#3977C3#3977C3

#3977C3 is a mid, vivid cyan. Relative luminance 0.180; OKLCH L 56.6% C 0.134 H 255.0°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#3977C3
RGB	rgb(57, 119, 195)
HSL	hsl(213, 55%, 49%)
HSV	hsv(213, 71%, 76%)
CMYK	cmyk(70.8%, 39%, 0%, 23.5%)
CIE-LAB	lab(49.50, 5.51, -45.52)
CIE-LCH	lch(49.50, 45.85, 276.90°)
OKLab	oklab(56.58% -0.0348 -0.1297)
OKLCH	oklch(56.58% 0.134 255)
XYZ	xyz(18.1309, 18.0017, 54.1383)
Luminance	0.1800 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3977C3 #C38539

analogous

#39BCC3 #3977C3 #4039C3

triadic

#3977C3 #C33977 #77C339

tetradic

#3977C3 #C339BC #C38539 #39C340

square

#3977C3 #C339BC #C38539 #39C340

split-complementary

#3977C3 #C34039 #BCC339

monochromatic

#1D3D64 #2B5A94 #3977C3 #6797D2 #96B7E0

Accessibility & contrast

On white

4.56

#3977C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#3977C3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3977C3

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3977C3	#FFFFFF	#000000	##000000
##3977C3	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#547DC6

Deuteranopia (green-blind)

#3F70C1

Tritanopia (blue-blind)

#008993

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3977c3;
/* rgb */ color: rgb(57, 119, 195);
/* oklch */ color: oklch(56.6% 0.134 255.0);

Tailwind

colors: {
  custom: {
    50: '#809dd5',
    500: '#3977c3',
    950: '#000000',
  },
}

SCSS

$custom: #3977c3;
$custom-light: #809dd5;
$custom-dark: #000000;

JSON

{
  "hex": "#3977c3",
  "rgb": {
    "r": 57,
    "g": 119,
    "b": 195
  },
  "hsl": {
    "h": 213.043,
    "s": 54.762,
    "l": 49.412
  },
  "oklch": {
    "l": 0.56579,
    "c": 0.1343,
    "h": 255
  },
  "luminance": 0.18004
}

Semantic roles & 50–950 ramp

primary

#3977C3

secondary

#CCAF8C

accent

#9B4ADE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3977C3

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

Preview Lab → · Contrast checker → · Palette generator →