#3977C2#3977C2

#3977C2 is a mid, vivid cyan. Relative luminance 0.180; OKLCH L 56.5% C 0.133 H 254.7°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#3977C2
RGB	rgb(57, 119, 194)
HSL	hsl(213, 55%, 49%)
HSV	hsv(213, 71%, 76%)
CMYK	cmyk(70.6%, 38.7%, 0%, 23.9%)
CIE-LAB	lab(49.44, 5.14, -45.03)
CIE-LCH	lch(49.44, 45.32, 276.52°)
OKLab	oklab(56.52% -0.035 -0.1283)
OKLCH	oklch(56.52% 0.133 254.7)
XYZ	xyz(18.0182, 17.9566, 53.5449)
Luminance	0.1796 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3977C2 #C28439

analogous

#39BCC2 #3977C2 #4039C2

triadic

#3977C2 #C23977 #77C239

tetradic

#3977C2 #C239BC #C28439 #39C240

square

#3977C2 #C239BC #C28439 #39C240

split-complementary

#3977C2 #C24039 #BCC239

monochromatic

#1D3D63 #2B5A93 #3977C2 #6697D2 #95B7E0

Accessibility & contrast

On white

4.57

#3977C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#3977C2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3977C2

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3977C2	#FFFFFF	#000000	##000000
##3977C2	1.00	4.57	4.59	4.59
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#557CC5

Deuteranopia (green-blind)

#4070C0

Tritanopia (blue-blind)

#008893

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3977c2;
/* rgb */ color: rgb(57, 119, 194);
/* oklch */ color: oklch(56.5% 0.133 254.7);

Tailwind

colors: {
  custom: {
    50: '#7f9dd5',
    500: '#3977c2',
    950: '#000000',
  },
}

SCSS

$custom: #3977c2;
$custom-light: #7f9dd5;
$custom-dark: #000000;

JSON

{
  "hex": "#3977c2",
  "rgb": {
    "r": 57,
    "g": 119,
    "b": 194
  },
  "hsl": {
    "h": 212.847,
    "s": 54.582,
    "l": 49.216
  },
  "oklch": {
    "l": 0.56519,
    "c": 0.13298,
    "h": 254.7
  },
  "luminance": 0.17959
}

Semantic roles & 50–950 ramp

primary

#3977C2

secondary

#CBAE8B

accent

#9B4ADE

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3977C2

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

Preview Lab → · Contrast checker → · Palette generator →