#3974B2#3974B2

#3974B2 is a mid, moderate cyan. Relative luminance 0.166; OKLCH L 54.9% C 0.115 H 251.7°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#3974B2
RGB	rgb(57, 116, 178)
HSL	hsl(211, 51%, 46%)
HSV	hsv(211, 68%, 70%)
CMYK	cmyk(68%, 34.8%, 0%, 30.2%)
CIE-LAB	lab(47.72, 1.23, -38.53)
CIE-LCH	lch(47.72, 38.55, 271.83°)
OKLab	oklab(54.89% -0.0362 -0.1093)
OKLCH	oklch(54.89% 0.115 251.7)
XYZ	xyz(15.9656, 16.5733, 44.4684)
Luminance	0.1658 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3974B2 #B27739

analogous

#39B0B2 #3974B2 #3B39B2

triadic

#3974B2 #B23974 #74B239

tetradic

#3974B2 #B239B0 #B27739 #39B23B

square

#3974B2 #B239B0 #B27739 #39B23B

split-complementary

#3974B2 #B23B39 #B0B239

monochromatic

#1B3855 #2A5684 #3974B2 #5D93CB #8BB2DA

Accessibility & contrast

On white

4.87

#3974B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#3974B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3974B2

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3974B2	#FFFFFF	#000000	##FFFFFF
##3974B2	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5978B5

Deuteranopia (green-blind)

#476CB1

Tritanopia (blue-blind)

#00828B

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3974b2;
/* rgb */ color: rgb(57, 116, 178);
/* oklch */ color: oklch(54.9% 0.115 251.7);

Tailwind

colors: {
  custom: {
    50: '#7d9bc9',
    500: '#3974b2',
    950: '#000000',
  },
}

SCSS

$custom: #3974b2;
$custom-light: #7d9bc9;
$custom-dark: #000000;

JSON

{
  "hex": "#3974b2",
  "rgb": {
    "r": 57,
    "g": 116,
    "b": 178
  },
  "hsl": {
    "h": 210.744,
    "s": 51.489,
    "l": 46.078
  },
  "oklch": {
    "l": 0.54894,
    "c": 0.11512,
    "h": 251.7
  },
  "luminance": 0.16575
}

Semantic roles & 50–950 ramp

primary

#3974B2

secondary

#C4A482

accent

#964DDB

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3974B2

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

Preview Lab → · Contrast checker → · Palette generator →