#3971A9#3971A9

#3971A9 is a mid, moderate cyan. Relative luminance 0.155; OKLCH L 53.7% C 0.106 H 250.4°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#3971A9
RGB	rgb(57, 113, 169)
HSL	hsl(210, 50%, 44%)
HSV	hsv(210, 66%, 66%)
CMYK	cmyk(66.3%, 33.1%, 0%, 33.7%)
CIE-LAB	lab(46.37, -0.13, -35.41)
CIE-LCH	lch(46.37, 35.41, 269.78°)
OKLab	oklab(53.69% -0.0356 -0.1002)
OKLCH	oklch(53.69% 0.106 250.4)
XYZ	xyz(14.7513, 15.5432, 39.7512)
Luminance	0.1555 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3971A9 #A97139

analogous

#39A9A9 #3971A9 #3939A9

triadic

#3971A9 #A93971 #71A939

tetradic

#3971A9 #A939A9 #A97139 #39A939

square

#3971A9 #A939A9 #A97139 #39A939

split-complementary

#3971A9 #A93939 #A9A939

monochromatic

#1A344D #2A527B #3971A9 #5890C7 #86AED6

Accessibility & contrast

On white

5.11

#3971A9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#3971A9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3971A9

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3971A9	#FFFFFF	#000000	##FFFFFF
##3971A9	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5974AB

Deuteranopia (green-blind)

#4969A8

Tritanopia (blue-blind)

#007E85

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3971a9;
/* rgb */ color: rgb(57, 113, 169);
/* oklch */ color: oklch(53.7% 0.106 250.4);

Tailwind

colors: {
  custom: {
    50: '#7b99c3',
    500: '#3971a9',
    950: '#000000',
  },
}

SCSS

$custom: #3971a9;
$custom-light: #7b99c3;
$custom-dark: #000000;

JSON

{
  "hex": "#3971a9",
  "rgb": {
    "r": 57,
    "g": 113,
    "b": 169
  },
  "hsl": {
    "h": 210,
    "s": 49.558,
    "l": 44.314
  },
  "oklch": {
    "l": 0.53686,
    "c": 0.10636,
    "h": 250.4
  },
  "luminance": 0.15545
}

Semantic roles & 50–950 ramp

primary

#3971A9

secondary

#C09F7E

accent

#944FD9

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #3971A9

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

Preview Lab → · Contrast checker → · Palette generator →