#3172CE#3172CE

#3172CE is a mid, vivid blue. Relative luminance 0.171; OKLCH L 55.9% C 0.157 H 257.7°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#3172CE
RGB	rgb(49, 114, 206)
HSL	hsl(215, 62%, 50%)
HSV	hsv(215, 76%, 81%)
CMYK	cmyk(76.2%, 44.7%, 0%, 19.2%)
CIE-LAB	lab(48.44, 11.60, -53.52)
CIE-LCH	lch(48.44, 54.76, 282.23°)
OKLab	oklab(55.89% -0.0333 -0.1534)
OKLCH	oklch(55.89% 0.157 257.7)
XYZ	xyz(18.4204, 17.1417, 60.7184)
Luminance	0.1714 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3172CE #CE8D31

analogous

#31C1CE #3172CE #3E31CE

triadic

#3172CE #CE3172 #72CE31

tetradic

#3172CE #CE31C1 #CE8D31 #31CE3E

square

#3172CE #CE31C1 #CE8D31 #31CE3E

split-complementary

#3172CE #CE3E31 #C1CE31

monochromatic

#193B6B #25579D #3172CE #6294DA #94B6E6

Accessibility & contrast

On white

4.74

#3172CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#3172CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3172CE

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3172CE	#FFFFFF	#000000	##FFFFFF
##3172CE	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#437BD2

Deuteranopia (green-blind)

#216CCC

Tritanopia (blue-blind)

#008896

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3172ce;
/* rgb */ color: rgb(49, 114, 206);
/* oklch */ color: oklch(55.9% 0.157 257.7);

Tailwind

colors: {
  custom: {
    50: '#7f99dd',
    500: '#3172ce',
    950: '#000000',
  },
}

SCSS

$custom: #3172ce;
$custom-light: #7f99dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3172ce",
  "rgb": {
    "r": 49,
    "g": 114,
    "b": 206
  },
  "hsl": {
    "h": 215.159,
    "s": 61.569,
    "l": 50
  },
  "oklch": {
    "l": 0.55888,
    "c": 0.15699,
    "h": 257.7
  },
  "luminance": 0.17144
}

Semantic roles & 50–950 ramp

primary

#3172CE

secondary

#D1B38A

accent

#A243E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3172CE

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

Preview Lab → · Contrast checker → · Palette generator →