#3973C3#3973C3

#3973C3 is a mid, vivid cyan. Relative luminance 0.171; OKLCH L 55.7% C 0.139 H 257.1°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#3973C3
RGB	rgb(57, 115, 195)
HSL	hsl(215, 55%, 49%)
HSV	hsv(215, 71%, 76%)
CMYK	cmyk(70.8%, 41%, 0%, 23.5%)
CIE-LAB	lab(48.35, 7.98, -47.35)
CIE-LCH	lch(48.35, 48.02, 279.56°)
OKLab	oklab(55.68% -0.031 -0.1351)
OKLCH	oklch(55.68% 0.139 257.1)
XYZ	xyz(17.6648, 17.0696, 53.9830)
Luminance	0.1707 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3973C3 #C38939

analogous

#39B8C3 #3973C3 #4439C3

triadic

#3973C3 #C33973 #73C339

tetradic

#3973C3 #C339B8 #C38939 #39C344

square

#3973C3 #C339B8 #C38939 #39C344

split-complementary

#3973C3 #C34439 #B8C339

monochromatic

#1D3B64 #2B5794 #3973C3 #6794D2 #96B5E0

Accessibility & contrast

On white

4.76

#3973C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#3973C3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3973C3

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3973C3	#FFFFFF	#000000	##FFFFFF
##3973C3	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D7AC6

Deuteranopia (green-blind)

#376DC1

Tritanopia (blue-blind)

#008691

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3973c3;
/* rgb */ color: rgb(57, 115, 195);
/* oklch */ color: oklch(55.7% 0.139 257.1);

Tailwind

colors: {
  custom: {
    50: '#809ad5',
    500: '#3973c3',
    950: '#000000',
  },
}

SCSS

$custom: #3973c3;
$custom-light: #809ad5;
$custom-dark: #000000;

JSON

{
  "hex": "#3973c3",
  "rgb": {
    "r": 57,
    "g": 115,
    "b": 195
  },
  "hsl": {
    "h": 214.783,
    "s": 54.762,
    "l": 49.412
  },
  "oklch": {
    "l": 0.55685,
    "c": 0.13866,
    "h": 257.1
  },
  "luminance": 0.17071
}

Semantic roles & 50–950 ramp

primary

#3973C3

secondary

#CCB18C

accent

#A04ADE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3973C3

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

Preview Lab → · Contrast checker → · Palette generator →