#3974BE#3974BE

#3974BE is a mid, vivid cyan. Relative luminance 0.171; OKLCH L 55.6% C 0.131 H 255.3°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#3974BE
RGB	rgb(57, 116, 190)
HSL	hsl(213, 54%, 48%)
HSV	hsv(213, 70%, 75%)
CMYK	cmyk(70%, 38.9%, 0%, 25.5%)
CIE-LAB	lab(48.36, 5.54, -44.46)
CIE-LCH	lch(48.36, 44.80, 277.11°)
OKLab	oklab(55.6% -0.0331 -0.1267)
OKLCH	oklch(55.6% 0.131 255.3)
XYZ	xyz(17.2236, 17.0765, 51.0936)
Luminance	0.1708 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3974BE #BE8339

analogous

#39B6BE #3974BE #4039BE

triadic

#3974BE #BE3974 #74BE39

tetradic

#3974BE #BE39B6 #BE8339 #39BE40

square

#3974BE #BE39B6 #BE8339 #39BE40

split-complementary

#3974BE #BE4039 #B6BE39

monochromatic

#1D3B60 #2B578F #3974BE #6494D0 #93B4DF

Accessibility & contrast

On white

4.76

#3974BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#3974BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3974BE

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3974BE	#FFFFFF	#000000	##FFFFFF
##3974BE	1.00	4.76	4.42	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#527AC1

Deuteranopia (green-blind)

#3E6DBD

Tritanopia (blue-blind)

#008590

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3974be;
/* rgb */ color: rgb(57, 116, 190);
/* oklch */ color: oklch(55.6% 0.131 255.3);

Tailwind

colors: {
  custom: {
    50: '#7f9bd2',
    500: '#3974be',
    950: '#000000',
  },
}

SCSS

$custom: #3974be;
$custom-light: #7f9bd2;
$custom-dark: #000000;

JSON

{
  "hex": "#3974be",
  "rgb": {
    "r": 57,
    "g": 116,
    "b": 190
  },
  "hsl": {
    "h": 213.383,
    "s": 53.846,
    "l": 48.431
  },
  "oklch": {
    "l": 0.55601,
    "c": 0.13091,
    "h": 255.3
  },
  "luminance": 0.17078
}

Semantic roles & 50–950 ramp

primary

#3974BE

secondary

#CAAD89

accent

#9C4BDD

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3974BE

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

Preview Lab → · Contrast checker → · Palette generator →