#3155C5#3155C5

#3155C5 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.2% C 0.180 H 266.2°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#3155C5
RGB	rgb(49, 85, 197)
HSL	hsl(225, 60%, 48%)
HSV	hsv(225, 75%, 77%)
CMYK	cmyk(75.1%, 56.9%, 0%, 22.7%)
CIE-LAB	lab(39.88, 26.85, -62.16)
CIE-LCH	lch(39.88, 67.71, 293.36°)
OKLab	oklab(49.17% -0.0118 -0.1793)
OKLCH	oklch(49.17% 0.18 266.2)
XYZ	xyz(14.5896, 11.1796, 54.2015)
Luminance	0.1118 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3155C5 #C5A131

analogous

#319FC5 #3155C5 #5731C5

triadic

#3155C5 #C53155 #55C531

tetradic

#3155C5 #C5319F #C5A131 #31C557

square

#3155C5 #C5319F #C5A131 #31C557

split-complementary

#3155C5 #C55731 #9FC531

monochromatic

#192B63 #254094 #3155C5 #5D7AD7 #8EA2E3

Accessibility & contrast

On white

6.49

#3155C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#3155C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3155C5

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3155C5	#FFFFFF	#000000	##FFFFFF
##3155C5	1.00	6.49	3.24	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065C9

Deuteranopia (green-blind)

#0057C3

Tritanopia (blue-blind)

#007184

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3155c5;
/* rgb */ color: rgb(49, 85, 197);
/* oklch */ color: oklch(49.2% 0.180 266.2);

Tailwind

colors: {
  custom: {
    50: '#7e84d7',
    500: '#3155c5',
    950: '#000000',
  },
}

SCSS

$custom: #3155c5;
$custom-light: #7e84d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3155c5",
  "rgb": {
    "r": 49,
    "g": 85,
    "b": 197
  },
  "hsl": {
    "h": 225.405,
    "s": 60.163,
    "l": 48.235
  },
  "oklch": {
    "l": 0.49168,
    "c": 0.17973,
    "h": 266.2
  },
  "luminance": 0.11181
}

Semantic roles & 50–950 ramp

primary

#3155C5

secondary

#CDBC85

accent

#BD44E3

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #3155C5

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

Preview Lab → · Contrast checker → · Palette generator →