#3974B5#3974B5

#3974B5 is a mid, moderate cyan. Relative luminance 0.167; OKLCH L 55.1% C 0.119 H 252.7°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#3974B5
RGB	rgb(57, 116, 181)
HSL	hsl(211, 52%, 47%)
HSV	hsv(211, 69%, 71%)
CMYK	cmyk(68.5%, 35.9%, 0%, 29%)
CIE-LAB	lab(47.87, 2.31, -40.02)
CIE-LCH	lch(47.87, 40.09, 273.30°)
OKLab	oklab(55.07% -0.0354 -0.1137)
OKLCH	oklch(55.07% 0.119 252.7)
XYZ	xyz(16.2701, 16.6951, 46.0721)
Luminance	0.1670 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3974B5 #B57A39

analogous

#39B2B5 #3974B5 #3C39B5

triadic

#3974B5 #B53974 #74B539

tetradic

#3974B5 #B539B2 #B57A39 #39B53C

square

#3974B5 #B539B2 #B57A39 #39B53C

split-complementary

#3974B5 #B53C39 #B2B539

monochromatic

#1C3858 #2A5686 #3974B5 #5F93CD #8DB2DB

Accessibility & contrast

On white

4.84

#3974B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#3974B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3974B5

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3974B5	#FFFFFF	#000000	##FFFFFF
##3974B5	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5778B8

Deuteranopia (green-blind)

#456CB4

Tritanopia (blue-blind)

#00838C

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3974b5;
/* rgb */ color: rgb(57, 116, 181);
/* oklch */ color: oklch(55.1% 0.119 252.7);

Tailwind

colors: {
  custom: {
    50: '#7d9bcb',
    500: '#3974b5',
    950: '#000000',
  },
}

SCSS

$custom: #3974b5;
$custom-light: #7d9bcb;
$custom-dark: #000000;

JSON

{
  "hex": "#3974b5",
  "rgb": {
    "r": 57,
    "g": 116,
    "b": 181
  },
  "hsl": {
    "h": 211.452,
    "s": 52.101,
    "l": 46.667
  },
  "oklch": {
    "l": 0.55066,
    "c": 0.11904,
    "h": 252.7
  },
  "luminance": 0.16697
}

Semantic roles & 50–950 ramp

primary

#3974B5

secondary

#C6A684

accent

#974CDC

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3974B5

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

Preview Lab → · Contrast checker → · Palette generator →