#3973C1#3973C1

#3973C1 is a mid, vivid cyan. Relative luminance 0.170; OKLCH L 55.6% C 0.136 H 256.6°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#3973C1
RGB	rgb(57, 115, 193)
HSL	hsl(214, 54%, 49%)
HSV	hsv(214, 70%, 76%)
CMYK	cmyk(70.5%, 40.4%, 0%, 24.3%)
CIE-LAB	lab(48.23, 7.25, -46.38)
CIE-LCH	lch(48.23, 46.94, 278.89°)
OKLab	oklab(55.56% -0.0315 -0.1323)
OKLCH	oklch(55.56% 0.136 256.6)
XYZ	xyz(17.4402, 16.9797, 52.8000)
Luminance	0.1698 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3973C1 #C18739

analogous

#39B7C1 #3973C1 #4339C1

triadic

#3973C1 #C13973 #73C139

tetradic

#3973C1 #C139B7 #C18739 #39C143

square

#3973C1 #C139B7 #C18739 #39C143

split-complementary

#3973C1 #C14339 #B7C139

monochromatic

#1D3B63 #2B5792 #3973C1 #6694D2 #95B5E0

Accessibility & contrast

On white

4.78

#3973C1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#3973C1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3973C1

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3973C1	#FFFFFF	#000000	##FFFFFF
##3973C1	1.00	4.78	4.40	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F79C4

Deuteranopia (green-blind)

#396DBF

Tritanopia (blue-blind)

#008590

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3973c1;
/* rgb */ color: rgb(57, 115, 193);
/* oklch */ color: oklch(55.6% 0.136 256.6);

Tailwind

colors: {
  custom: {
    50: '#7f9ad4',
    500: '#3973c1',
    950: '#000000',
  },
}

SCSS

$custom: #3973c1;
$custom-light: #7f9ad4;
$custom-dark: #000000;

JSON

{
  "hex": "#3973c1",
  "rgb": {
    "r": 57,
    "g": 115,
    "b": 193
  },
  "hsl": {
    "h": 214.412,
    "s": 54.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.5556,
    "c": 0.13599,
    "h": 256.6
  },
  "luminance": 0.16982
}

Semantic roles & 50–950 ramp

primary

#3973C1

secondary

#CBB08B

accent

#9F4ADE

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3973C1

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

Preview Lab → · Contrast checker → · Palette generator →