#3972C2#3972C2

#3972C2 is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.4% C 0.138 H 257.3°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#3972C2
RGB	rgb(57, 114, 194)
HSL	hsl(215, 55%, 49%)
HSV	hsv(215, 71%, 76%)
CMYK	cmyk(70.6%, 41.2%, 0%, 23.9%)
CIE-LAB	lab(48.00, 8.24, -47.32)
CIE-LCH	lch(48.00, 48.03, 279.87°)
OKLab	oklab(55.4% -0.0303 -0.1351)
OKLCH	oklch(55.4% 0.138 257.3)
XYZ	xyz(17.4387, 16.7977, 53.3517)
Luminance	0.1680 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3972C2 #C28939

analogous

#39B7C2 #3972C2 #4439C2

triadic

#3972C2 #C23972 #72C239

tetradic

#3972C2 #C239B7 #C28939 #39C244

square

#3972C2 #C239B7 #C28939 #39C244

split-complementary

#3972C2 #C24439 #B7C239

monochromatic

#1D3A63 #2B5693 #3972C2 #6693D2 #95B4E0

Accessibility & contrast

On white

4.82

#3972C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#3972C2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3972C2

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3972C2	#FFFFFF	#000000	##FFFFFF
##3972C2	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C79C5

Deuteranopia (green-blind)

#366CC0

Tritanopia (blue-blind)

#008590

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3972c2;
/* rgb */ color: rgb(57, 114, 194);
/* oklch */ color: oklch(55.4% 0.138 257.3);

Tailwind

colors: {
  custom: {
    50: '#7f9ad5',
    500: '#3972c2',
    950: '#000000',
  },
}

SCSS

$custom: #3972c2;
$custom-light: #7f9ad5;
$custom-dark: #000000;

JSON

{
  "hex": "#3972c2",
  "rgb": {
    "r": 57,
    "g": 114,
    "b": 194
  },
  "hsl": {
    "h": 215.036,
    "s": 54.582,
    "l": 49.216
  },
  "oklch": {
    "l": 0.55399,
    "c": 0.13844,
    "h": 257.3
  },
  "luminance": 0.168
}

Semantic roles & 50–950 ramp

primary

#3972C2

secondary

#CBB18B

accent

#A04ADE

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #3972C2

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

Preview Lab → · Contrast checker → · Palette generator →