#3975BA#3975BA

#3975BA is a mid, vivid cyan. Relative luminance 0.171; OKLCH L 55.6% C 0.125 H 253.6°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#3975BA
RGB	rgb(57, 117, 186)
HSL	hsl(212, 53%, 48%)
HSV	hsv(212, 69%, 73%)
CMYK	cmyk(69.4%, 37.1%, 0%, 27.1%)
CIE-LAB	lab(48.43, 3.49, -42.03)
CIE-LCH	lch(48.43, 42.18, 274.74°)
OKLab	oklab(55.59% -0.0351 -0.1195)
OKLCH	oklch(55.59% 0.125 253.6)
XYZ	xyz(16.9083, 17.1358, 48.8613)
Luminance	0.1714 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3975BA #BA7E39

analogous

#39B5BA #3975BA #3E39BA

triadic

#3975BA #BA3975 #75BA39

tetradic

#3975BA #BA39B5 #BA7E39 #39BA3E

square

#3975BA #BA39B5 #BA7E39 #39BA3E

split-complementary

#3975BA #BA3E39 #B5BA39

monochromatic

#1C3A5C #2B588B #3975BA #6194CF #90B4DD

Accessibility & contrast

On white

4.74

#3975BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#3975BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3975BA

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3975BA	#FFFFFF	#000000	##FFFFFF
##3975BA	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#567ABD

Deuteranopia (green-blind)

#436DB9

Tritanopia (blue-blind)

#00858E

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3975ba;
/* rgb */ color: rgb(57, 117, 186);
/* oklch */ color: oklch(55.6% 0.125 253.6);

Tailwind

colors: {
  custom: {
    50: '#7e9ccf',
    500: '#3975ba',
    950: '#000000',
  },
}

SCSS

$custom: #3975ba;
$custom-light: #7e9ccf;
$custom-dark: #000000;

JSON

{
  "hex": "#3975ba",
  "rgb": {
    "r": 57,
    "g": 117,
    "b": 186
  },
  "hsl": {
    "h": 212.093,
    "s": 53.086,
    "l": 47.647
  },
  "oklch": {
    "l": 0.55588,
    "c": 0.12457,
    "h": 253.6
  },
  "luminance": 0.17138
}

Semantic roles & 50–950 ramp

primary

#3975BA

secondary

#C8AA87

accent

#994BDC

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3975BA

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

Preview Lab → · Contrast checker → · Palette generator →