#3977C1#3977C1

#3977C1 is a mid, vivid cyan. Relative luminance 0.179; OKLCH L 56.5% C 0.132 H 254.5°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).

Color values

HEX	#3977C1
RGB	rgb(57, 119, 193)
HSL	hsl(213, 54%, 49%)
HSV	hsv(213, 70%, 76%)
CMYK	cmyk(70.5%, 38.3%, 0%, 24.3%)
CIE-LAB	lab(49.39, 4.78, -44.54)
CIE-LCH	lch(49.39, 44.80, 276.13°)
OKLab	oklab(56.46% -0.0353 -0.1268)
OKLCH	oklch(56.46% 0.132 254.5)
XYZ	xyz(17.9063, 17.9118, 52.9554)
Luminance	0.1791 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3977C1 #C18339

analogous

#39BBC1 #3977C1 #3F39C1

triadic

#3977C1 #C13977 #77C139

tetradic

#3977C1 #C139BB #C18339 #39C13F

square

#3977C1 #C139BB #C18339 #39C13F

split-complementary

#3977C1 #C13F39 #BBC139

monochromatic

#1D3D63 #2B5A92 #3977C1 #6697D2 #95B7E0

Accessibility & contrast

On white

4.58

#3977C1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#3977C1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3977C1

4.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3977C1	#FFFFFF	#000000	##000000
##3977C1	1.00	4.58	4.58	4.58
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.58	21.00	1.00	1.00
##000000	4.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#557CC4

Deuteranopia (green-blind)

#4170C0

Tritanopia (blue-blind)

#008893

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3977c1;
/* rgb */ color: rgb(57, 119, 193);
/* oklch */ color: oklch(56.5% 0.132 254.5);

Tailwind

colors: {
  custom: {
    50: '#7f9dd4',
    500: '#3977c1',
    950: '#000000',
  },
}

SCSS

$custom: #3977c1;
$custom-light: #7f9dd4;
$custom-dark: #000000;

JSON

{
  "hex": "#3977c1",
  "rgb": {
    "r": 57,
    "g": 119,
    "b": 193
  },
  "hsl": {
    "h": 212.647,
    "s": 54.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.56459,
    "c": 0.13167,
    "h": 254.5
  },
  "luminance": 0.17914
}

Semantic roles & 50–950 ramp

primary

#3977C1

secondary

#CBAE8B

accent

#9A4ADE

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3977C1

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

Preview Lab → · Contrast checker → · Palette generator →