#3173CA#3173CA

#3173CA is a mid, vivid cyan. Relative luminance 0.172; OKLCH L 55.8% C 0.151 H 256.6°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#3173CA
RGB	rgb(49, 115, 202)
HSL	hsl(214, 61%, 49%)
HSV	hsv(214, 76%, 79%)
CMYK	cmyk(75.7%, 43.1%, 0%, 20.8%)
CIE-LAB	lab(48.48, 9.48, -51.16)
CIE-LCH	lch(48.48, 52.03, 280.50°)
OKLab	oklab(55.84% -0.0349 -0.1465)
OKLCH	oklch(55.84% 0.151 256.6)
XYZ	xyz(18.0541, 17.1766, 58.2296)
Luminance	0.1718 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3173CA #CA8831

analogous

#31C0CA #3173CA #3C31CA

triadic

#3173CA #CA3173 #73CA31

tetradic

#3173CA #CA31C0 #CA8831 #31CA3C

square

#3173CA #CA31C0 #CA8831 #31CA3C

split-complementary

#3173CA #CA3C31 #C0CA31

monochromatic

#193B67 #255799 #3173CA #6094D8 #91B5E4

Accessibility & contrast

On white

4.73

#3173CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#3173CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3173CA

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3173CA	#FFFFFF	#000000	##FFFFFF
##3173CA	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#487BCD

Deuteranopia (green-blind)

#2B6DC8

Tritanopia (blue-blind)

#008894

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3173ca;
/* rgb */ color: rgb(49, 115, 202);
/* oklch */ color: oklch(55.8% 0.151 256.6);

Tailwind

colors: {
  custom: {
    50: '#7e9adb',
    500: '#3173ca',
    950: '#000000',
  },
}

SCSS

$custom: #3173ca;
$custom-light: #7e9adb;
$custom-dark: #000000;

JSON

{
  "hex": "#3173ca",
  "rgb": {
    "r": 49,
    "g": 115,
    "b": 202
  },
  "hsl": {
    "h": 214.118,
    "s": 60.956,
    "l": 49.216
  },
  "oklch": {
    "l": 0.55844,
    "c": 0.15057,
    "h": 256.6
  },
  "luminance": 0.17179
}

Semantic roles & 50–950 ramp

primary

#3173CA

secondary

#CFB088

accent

#9F44E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0B0E15

muted

#7C7E83

Preview Lab

Preview with #3173CA

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

Preview Lab → · Contrast checker → · Palette generator →