#3974C0#3974C0

#3974C0 is a mid, vivid cyan. Relative luminance 0.172; OKLCH L 55.7% C 0.134 H 255.8°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#3974C0
RGB	rgb(57, 116, 192)
HSL	hsl(214, 54%, 49%)
HSV	hsv(214, 70%, 75%)
CMYK	cmyk(70.3%, 39.6%, 0%, 24.7%)
CIE-LAB	lab(48.47, 6.27, -45.43)
CIE-LCH	lch(48.47, 45.86, 277.86°)
OKLab	oklab(55.72% -0.0327 -0.1295)
OKLCH	oklch(55.72% 0.134 255.8)
XYZ	xyz(17.4437, 17.1646, 52.2527)
Luminance	0.1717 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3974C0 #C08539

analogous

#39B8C0 #3974C0 #4239C0

triadic

#3974C0 #C03974 #74C039

tetradic

#3974C0 #C039B8 #C08539 #39C042

square

#3974C0 #C039B8 #C08539 #39C042

split-complementary

#3974C0 #C04239 #B8C039

monochromatic

#1D3B62 #2B5791 #3974C0 #6594D1 #94B5DF

Accessibility & contrast

On white

4.74

#3974C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#3974C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3974C0

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3974C0	#FFFFFF	#000000	##FFFFFF
##3974C0	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#517AC3

Deuteranopia (green-blind)

#3C6DBE

Tritanopia (blue-blind)

#008691

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3974c0;
/* rgb */ color: rgb(57, 116, 192);
/* oklch */ color: oklch(55.7% 0.134 255.8);

Tailwind

colors: {
  custom: {
    50: '#7f9bd3',
    500: '#3974c0',
    950: '#000000',
  },
}

SCSS

$custom: #3974c0;
$custom-light: #7f9bd3;
$custom-dark: #000000;

JSON

{
  "hex": "#3974c0",
  "rgb": {
    "r": 57,
    "g": 116,
    "b": 192
  },
  "hsl": {
    "h": 213.778,
    "s": 54.217,
    "l": 48.824
  },
  "oklch": {
    "l": 0.55722,
    "c": 0.13356,
    "h": 255.8
  },
  "luminance": 0.17166
}

Semantic roles & 50–950 ramp

primary

#3974C0

secondary

#CBAE8A

accent

#9D4ADE

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3974C0

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

Preview Lab → · Contrast checker → · Palette generator →