#3973AC#3973AC

#3973AC is a mid, moderate cyan. Relative luminance 0.161; OKLCH L 54.3% C 0.108 H 250.1°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#3973AC
RGB	rgb(57, 115, 172)
HSL	hsl(210, 50%, 45%)
HSV	hsv(210, 67%, 67%)
CMYK	cmyk(66.9%, 33.1%, 0%, 32.5%)
CIE-LAB	lab(47.12, -0.29, -35.98)
CIE-LCH	lch(47.12, 35.99, 269.54°)
OKLab	oklab(54.32% -0.0368 -0.1019)
OKLCH	oklch(54.32% 0.108 250.1)
XYZ	xyz(15.2617, 16.1083, 41.3266)
Luminance	0.1611 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3973AC #AC7239

analogous

#39ACAB #3973AC #393AAC

triadic

#3973AC #AC3973 #73AC39

tetradic

#3973AC #AB39AC #AC7239 #3AAC39

square

#3973AC #AB39AC #AC7239 #3AAC39

split-complementary

#3973AC #AC393A #ACAB39

monochromatic

#1B3650 #2A547E #3973AC #5A92C8 #88B0D8

Accessibility & contrast

On white

4.97

#3973AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#3973AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3973AC

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3973AC	#FFFFFF	#000000	##FFFFFF
##3973AC	1.00	4.97	4.22	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A76AE

Deuteranopia (green-blind)

#4A6BAB

Tritanopia (blue-blind)

#008087

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3973ac;
/* rgb */ color: rgb(57, 115, 172);
/* oklch */ color: oklch(54.3% 0.108 250.1);

Tailwind

colors: {
  custom: {
    50: '#7c9bc5',
    500: '#3973ac',
    950: '#000000',
  },
}

SCSS

$custom: #3973ac;
$custom-light: #7c9bc5;
$custom-dark: #000000;

JSON

{
  "hex": "#3973ac",
  "rgb": {
    "r": 57,
    "g": 115,
    "b": 172
  },
  "hsl": {
    "h": 209.739,
    "s": 50.218,
    "l": 44.902
  },
  "oklch": {
    "l": 0.54322,
    "c": 0.10835,
    "h": 250.1
  },
  "luminance": 0.1611
}

Semantic roles & 50–950 ramp

primary

#3973AC

secondary

#C2A07F

accent

#934EDA

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3973AC

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

Preview Lab → · Contrast checker → · Palette generator →