#3975C8#3975C8

#3975C8 is a mid, vivid cyan. Relative luminance 0.178; OKLCH L 56.4% C 0.143 H 257.1°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#3975C8
RGB	rgb(57, 117, 200)
HSL	hsl(215, 57%, 50%)
HSV	hsv(215, 72%, 78%)
CMYK	cmyk(71.5%, 41.5%, 0%, 21.6%)
CIE-LAB	lab(49.20, 8.56, -48.85)
CIE-LCH	lch(49.20, 49.59, 279.94°)
OKLab	oklab(56.44% -0.0318 -0.1395)
OKLCH	oklch(56.44% 0.143 257.1)
XYZ	xyz(18.4702, 17.7606, 57.0871)
Luminance	0.1776 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3975C8 #C88C39

analogous

#39BDC8 #3975C8 #4439C8

triadic

#3975C8 #C83975 #75C839

tetradic

#3975C8 #C839BD #C88C39 #39C844

square

#3975C8 #C839BD #C88C39 #39C844

split-complementary

#3975C8 #C84439 #BDC839

monochromatic

#1D3D69 #2B5999 #3975C8 #6996D5 #99B8E3

Accessibility & contrast

On white

4.61

#3975C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#3975C8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3975C8

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3975C8	#FFFFFF	#000000	##FFFFFF
##3975C8	1.00	4.61	4.55	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D7CCB

Deuteranopia (green-blind)

#366FC6

Tritanopia (blue-blind)

#008895

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3975c8;
/* rgb */ color: rgb(57, 117, 200);
/* oklch */ color: oklch(56.4% 0.143 257.1);

Tailwind

colors: {
  custom: {
    50: '#819cd9',
    500: '#3975c8',
    950: '#000000',
  },
}

SCSS

$custom: #3975c8;
$custom-light: #819cd9;
$custom-dark: #000000;

JSON

{
  "hex": "#3975c8",
  "rgb": {
    "r": 57,
    "g": 117,
    "b": 200
  },
  "hsl": {
    "h": 214.825,
    "s": 56.522,
    "l": 50.392
  },
  "oklch": {
    "l": 0.56442,
    "c": 0.1431,
    "h": 257.1
  },
  "luminance": 0.17763
}

Semantic roles & 50–950 ramp

primary

#3975C8

secondary

#CEB48F

accent

#A048E0

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3975C8

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

Preview Lab → · Contrast checker → · Palette generator →