#3975C7#3975C7

#3975C7 is a mid, vivid cyan. Relative luminance 0.177; OKLCH L 56.4% C 0.142 H 256.9°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#3975C7
RGB	rgb(57, 117, 199)
HSL	hsl(215, 56%, 50%)
HSV	hsv(215, 71%, 78%)
CMYK	cmyk(71.4%, 41.2%, 0%, 22%)
CIE-LAB	lab(49.15, 8.19, -48.37)
CIE-LCH	lch(49.15, 49.06, 279.61°)
OKLab	oklab(56.38% -0.032 -0.1381)
OKLCH	oklch(56.38% 0.142 256.9)
XYZ	xyz(18.3537, 17.7140, 56.4736)
Luminance	0.1772 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3975C7 #C78B39

analogous

#39BCC7 #3975C7 #4439C7

triadic

#3975C7 #C73975 #75C739

tetradic

#3975C7 #C739BC #C78B39 #39C744

square

#3975C7 #C739BC #C78B39 #39C744

split-complementary

#3975C7 #C74439 #BCC739

monochromatic

#1D3D68 #2B5998 #3975C7 #6996D4 #98B8E2

Accessibility & contrast

On white

4.62

#3975C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#3975C7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3975C7

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3975C7	#FFFFFF	#000000	##FFFFFF
##3975C7	1.00	4.62	4.54	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E7CCA

Deuteranopia (green-blind)

#376FC5

Tritanopia (blue-blind)

#008894

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3975c7;
/* rgb */ color: rgb(57, 117, 199);
/* oklch */ color: oklch(56.4% 0.142 256.9);

Tailwind

colors: {
  custom: {
    50: '#809cd8',
    500: '#3975c7',
    950: '#000000',
  },
}

SCSS

$custom: #3975c7;
$custom-light: #809cd8;
$custom-dark: #000000;

JSON

{
  "hex": "#3975c7",
  "rgb": {
    "r": 57,
    "g": 117,
    "b": 199
  },
  "hsl": {
    "h": 214.648,
    "s": 55.906,
    "l": 50.196
  },
  "oklch": {
    "l": 0.56379,
    "c": 0.14177,
    "h": 256.9
  },
  "luminance": 0.17716
}

Semantic roles & 50–950 ramp

primary

#3975C7

secondary

#CEB38E

accent

#A049DF

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #3975C7

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

Preview Lab → · Contrast checker → · Palette generator →