#3977C6#3977C6

#3977C6 is a mid, vivid cyan. Relative luminance 0.181; OKLCH L 56.8% C 0.138 H 255.7°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#3977C6
RGB	rgb(57, 119, 198)
HSL	hsl(214, 55%, 50%)
HSV	hsv(214, 71%, 78%)
CMYK	cmyk(71.2%, 39.9%, 0%, 22.4%)
CIE-LAB	lab(49.66, 6.59, -46.97)
CIE-LCH	lch(49.66, 47.43, 277.99°)
OKLab	oklab(56.76% -0.0341 -0.134)
OKLCH	oklch(56.76% 0.138 255.7)
XYZ	xyz(18.4735, 18.1387, 55.9427)
Luminance	0.1814 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3977C6 #C68839

analogous

#39BDC6 #3977C6 #4239C6

triadic

#3977C6 #C63977 #77C639

tetradic

#3977C6 #C639BD #C68839 #39C642

square

#3977C6 #C639BD #C68839 #39C642

split-complementary

#3977C6 #C64239 #BDC639

monochromatic

#1E3E67 #2B5A96 #3977C6 #6998D4 #98B8E1

Accessibility & contrast

On white

4.54

#3977C6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#3977C6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3977C6

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3977C6	#FFFFFF	#000000	##000000
##3977C6	1.00	4.54	4.63	4.63
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#527DC9

Deuteranopia (green-blind)

#3C70C4

Tritanopia (blue-blind)

#008995

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3977c6;
/* rgb */ color: rgb(57, 119, 198);
/* oklch */ color: oklch(56.8% 0.138 255.7);

Tailwind

colors: {
  custom: {
    50: '#809dd8',
    500: '#3977c6',
    950: '#000000',
  },
}

SCSS

$custom: #3977c6;
$custom-light: #809dd8;
$custom-dark: #000000;

JSON

{
  "hex": "#3977c6",
  "rgb": {
    "r": 57,
    "g": 119,
    "b": 198
  },
  "hsl": {
    "h": 213.617,
    "s": 55.294,
    "l": 50
  },
  "oklch": {
    "l": 0.56762,
    "c": 0.13826,
    "h": 255.7
  },
  "luminance": 0.18141
}

Semantic roles & 50–950 ramp

primary

#3977C6

secondary

#CDB18E

accent

#9D49DF

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3977C6

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

Preview Lab → · Contrast checker → · Palette generator →