#3975BD#3975BD

#3975BD is a mid, vivid cyan. Relative luminance 0.173; OKLCH L 55.8% C 0.129 H 254.5°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#3975BD
RGB	rgb(57, 117, 189)
HSL	hsl(213, 54%, 48%)
HSV	hsv(213, 70%, 74%)
CMYK	cmyk(69.8%, 38.1%, 0%, 25.9%)
CIE-LAB	lab(48.59, 4.57, -43.51)
CIE-LCH	lch(48.59, 43.75, 275.99°)
OKLab	oklab(55.77% -0.0343 -0.1238)
OKLCH	oklch(55.77% 0.129 254.5)
XYZ	xyz(17.2306, 17.2647, 50.5586)
Luminance	0.1727 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3975BD #BD8139

analogous

#39B7BD #3975BD #3F39BD

triadic

#3975BD #BD3975 #75BD39

tetradic

#3975BD #BD39B7 #BD8139 #39BD3F

square

#3975BD #BD39B7 #BD8139 #39BD3F

split-complementary

#3975BD #BD3F39 #B7BD39

monochromatic

#1D3B5F #2B588E #3975BD #6395D0 #92B5DE

Accessibility & contrast

On white

4.72

#3975BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#3975BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3975BD

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3975BD	#FFFFFF	#000000	##FFFFFF
##3975BD	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#547AC0

Deuteranopia (green-blind)

#416EBC

Tritanopia (blue-blind)

#008690

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3975bd;
/* rgb */ color: rgb(57, 117, 189);
/* oklch */ color: oklch(55.8% 0.129 254.5);

Tailwind

colors: {
  custom: {
    50: '#7f9cd1',
    500: '#3975bd',
    950: '#000000',
  },
}

SCSS

$custom: #3975bd;
$custom-light: #7f9cd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3975bd",
  "rgb": {
    "r": 57,
    "g": 117,
    "b": 189
  },
  "hsl": {
    "h": 212.727,
    "s": 53.659,
    "l": 48.235
  },
  "oklch": {
    "l": 0.55766,
    "c": 0.12852,
    "h": 254.5
  },
  "luminance": 0.17267
}

Semantic roles & 50–950 ramp

primary

#3975BD

secondary

#C9AC89

accent

#9B4BDD

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3975BD

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

Preview Lab → · Contrast checker → · Palette generator →