#3971AD#3971AD

#3971AD is a mid, moderate cyan. Relative luminance 0.157; OKLCH L 53.9% C 0.112 H 252.0°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#3971AD
RGB	rgb(57, 113, 173)
HSL	hsl(211, 50%, 45%)
HSV	hsv(211, 67%, 68%)
CMYK	cmyk(67.1%, 34.7%, 0%, 32.2%)
CIE-LAB	lab(46.57, 1.28, -37.43)
CIE-LCH	lch(46.57, 37.45, 271.97°)
OKLab	oklab(53.91% -0.0345 -0.1061)
OKLCH	oklch(53.91% 0.112 252)
XYZ	xyz(15.1325, 15.6957, 41.7591)
Luminance	0.1570 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3971AD #AD7539

analogous

#39ABAD #3971AD #3B39AD

triadic

#3971AD #AD3971 #71AD39

tetradic

#3971AD #AD39AB #AD7539 #39AD3B

square

#3971AD #AD39AB #AD7539 #39AD3B

split-complementary

#3971AD #AD3B39 #ABAD39

monochromatic

#1B3551 #2A537F #3971AD #5A90C9 #88AFD8

Accessibility & contrast

On white

5.07

#3971AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#3971AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3971AD

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3971AD	#FFFFFF	#000000	##FFFFFF
##3971AD	1.00	5.07	4.14	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5774B0

Deuteranopia (green-blind)

#4669AC

Tritanopia (blue-blind)

#007F87

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3971ad;
/* rgb */ color: rgb(57, 113, 173);
/* oklch */ color: oklch(53.9% 0.112 252.0);

Tailwind

colors: {
  custom: {
    50: '#7c99c6',
    500: '#3971ad',
    950: '#000000',
  },
}

SCSS

$custom: #3971ad;
$custom-light: #7c99c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3971ad",
  "rgb": {
    "r": 57,
    "g": 113,
    "b": 173
  },
  "hsl": {
    "h": 211.034,
    "s": 50.435,
    "l": 45.098
  },
  "oklch": {
    "l": 0.53912,
    "c": 0.11157,
    "h": 252
  },
  "luminance": 0.15697
}

Semantic roles & 50–950 ramp

primary

#3971AD

secondary

#C2A280

accent

#964EDA

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #3971AD

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

Preview Lab → · Contrast checker → · Palette generator →