#3975AC#3975AC

#3975AC is a mid, moderate cyan. Relative luminance 0.166; OKLCH L 54.8% C 0.106 H 248.6°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#3975AC
RGB	rgb(57, 117, 172)
HSL	hsl(209, 50%, 45%)
HSV	hsv(209, 67%, 67%)
CMYK	cmyk(66.9%, 32%, 0%, 32.5%)
CIE-LAB	lab(47.71, -1.50, -35.05)
CIE-LCH	lch(47.71, 35.08, 267.55°)
OKLab	oklab(54.79% -0.0389 -0.0991)
OKLCH	oklch(54.79% 0.107 248.6)
XYZ	xyz(15.4923, 16.5694, 41.4035)
Luminance	0.1657 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3975AC #AC7039

analogous

#39ACAA #3975AC #393BAC

triadic

#3975AC #AC3975 #75AC39

tetradic

#3975AC #AA39AC #AC7039 #3BAC39

square

#3975AC #AA39AC #AC7039 #3BAC39

split-complementary

#3975AC #AC393B #ACAA39

monochromatic

#1B3650 #2A567E #3975AC #5A93C8 #88B1D8

Accessibility & contrast

On white

4.87

#3975AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#3975AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3975AC

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3975AC	#FFFFFF	#000000	##FFFFFF
##3975AC	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D77AE

Deuteranopia (green-blind)

#4D6CAB

Tritanopia (blue-blind)

#008289

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3975ac;
/* rgb */ color: rgb(57, 117, 172);
/* oklch */ color: oklch(54.8% 0.106 248.6);

Tailwind

colors: {
  custom: {
    50: '#7c9cc5',
    500: '#3975ac',
    950: '#000000',
  },
}

SCSS

$custom: #3975ac;
$custom-light: #7c9cc5;
$custom-dark: #000000;

JSON

{
  "hex": "#3975ac",
  "rgb": {
    "r": 57,
    "g": 117,
    "b": 172
  },
  "hsl": {
    "h": 208.696,
    "s": 50.218,
    "l": 44.902
  },
  "oklch": {
    "l": 0.54791,
    "c": 0.1065,
    "h": 248.6
  },
  "luminance": 0.16571
}

Semantic roles & 50–950 ramp

primary

#3975AC

secondary

#C29F7F

accent

#914EDA

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3975AC

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

Preview Lab → · Contrast checker → · Palette generator →