#3171A5#3171A5

#3171A5 is a mid, moderate cyan. Relative luminance 0.152; OKLCH L 53.2% C 0.105 H 246.1°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#3171A5
RGB	rgb(49, 113, 165)
HSL	hsl(207, 54%, 42%)
HSV	hsv(207, 70%, 65%)
CMYK	cmyk(70.3%, 31.5%, 0%, 35.3%)
CIE-LAB	lab(45.88, -2.90, -33.86)
CIE-LCH	lch(45.88, 33.98, 265.10°)
OKLab	oklab(53.15% -0.0424 -0.0958)
OKLCH	oklch(53.15% 0.105 246.1)
XYZ	xyz(13.9607, 15.1783, 37.7840)
Luminance	0.1518 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3171A5 #A56531

analogous

#31A59F #3171A5 #3137A5

triadic

#3171A5 #A53171 #71A531

tetradic

#3171A5 #9F31A5 #A56531 #37A531

square

#3171A5 #9F31A5 #A56531 #37A531

split-complementary

#3171A5 #A53137 #A59F31

monochromatic

#153047 #235176 #3171A5 #4A90C9 #79ADD7

Accessibility & contrast

On white

5.20

#3171A5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#3171A5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3171A5

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3171A5	#FFFFFF	#000000	##FFFFFF
##3171A5	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A73A7

Deuteranopia (green-blind)

#4A68A4

Tritanopia (blue-blind)

#007D83

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3171a5;
/* rgb */ color: rgb(49, 113, 165);
/* oklch */ color: oklch(53.2% 0.105 246.1);

Tailwind

colors: {
  custom: {
    50: '#7799c0',
    500: '#3171a5',
    950: '#000000',
  },
}

SCSS

$custom: #3171a5;
$custom-light: #7799c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3171a5",
  "rgb": {
    "r": 49,
    "g": 113,
    "b": 165
  },
  "hsl": {
    "h": 206.897,
    "s": 54.206,
    "l": 41.961
  },
  "oklch": {
    "l": 0.53152,
    "c": 0.10477,
    "h": 246.1
  },
  "luminance": 0.1518
}

Semantic roles & 50–950 ramp

primary

#3171A5

secondary

#C09572

accent

#8C4ADE

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #3171A5

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

Preview Lab → · Contrast checker → · Palette generator →