F79C0#3F79C0

#3F79C0 is a mid, vivid cyan. Relative luminance 0.185; OKLCH L 57.1% C 0.126 H 254.7°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#3F79C0
RGB	rgb(63, 121, 192)
HSL	hsl(213, 51%, 50%)
HSV	hsv(213, 67%, 75%)
CMYK	cmyk(67.2%, 37%, 0%, 24.7%)
CIE-LAB	lab(50.14, 4.15, -42.76)
CIE-LCH	lch(50.14, 42.97, 275.54°)
OKLab	oklab(57.09% -0.0332 -0.1215)
OKLCH	oklch(57.09% 0.126 254.7)
XYZ	xyz(18.3982, 18.5354, 52.4670)
Luminance	0.1854 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F79C0 #C0863F

analogous

#3FBAC0 #3F79C0 #453FC0

triadic

#3F79C0 #C03F79 #79C03F

tetradic

#3F79C0 #C03FBA #C0863F #3FC045

square

#3F79C0 #C03FBA #C0863F #3FC045

split-complementary

#3F79C0 #C0453F #BAC03F

monochromatic

#213F64 #305C92 #3F79C0 #6D99CF #9BB9DE

Accessibility & contrast

On white

4.46

#3F79C0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#3F79C0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F79C0

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F79C0	#FFFFFF	#000000	##000000
##3F79C0	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#597EC3

Deuteranopia (green-blind)

#4772BF

Tritanopia (blue-blind)

#008993

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3f79c0;
/* rgb */ color: rgb(63, 121, 192);
/* oklch */ color: oklch(57.1% 0.126 254.7);

Tailwind

colors: {
  custom: {
    50: '#829fd3',
    500: '#3f79c0',
    950: '#000000',
  },
}

SCSS

$custom: #3f79c0;
$custom-light: #829fd3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f79c0",
  "rgb": {
    "r": 63,
    "g": 121,
    "b": 192
  },
  "hsl": {
    "h": 213.023,
    "s": 50.588,
    "l": 50
  },
  "oklch": {
    "l": 0.57089,
    "c": 0.12598,
    "h": 254.7
  },
  "luminance": 0.18537
}

Semantic roles & 50–950 ramp

primary

#3F79C0

secondary

#CAB091

accent

#9B4EDA

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #3F79C0

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

Preview Lab → · Contrast checker → · Palette generator →