#3972BF#3972BF

#3972BF is a mid, vivid cyan. Relative luminance 0.167; OKLCH L 55.2% C 0.134 H 256.7°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#3972BF
RGB	rgb(57, 114, 191)
HSL	hsl(214, 54%, 49%)
HSV	hsv(214, 70%, 75%)
CMYK	cmyk(70.2%, 40.3%, 0%, 25.1%)
CIE-LAB	lab(47.83, 7.15, -45.87)
CIE-LCH	lch(47.83, 46.42, 278.85°)
OKLab	oklab(55.21% -0.031 -0.1308)
OKLCH	oklch(55.21% 0.134 256.7)
XYZ	xyz(17.1052, 16.6643, 51.5952)
Luminance	0.1667 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3972BF #BF8639

analogous

#39B5BF #3972BF #4339BF

triadic

#3972BF #BF3972 #72BF39

tetradic

#3972BF #BF39B5 #BF8639 #39BF43

square

#3972BF #BF39B5 #BF8639 #39BF43

split-complementary

#3972BF #BF4339 #B5BF39

monochromatic

#1D3A61 #2B5690 #3972BF #6493D1 #93B4DF

Accessibility & contrast

On white

4.85

#3972BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#3972BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3972BF

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3972BF	#FFFFFF	#000000	##FFFFFF
##3972BF	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E78C2

Deuteranopia (green-blind)

#396CBD

Tritanopia (blue-blind)

#00848F

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3972bf;
/* rgb */ color: rgb(57, 114, 191);
/* oklch */ color: oklch(55.2% 0.134 256.7);

Tailwind

colors: {
  custom: {
    50: '#7f9ad3',
    500: '#3972bf',
    950: '#000000',
  },
}

SCSS

$custom: #3972bf;
$custom-light: #7f9ad3;
$custom-dark: #000000;

JSON

{
  "hex": "#3972bf",
  "rgb": {
    "r": 57,
    "g": 114,
    "b": 191
  },
  "hsl": {
    "h": 214.478,
    "s": 54.032,
    "l": 48.627
  },
  "oklch": {
    "l": 0.55212,
    "c": 0.13442,
    "h": 256.7
  },
  "luminance": 0.16666
}

Semantic roles & 50–950 ramp

primary

#3972BF

secondary

#CAAF8A

accent

#9F4ADD

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3972BF

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

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