#3171A3#3171A3

#3171A3 is a mid, moderate cyan. Relative luminance 0.151; OKLCH L 53.0% C 0.102 H 245.1°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#3171A3
RGB	rgb(49, 113, 163)
HSL	hsl(206, 54%, 42%)
HSV	hsv(206, 70%, 64%)
CMYK	cmyk(69.9%, 30.7%, 0%, 36.1%)
CIE-LAB	lab(45.78, -3.62, -32.84)
CIE-LCH	lch(45.78, 33.04, 263.71°)
OKLab	oklab(53.04% -0.043 -0.0928)
OKLCH	oklch(53.04% 0.102 245.1)
XYZ	xyz(13.7801, 15.1061, 36.8328)
Luminance	0.1511 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3171A3 #A36331

analogous

#31A39C #3171A3 #3138A3

triadic

#3171A3 #A33171 #71A331

tetradic

#3171A3 #9C31A3 #A36331 #38A331

square

#3171A3 #9C31A3 #A36331 #38A331

split-complementary

#3171A3 #A33138 #A39C31

monochromatic

#153045 #235074 #3171A3 #4990C8 #78ADD6

Accessibility & contrast

On white

5.22

#3171A3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#3171A3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3171A3

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3171A3	#FFFFFF	#000000	##FFFFFF
##3171A3	1.00	5.22	4.02	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B72A5

Deuteranopia (green-blind)

#4B67A2

Tritanopia (blue-blind)

#007D83

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3171a3;
/* rgb */ color: rgb(49, 113, 163);
/* oklch */ color: oklch(53.0% 0.102 245.1);

Tailwind

colors: {
  custom: {
    50: '#7799be',
    500: '#3171a3',
    950: '#000000',
  },
}

SCSS

$custom: #3171a3;
$custom-light: #7799be;
$custom-dark: #000000;

JSON

{
  "hex": "#3171a3",
  "rgb": {
    "r": 49,
    "g": 113,
    "b": 163
  },
  "hsl": {
    "h": 206.316,
    "s": 53.774,
    "l": 41.569
  },
  "oklch": {
    "l": 0.53042,
    "c": 0.10233,
    "h": 245.1
  },
  "luminance": 0.15108
}

Semantic roles & 50–950 ramp

primary

#3171A3

secondary

#BF9371

accent

#8B4BDD

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #3171A3

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

Preview Lab → · Contrast checker → · Palette generator →