#3171CA#3171CA

#3171CA is a mid, vivid cyan. Relative luminance 0.167; OKLCH L 55.4% C 0.153 H 257.4°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#3171CA
RGB	rgb(49, 113, 202)
HSL	hsl(215, 61%, 49%)
HSV	hsv(215, 76%, 79%)
CMYK	cmyk(75.7%, 44.1%, 0%, 20.8%)
CIE-LAB	lab(47.91, 10.73, -52.08)
CIE-LCH	lch(47.91, 53.17, 281.65°)
OKLab	oklab(55.4% -0.0332 -0.1492)
OKLCH	oklch(55.4% 0.153 257.4)
XYZ	xyz(17.8285, 16.7254, 58.1544)
Luminance	0.1673 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3171CA #CA8A31

analogous

#31BECA #3171CA #3E31CA

triadic

#3171CA #CA3171 #71CA31

tetradic

#3171CA #CA31BE #CA8A31 #31CA3E

square

#3171CA #CA31BE #CA8A31 #31CA3E

split-complementary

#3171CA #CA3E31 #BECA31

monochromatic

#193A67 #255599 #3171CA #6092D8 #91B4E4

Accessibility & contrast

On white

4.83

#3171CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#3171CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3171CA

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3171CA	#FFFFFF	#000000	##FFFFFF
##3171CA	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4479CD

Deuteranopia (green-blind)

#256BC8

Tritanopia (blue-blind)

#008693

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3171ca;
/* rgb */ color: rgb(49, 113, 202);
/* oklch */ color: oklch(55.4% 0.153 257.4);

Tailwind

colors: {
  custom: {
    50: '#7e99db',
    500: '#3171ca',
    950: '#000000',
  },
}

SCSS

$custom: #3171ca;
$custom-light: #7e99db;
$custom-dark: #000000;

JSON

{
  "hex": "#3171ca",
  "rgb": {
    "r": 49,
    "g": 113,
    "b": 202
  },
  "hsl": {
    "h": 214.902,
    "s": 60.956,
    "l": 49.216
  },
  "oklch": {
    "l": 0.55403,
    "c": 0.15284,
    "h": 257.4
  },
  "luminance": 0.16727
}

Semantic roles & 50–950 ramp

primary

#3171CA

secondary

#CFB188

accent

#A144E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0B0D15

muted

#7C7E83

Preview Lab

Preview with #3171CA

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

Preview Lab → · Contrast checker → · Palette generator →