#3155C1#3155C1

#3155C1 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.8% C 0.174 H 266.1°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#3155C1
RGB	rgb(49, 85, 193)
HSL	hsl(225, 60%, 47%)
HSV	hsv(225, 75%, 76%)
CMYK	cmyk(74.6%, 56%, 0%, 24.3%)
CIE-LAB	lab(39.58, 25.36, -60.33)
CIE-LCH	lch(39.58, 65.44, 292.80°)
OKLab	oklab(48.85% -0.012 -0.1739)
OKLCH	oklch(48.85% 0.174 266.1)
XYZ	xyz(14.1374, 10.9987, 51.8196)
Luminance	0.1100 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3155C1 #C19D31

analogous

#319DC1 #3155C1 #5531C1

triadic

#3155C1 #C13155 #55C131

tetradic

#3155C1 #C1319D #C19D31 #31C155

square

#3155C1 #C1319D #C19D31 #31C155

split-complementary

#3155C1 #C15531 #9DC131

monochromatic

#182A5F #254090 #3155C1 #5A79D5 #8BA1E2

Accessibility & contrast

On white

6.56

#3155C1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#3155C1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3155C1

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3155C1	#FFFFFF	#000000	##FFFFFF
##3155C1	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C5

Deuteranopia (green-blind)

#0057BF

Tritanopia (blue-blind)

#007082

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3155c1;
/* rgb */ color: rgb(49, 85, 193);
/* oklch */ color: oklch(48.8% 0.174 266.1);

Tailwind

colors: {
  custom: {
    50: '#7d84d5',
    500: '#3155c1',
    950: '#000000',
  },
}

SCSS

$custom: #3155c1;
$custom-light: #7d84d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3155c1",
  "rgb": {
    "r": 49,
    "g": 85,
    "b": 193
  },
  "hsl": {
    "h": 225,
    "s": 59.504,
    "l": 47.451
  },
  "oklch": {
    "l": 0.48845,
    "c": 0.17436,
    "h": 266.1
  },
  "luminance": 0.11
}

Semantic roles & 50–950 ramp

primary

#3155C1

secondary

#CCB982

accent

#BB45E3

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #3155C1

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

Preview Lab → · Contrast checker → · Palette generator →