#3972BC#3972BC

#3972BC is a mid, vivid cyan. Relative luminance 0.165; OKLCH L 55.0% C 0.130 H 255.9°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#3972BC
RGB	rgb(57, 114, 188)
HSL	hsl(214, 53%, 48%)
HSV	hsv(214, 70%, 74%)
CMYK	cmyk(69.7%, 39.4%, 0%, 26.3%)
CIE-LAB	lab(47.67, 6.06, -44.40)
CIE-LCH	lch(47.67, 44.81, 277.77°)
OKLab	oklab(55.03% -0.0317 -0.1265)
OKLCH	oklch(55.03% 0.13 255.9)
XYZ	xyz(16.7784, 16.5336, 49.8742)
Luminance	0.1653 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3972BC #BC8339

analogous

#39B3BC #3972BC #4139BC

triadic

#3972BC #BC3972 #72BC39

tetradic

#3972BC #BC39B3 #BC8339 #39BC41

square

#3972BC #BC39B3 #BC8339 #39BC41

split-complementary

#3972BC #BC4139 #B3BC39

monochromatic

#1D395E #2B568D #3972BC #6392D0 #92B3DE

Accessibility & contrast

On white

4.88

#3972BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#3972BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3972BC

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3972BC	#FFFFFF	#000000	##FFFFFF
##3972BC	1.00	4.88	4.31	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5078BF

Deuteranopia (green-blind)

#3C6BBB

Tritanopia (blue-blind)

#00838E

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3972bc;
/* rgb */ color: rgb(57, 114, 188);
/* oklch */ color: oklch(55.0% 0.130 255.9);

Tailwind

colors: {
  custom: {
    50: '#7e9ad0',
    500: '#3972bc',
    950: '#000000',
  },
}

SCSS

$custom: #3972bc;
$custom-light: #7e9ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#3972bc",
  "rgb": {
    "r": 57,
    "g": 114,
    "b": 188
  },
  "hsl": {
    "h": 213.893,
    "s": 53.469,
    "l": 48.039
  },
  "oklch": {
    "l": 0.55028,
    "c": 0.13041,
    "h": 255.9
  },
  "luminance": 0.16535
}

Semantic roles & 50–950 ramp

primary

#3972BC

secondary

#C9AD88

accent

#9D4BDD

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3972BC

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

Preview Lab → · Contrast checker → · Palette generator →