#3972BA#3972BA

#3972BA is a mid, vivid cyan. Relative luminance 0.165; OKLCH L 54.9% C 0.128 H 255.4°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#3972BA
RGB	rgb(57, 114, 186)
HSL	hsl(213, 53%, 48%)
HSV	hsv(213, 69%, 73%)
CMYK	cmyk(69.4%, 38.7%, 0%, 27.1%)
CIE-LAB	lab(47.56, 5.33, -43.42)
CIE-LCH	lch(47.56, 43.75, 277.00°)
OKLab	oklab(54.91% -0.0321 -0.1236)
OKLCH	oklch(54.91% 0.128 255.4)
XYZ	xyz(16.5643, 16.4479, 48.7467)
Luminance	0.1645 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3972BA #BA8139

analogous

#39B3BA #3972BA #4039BA

triadic

#3972BA #BA3972 #72BA39

tetradic

#3972BA #BA39B3 #BA8139 #39BA40

square

#3972BA #BA39B3 #BA8139 #39BA40

split-complementary

#3972BA #BA4039 #B3BA39

monochromatic

#1C395C #2B558B #3972BA #6192CF #90B2DD

Accessibility & contrast

On white

4.90

#3972BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#3972BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3972BA

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3972BA	#FFFFFF	#000000	##FFFFFF
##3972BA	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5177BD

Deuteranopia (green-blind)

#3E6BB9

Tritanopia (blue-blind)

#00838D

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3972ba;
/* rgb */ color: rgb(57, 114, 186);
/* oklch */ color: oklch(54.9% 0.128 255.4);

Tailwind

colors: {
  custom: {
    50: '#7e9acf',
    500: '#3972ba',
    950: '#000000',
  },
}

SCSS

$custom: #3972ba;
$custom-light: #7e9acf;
$custom-dark: #000000;

JSON

{
  "hex": "#3972ba",
  "rgb": {
    "r": 57,
    "g": 114,
    "b": 186
  },
  "hsl": {
    "h": 213.488,
    "s": 53.086,
    "l": 47.647
  },
  "oklch": {
    "l": 0.54906,
    "c": 0.12774,
    "h": 255.4
  },
  "luminance": 0.1645
}

Semantic roles & 50–950 ramp

primary

#3972BA

secondary

#C8AB87

accent

#9C4BDC

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3972BA

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

Preview Lab → · Contrast checker → · Palette generator →