#3973C0#3973C0

#3973C0 is a mid, vivid cyan. Relative luminance 0.169; OKLCH L 55.5% C 0.135 H 256.4°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#3973C0
RGB	rgb(57, 115, 192)
HSL	hsl(214, 54%, 49%)
HSV	hsv(214, 70%, 75%)
CMYK	cmyk(70.3%, 40.1%, 0%, 24.7%)
CIE-LAB	lab(48.18, 6.89, -45.89)
CIE-LCH	lch(48.18, 46.41, 278.54°)
OKLab	oklab(55.5% -0.0317 -0.1309)
OKLCH	oklch(55.5% 0.135 256.4)
XYZ	xyz(17.3290, 16.9353, 52.2145)
Luminance	0.1694 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3973C0 #C08639

analogous

#39B7C0 #3973C0 #4239C0

triadic

#3973C0 #C03973 #73C039

tetradic

#3973C0 #C039B7 #C08639 #39C042

square

#3973C0 #C039B7 #C08639 #39C042

split-complementary

#3973C0 #C04239 #B7C039

monochromatic

#1D3A62 #2B5791 #3973C0 #6593D1 #94B4DF

Accessibility & contrast

On white

4.79

#3973C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#3973C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3973C0

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3973C0	#FFFFFF	#000000	##FFFFFF
##3973C0	1.00	4.79	4.39	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F79C3

Deuteranopia (green-blind)

#3A6DBE

Tritanopia (blue-blind)

#008590

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3973c0;
/* rgb */ color: rgb(57, 115, 192);
/* oklch */ color: oklch(55.5% 0.135 256.4);

Tailwind

colors: {
  custom: {
    50: '#7f9ad3',
    500: '#3973c0',
    950: '#000000',
  },
}

SCSS

$custom: #3973c0;
$custom-light: #7f9ad3;
$custom-dark: #000000;

JSON

{
  "hex": "#3973c0",
  "rgb": {
    "r": 57,
    "g": 115,
    "b": 192
  },
  "hsl": {
    "h": 214.222,
    "s": 54.217,
    "l": 48.824
  },
  "oklch": {
    "l": 0.55498,
    "c": 0.13466,
    "h": 256.4
  },
  "luminance": 0.16937
}

Semantic roles & 50–950 ramp

primary

#3973C0

secondary

#CBAF8A

accent

#9E4ADE

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3973C0

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

Preview Lab → · Contrast checker → · Palette generator →