#3974BF#3974BF

#3974BF is a mid, vivid cyan. Relative luminance 0.171; OKLCH L 55.7% C 0.132 H 255.6°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#3974BF
RGB	rgb(57, 116, 191)
HSL	hsl(214, 54%, 49%)
HSV	hsv(214, 70%, 75%)
CMYK	cmyk(70.2%, 39.3%, 0%, 25.1%)
CIE-LAB	lab(48.41, 5.91, -44.95)
CIE-LCH	lch(48.41, 45.33, 277.49°)
OKLab	oklab(55.66% -0.0329 -0.1281)
OKLCH	oklch(55.66% 0.132 255.6)
XYZ	xyz(17.3333, 17.1204, 51.6712)
Luminance	0.1712 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3974BF #BF8439

analogous

#39B7BF #3974BF #4139BF

triadic

#3974BF #BF3974 #74BF39

tetradic

#3974BF #BF39B7 #BF8439 #39BF41

square

#3974BF #BF39B7 #BF8439 #39BF41

split-complementary

#3974BF #BF4139 #B7BF39

monochromatic

#1D3B61 #2B5790 #3974BF #6494D1 #93B5DF

Accessibility & contrast

On white

4.75

#3974BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#3974BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3974BF

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3974BF	#FFFFFF	#000000	##FFFFFF
##3974BF	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#527AC2

Deuteranopia (green-blind)

#3D6DBD

Tritanopia (blue-blind)

#008590

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3974bf;
/* rgb */ color: rgb(57, 116, 191);
/* oklch */ color: oklch(55.7% 0.132 255.6);

Tailwind

colors: {
  custom: {
    50: '#7f9bd3',
    500: '#3974bf',
    950: '#000000',
  },
}

SCSS

$custom: #3974bf;
$custom-light: #7f9bd3;
$custom-dark: #000000;

JSON

{
  "hex": "#3974bf",
  "rgb": {
    "r": 57,
    "g": 116,
    "b": 191
  },
  "hsl": {
    "h": 213.582,
    "s": 54.032,
    "l": 48.627
  },
  "oklch": {
    "l": 0.55661,
    "c": 0.13224,
    "h": 255.6
  },
  "luminance": 0.17122
}

Semantic roles & 50–950 ramp

primary

#3974BF

secondary

#CAAE8A

accent

#9D4ADD

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3974BF

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

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