#3171AF#3171AF

#3171AF is a mid, moderate cyan. Relative luminance 0.156; OKLCH L 53.7% C 0.117 H 250.3°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#3171AF
RGB	rgb(49, 113, 175)
HSL	hsl(210, 56%, 44%)
HSV	hsv(210, 72%, 69%)
CMYK	cmyk(72%, 35.4%, 0%, 31.4%)
CIE-LAB	lab(46.39, 0.73, -38.90)
CIE-LCH	lch(46.39, 38.91, 271.07°)
OKLab	oklab(53.72% -0.0395 -0.1105)
OKLCH	oklch(53.72% 0.117 250.3)
XYZ	xyz(14.9067, 15.5567, 42.7663)
Luminance	0.1556 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3171AF #AF6F31

analogous

#31AFAE #3171AF #3132AF

triadic

#3171AF #AF3171 #71AF31

tetradic

#3171AF #AE31AF #AF6F31 #32AF31

square

#3171AF #AE31AF #AF6F31 #32AF31

split-complementary

#3171AF #AF3132 #AFAE31

monochromatic

#16334F #24527F #3171AF #4F90CE #7FAEDB

Accessibility & contrast

On white

5.11

#3171AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#3171AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3171AF

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3171AF	#FFFFFF	#000000	##FFFFFF
##3171AF	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)

#5574B2

Deuteranopia (green-blind)

#4369AE

Tritanopia (blue-blind)

#008088

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3171af;
/* rgb */ color: rgb(49, 113, 175);
/* oklch */ color: oklch(53.7% 0.117 250.3);

Tailwind

colors: {
  custom: {
    50: '#7999c7',
    500: '#3171af',
    950: '#000000',
  },
}

SCSS

$custom: #3171af;
$custom-light: #7999c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3171af",
  "rgb": {
    "r": 49,
    "g": 113,
    "b": 175
  },
  "hsl": {
    "h": 209.524,
    "s": 56.25,
    "l": 43.922
  },
  "oklch": {
    "l": 0.5372,
    "c": 0.11737,
    "h": 250.3
  },
  "luminance": 0.15558
}

Semantic roles & 50–950 ramp

primary

#3171AF

secondary

#C49D78

accent

#9348E0

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #3171AF

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

Preview Lab → · Contrast checker → · Palette generator →