#3973AD#3973AD

#3973AD is a mid, moderate cyan. Relative luminance 0.161; OKLCH L 54.4% C 0.110 H 250.5°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#3973AD
RGB	rgb(57, 115, 173)
HSL	hsl(210, 50%, 45%)
HSV	hsv(210, 67%, 68%)
CMYK	cmyk(67.1%, 33.5%, 0%, 32.2%)
CIE-LAB	lab(47.17, 0.06, -36.49)
CIE-LCH	lch(47.17, 36.49, 270.10°)
OKLab	oklab(54.38% -0.0365 -0.1034)
OKLCH	oklch(54.38% 0.11 250.5)
XYZ	xyz(15.3581, 16.1469, 41.8343)
Luminance	0.1615 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3973AD #AD7339

analogous

#39ADAD #3973AD #3939AD

triadic

#3973AD #AD3973 #73AD39

tetradic

#3973AD #AD39AD #AD7339 #39AD39

square

#3973AD #AD39AD #AD7339 #39AD39

split-complementary

#3973AD #AD3939 #ADAD39

monochromatic

#1B3651 #2A547F #3973AD #5A92C9 #88B0D8

Accessibility & contrast

On white

4.97

#3973AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#3973AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3973AD

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3973AD	#FFFFFF	#000000	##FFFFFF
##3973AD	1.00	4.97	4.23	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A76AF

Deuteranopia (green-blind)

#496BAC

Tritanopia (blue-blind)

#008188

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3973ad;
/* rgb */ color: rgb(57, 115, 173);
/* oklch */ color: oklch(54.4% 0.110 250.5);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#3973ad",
  "rgb": {
    "r": 57,
    "g": 115,
    "b": 173
  },
  "hsl": {
    "h": 210,
    "s": 50.435,
    "l": 45.098
  },
  "oklch": {
    "l": 0.54378,
    "c": 0.10963,
    "h": 250.5
  },
  "luminance": 0.16148
}

Semantic roles & 50–950 ramp

primary

#3973AD

secondary

#C2A180

accent

#944EDA

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3973AD

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

Preview Lab → · Contrast checker → · Palette generator →