#3975AF#3975AF

#3975AF is a mid, moderate cyan. Relative luminance 0.167; OKLCH L 55.0% C 0.110 H 249.8°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#3975AF
RGB	rgb(57, 117, 175)
HSL	hsl(209, 51%, 45%)
HSV	hsv(209, 67%, 69%)
CMYK	cmyk(67.4%, 33.1%, 0%, 31.4%)
CIE-LAB	lab(47.86, -0.44, -36.56)
CIE-LCH	lch(47.86, 36.56, 269.31°)
OKLab	oklab(54.96% -0.0381 -0.1035)
OKLCH	oklch(54.96% 0.11 249.8)
XYZ	xyz(15.7836, 16.6860, 42.9380)
Luminance	0.1669 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3975AF #AF7339

analogous

#39AFAE #3975AF #393AAF

triadic

#3975AF #AF3975 #75AF39

tetradic

#3975AF #AE39AF #AF7339 #3AAF39

square

#3975AF #AE39AF #AF7339 #3AAF39

split-complementary

#3975AF #AF393A #AFAE39

monochromatic

#1B3753 #2A5681 #3975AF #5B94CA #8AB2D9

Accessibility & contrast

On white

4.84

#3975AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#3975AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3975AF

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3975AF	#FFFFFF	#000000	##FFFFFF
##3975AF	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B78B1

Deuteranopia (green-blind)

#4B6CAE

Tritanopia (blue-blind)

#00838A

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3975af;
/* rgb */ color: rgb(57, 117, 175);
/* oklch */ color: oklch(55.0% 0.110 249.8);

Tailwind

colors: {
  custom: {
    50: '#7c9cc7',
    500: '#3975af',
    950: '#000000',
  },
}

SCSS

$custom: #3975af;
$custom-light: #7c9cc7;
$custom-dark: #000000;

JSON

{
  "hex": "#3975af",
  "rgb": {
    "r": 57,
    "g": 117,
    "b": 175
  },
  "hsl": {
    "h": 209.492,
    "s": 50.862,
    "l": 45.49
  },
  "oklch": {
    "l": 0.54957,
    "c": 0.1103,
    "h": 249.8
  },
  "luminance": 0.16688
}

Semantic roles & 50–950 ramp

primary

#3975AF

secondary

#C3A181

accent

#934DDA

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3975AF

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

Preview Lab → · Contrast checker → · Palette generator →