#3971AE#3971AE

#3971AE is a mid, moderate cyan. Relative luminance 0.157; OKLCH L 54.0% C 0.113 H 252.4°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#3971AE
RGB	rgb(57, 113, 174)
HSL	hsl(211, 51%, 45%)
HSV	hsv(211, 67%, 68%)
CMYK	cmyk(67.2%, 35.1%, 0%, 31.8%)
CIE-LAB	lab(46.62, 1.64, -37.93)
CIE-LCH	lch(46.62, 37.96, 272.48°)
OKLab	oklab(53.97% -0.0342 -0.1076)
OKLCH	oklch(53.97% 0.113 252.4)
XYZ	xyz(15.2296, 15.7346, 42.2706)
Luminance	0.1574 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3971AE #AE7639

analogous

#39ABAE #3971AE #3C39AE

triadic

#3971AE #AE3971 #71AE39

tetradic

#3971AE #AE39AB #AE7639 #39AE3C

square

#3971AE #AE39AB #AE7639 #39AE3C

split-complementary

#3971AE #AE3C39 #ABAE39

monochromatic

#1B3552 #2A5380 #3971AE #5B90C9 #89AFD8

Accessibility & contrast

On white

5.06

#3971AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#3971AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3971AE

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3971AE	#FFFFFF	#000000	##FFFFFF
##3971AE	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5675B1

Deuteranopia (green-blind)

#4669AD

Tritanopia (blue-blind)

#007F87

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3971ae;
/* rgb */ color: rgb(57, 113, 174);
/* oklch */ color: oklch(54.0% 0.113 252.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#3971ae",
  "rgb": {
    "r": 57,
    "g": 113,
    "b": 174
  },
  "hsl": {
    "h": 211.282,
    "s": 50.649,
    "l": 45.294
  },
  "oklch": {
    "l": 0.5397,
    "c": 0.11289,
    "h": 252.4
  },
  "luminance": 0.15736
}

Semantic roles & 50–950 ramp

primary

#3971AE

secondary

#C3A380

accent

#974EDA

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #3971AE

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

Preview Lab → · Contrast checker → · Palette generator →