#3974B3#3974B3

#3974B3 is a mid, moderate cyan. Relative luminance 0.166; OKLCH L 55.0% C 0.116 H 252.0°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#3974B3
RGB	rgb(57, 116, 179)
HSL	hsl(211, 52%, 46%)
HSV	hsv(211, 68%, 70%)
CMYK	cmyk(68.2%, 35.2%, 0%, 29.8%)
CIE-LAB	lab(47.77, 1.59, -39.03)
CIE-LCH	lch(47.77, 39.06, 272.33°)
OKLab	oklab(54.95% -0.0359 -0.1107)
OKLCH	oklch(54.95% 0.116 252)
XYZ	xyz(16.0664, 16.6136, 44.9991)
Luminance	0.1661 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3974B3 #B37839

analogous

#39B1B3 #3974B3 #3B39B3

triadic

#3974B3 #B33974 #74B339

tetradic

#3974B3 #B339B1 #B37839 #39B33B

square

#3974B3 #B339B1 #B37839 #39B33B

split-complementary

#3974B3 #B33B39 #B1B339

monochromatic

#1B3856 #2A5685 #3974B3 #5E93CC #8CB2DA

Accessibility & contrast

On white

4.86

#3974B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#3974B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3974B3

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3974B3	#FFFFFF	#000000	##FFFFFF
##3974B3	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5878B6

Deuteranopia (green-blind)

#476CB2

Tritanopia (blue-blind)

#00838B

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3974b3;
/* rgb */ color: rgb(57, 116, 179);
/* oklch */ color: oklch(55.0% 0.116 252.0);

Tailwind

colors: {
  custom: {
    50: '#7d9bca',
    500: '#3974b3',
    950: '#000000',
  },
}

SCSS

$custom: #3974b3;
$custom-light: #7d9bca;
$custom-dark: #000000;

JSON

{
  "hex": "#3974b3",
  "rgb": {
    "r": 57,
    "g": 116,
    "b": 179
  },
  "hsl": {
    "h": 210.984,
    "s": 51.695,
    "l": 46.275
  },
  "oklch": {
    "l": 0.54951,
    "c": 0.11643,
    "h": 252
  },
  "luminance": 0.16615
}

Semantic roles & 50–950 ramp

primary

#3974B3

secondary

#C5A583

accent

#964DDB

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3974B3

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

Preview Lab → · Contrast checker → · Palette generator →