#3975C0#3975C0

#3975C0 is a mid, vivid cyan. Relative luminance 0.174; OKLCH L 55.9% C 0.132 H 255.3°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#3975C0
RGB	rgb(57, 117, 192)
HSL	hsl(213, 54%, 49%)
HSV	hsv(213, 70%, 75%)
CMYK	cmyk(70.3%, 39.1%, 0%, 24.7%)
CIE-LAB	lab(48.76, 5.65, -44.97)
CIE-LCH	lch(48.76, 45.33, 277.16°)
OKLab	oklab(55.95% -0.0336 -0.1281)
OKLCH	oklch(55.95% 0.132 255.3)
XYZ	xyz(17.5596, 17.3963, 52.2914)
Luminance	0.1740 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3975C0 #C08439

analogous

#39B9C0 #3975C0 #4039C0

triadic

#3975C0 #C03975 #75C039

tetradic

#3975C0 #C039B9 #C08439 #39C040

square

#3975C0 #C039B9 #C08439 #39C040

split-complementary

#3975C0 #C04039 #B9C039

monochromatic

#1D3B62 #2B5891 #3975C0 #6595D1 #94B6DF

Accessibility & contrast

On white

4.69

#3975C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#3975C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3975C0

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3975C0	#FFFFFF	#000000	##FFFFFF
##3975C0	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#537BC3

Deuteranopia (green-blind)

#3E6EBE

Tritanopia (blue-blind)

#008691

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3975c0;
/* rgb */ color: rgb(57, 117, 192);
/* oklch */ color: oklch(55.9% 0.132 255.3);

Tailwind

colors: {
  custom: {
    50: '#7f9cd3',
    500: '#3975c0',
    950: '#000000',
  },
}

SCSS

$custom: #3975c0;
$custom-light: #7f9cd3;
$custom-dark: #000000;

JSON

{
  "hex": "#3975c0",
  "rgb": {
    "r": 57,
    "g": 117,
    "b": 192
  },
  "hsl": {
    "h": 213.333,
    "s": 54.217,
    "l": 48.824
  },
  "oklch": {
    "l": 0.55947,
    "c": 0.13248,
    "h": 255.3
  },
  "luminance": 0.17398
}

Semantic roles & 50–950 ramp

primary

#3975C0

secondary

#CBAE8A

accent

#9C4ADE

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3975C0

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

Preview Lab → · Contrast checker → · Palette generator →