#3975BE#3975BE

#3975BE is a mid, vivid cyan. Relative luminance 0.173; OKLCH L 55.8% C 0.130 H 254.8°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#3975BE
RGB	rgb(57, 117, 190)
HSL	hsl(213, 54%, 48%)
HSV	hsv(213, 70%, 75%)
CMYK	cmyk(70%, 38.4%, 0%, 25.5%)
CIE-LAB	lab(48.65, 4.93, -44.00)
CIE-LCH	lch(48.65, 44.27, 276.39°)
OKLab	oklab(55.83% -0.0341 -0.1253)
OKLCH	oklch(55.83% 0.13 254.8)
XYZ	xyz(17.3395, 17.3083, 51.1322)
Luminance	0.1731 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3975BE #BE8239

analogous

#39B7BE #3975BE #3F39BE

triadic

#3975BE #BE3975 #75BE39

tetradic

#3975BE #BE39B7 #BE8239 #39BE3F

square

#3975BE #BE39B7 #BE8239 #39BE3F

split-complementary

#3975BE #BE3F39 #B7BE39

monochromatic

#1D3B60 #2B588F #3975BE #6495D0 #93B5DF

Accessibility & contrast

On white

4.71

#3975BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#3975BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3975BE

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3975BE	#FFFFFF	#000000	##FFFFFF
##3975BE	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#547AC1

Deuteranopia (green-blind)

#406EBD

Tritanopia (blue-blind)

#008690

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3975be;
/* rgb */ color: rgb(57, 117, 190);
/* oklch */ color: oklch(55.8% 0.130 254.8);

Tailwind

colors: {
  custom: {
    50: '#7f9cd2',
    500: '#3975be',
    950: '#000000',
  },
}

SCSS

$custom: #3975be;
$custom-light: #7f9cd2;
$custom-dark: #000000;

JSON

{
  "hex": "#3975be",
  "rgb": {
    "r": 57,
    "g": 117,
    "b": 190
  },
  "hsl": {
    "h": 212.932,
    "s": 53.846,
    "l": 48.431
  },
  "oklch": {
    "l": 0.55826,
    "c": 0.12984,
    "h": 254.8
  },
  "luminance": 0.1731
}

Semantic roles & 50–950 ramp

primary

#3975BE

secondary

#CAAD89

accent

#9B4BDD

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3975BE

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

Preview Lab → · Contrast checker → · Palette generator →