#3973AF#3973AF

#3973AF is a mid, moderate cyan. Relative luminance 0.162; OKLCH L 54.5% C 0.112 H 251.3°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#3973AF
RGB	rgb(57, 115, 175)
HSL	hsl(211, 51%, 45%)
HSV	hsv(211, 67%, 69%)
CMYK	cmyk(67.4%, 34.3%, 0%, 31.4%)
CIE-LAB	lab(47.27, 0.77, -37.49)
CIE-LCH	lch(47.27, 37.50, 271.18°)
OKLab	oklab(54.49% -0.036 -0.1063)
OKLCH	oklch(54.49% 0.112 251.3)
XYZ	xyz(15.5531, 16.2249, 42.8612)
Luminance	0.1623 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3973AF #AF7539

analogous

#39AEAF #3973AF #3A39AF

triadic

#3973AF #AF3973 #73AF39

tetradic

#3973AF #AF39AE #AF7539 #39AF3A

square

#3973AF #AF39AE #AF7539 #39AF3A

split-complementary

#3973AF #AF3A39 #AEAF39

monochromatic

#1B3653 #2A5581 #3973AF #5B92CA #8AB1D9

Accessibility & contrast

On white

4.95

#3973AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#3973AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3973AF

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3973AF	#FFFFFF	#000000	##FFFFFF
##3973AF	1.00	4.95	4.25	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5976B2

Deuteranopia (green-blind)

#486BAE

Tritanopia (blue-blind)

#008189

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3973af;
/* rgb */ color: rgb(57, 115, 175);
/* oklch */ color: oklch(54.5% 0.112 251.3);

Tailwind

colors: {
  custom: {
    50: '#7c9bc7',
    500: '#3973af',
    950: '#000000',
  },
}

SCSS

$custom: #3973af;
$custom-light: #7c9bc7;
$custom-dark: #000000;

JSON

{
  "hex": "#3973af",
  "rgb": {
    "r": 57,
    "g": 115,
    "b": 175
  },
  "hsl": {
    "h": 210.508,
    "s": 50.862,
    "l": 45.49
  },
  "oklch": {
    "l": 0.54491,
    "c": 0.11222,
    "h": 251.3
  },
  "luminance": 0.16226
}

Semantic roles & 50–950 ramp

primary

#3973AF

secondary

#C3A281

accent

#954DDA

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3973AF

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

Preview Lab → · Contrast checker → · Palette generator →