#3974BD#3974BD

#3974BD is a mid, vivid cyan. Relative luminance 0.170; OKLCH L 55.5% C 0.130 H 255.1°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#3974BD
RGB	rgb(57, 116, 189)
HSL	hsl(213, 54%, 48%)
HSV	hsv(213, 70%, 74%)
CMYK	cmyk(69.8%, 38.6%, 0%, 25.9%)
CIE-LAB	lab(48.30, 5.18, -43.97)
CIE-LCH	lch(48.30, 44.27, 276.72°)
OKLab	oklab(55.54% -0.0334 -0.1252)
OKLCH	oklch(55.54% 0.13 255.1)
XYZ	xyz(17.1147, 17.0330, 50.5200)
Luminance	0.1704 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3974BD #BD8239

analogous

#39B6BD #3974BD #4039BD

triadic

#3974BD #BD3974 #74BD39

tetradic

#3974BD #BD39B6 #BD8239 #39BD40

square

#3974BD #BD39B6 #BD8239 #39BD40

split-complementary

#3974BD #BD4039 #B6BD39

monochromatic

#1D3A5F #2B578E #3974BD #6394D0 #92B4DE

Accessibility & contrast

On white

4.77

#3974BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#3974BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3974BD

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3974BD	#FFFFFF	#000000	##FFFFFF
##3974BD	1.00	4.77	4.41	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5379C0

Deuteranopia (green-blind)

#3F6DBC

Tritanopia (blue-blind)

#00858F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3974bd;
/* rgb */ color: rgb(57, 116, 189);
/* oklch */ color: oklch(55.5% 0.130 255.1);

Tailwind

colors: {
  custom: {
    50: '#7f9bd1',
    500: '#3974bd',
    950: '#000000',
  },
}

SCSS

$custom: #3974bd;
$custom-light: #7f9bd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3974bd",
  "rgb": {
    "r": 57,
    "g": 116,
    "b": 189
  },
  "hsl": {
    "h": 213.182,
    "s": 53.659,
    "l": 48.235
  },
  "oklch": {
    "l": 0.5554,
    "c": 0.12958,
    "h": 255.1
  },
  "luminance": 0.17035
}

Semantic roles & 50–950 ramp

primary

#3974BD

secondary

#C9AC89

accent

#9C4BDD

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3974BD

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

Preview Lab → · Contrast checker → · Palette generator →