#3973C2#3973C2

#3973C2 is a mid, vivid cyan. Relative luminance 0.170; OKLCH L 55.6% C 0.137 H 256.8°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#3973C2
RGB	rgb(57, 115, 194)
HSL	hsl(215, 55%, 49%)
HSV	hsv(215, 71%, 76%)
CMYK	cmyk(70.6%, 40.7%, 0%, 23.9%)
CIE-LAB	lab(48.29, 7.61, -46.86)
CIE-LCH	lch(48.29, 47.48, 279.23°)
OKLab	oklab(55.62% -0.0313 -0.1337)
OKLCH	oklch(55.62% 0.137 256.8)
XYZ	xyz(17.5521, 17.0245, 53.3895)
Luminance	0.1703 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3973C2 #C28839

analogous

#39B8C2 #3973C2 #4439C2

triadic

#3973C2 #C23973 #73C239

tetradic

#3973C2 #C239B8 #C28839 #39C244

square

#3973C2 #C239B8 #C28839 #39C244

split-complementary

#3973C2 #C24439 #B8C239

monochromatic

#1D3B63 #2B5793 #3973C2 #6694D2 #95B5E0

Accessibility & contrast

On white

4.77

#3973C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#3973C2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3973C2

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3973C2	#FFFFFF	#000000	##FFFFFF
##3973C2	1.00	4.77	4.41	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E7AC5

Deuteranopia (green-blind)

#386DC0

Tritanopia (blue-blind)

#008591

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3973c2;
/* rgb */ color: rgb(57, 115, 194);
/* oklch */ color: oklch(55.6% 0.137 256.8);

Tailwind

colors: {
  custom: {
    50: '#7f9ad5',
    500: '#3973c2',
    950: '#000000',
  },
}

SCSS

$custom: #3973c2;
$custom-light: #7f9ad5;
$custom-dark: #000000;

JSON

{
  "hex": "#3973c2",
  "rgb": {
    "r": 57,
    "g": 115,
    "b": 194
  },
  "hsl": {
    "h": 214.599,
    "s": 54.582,
    "l": 49.216
  },
  "oklch": {
    "l": 0.55622,
    "c": 0.13733,
    "h": 256.8
  },
  "luminance": 0.17026
}

Semantic roles & 50–950 ramp

primary

#3973C2

secondary

#CBB08B

accent

#9F4ADE

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3973C2

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

Preview Lab → · Contrast checker → · Palette generator →