#3155C4#3155C4

#3155C4 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 49.1% C 0.178 H 266.2°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#3155C4
RGB	rgb(49, 85, 196)
HSL	hsl(225, 60%, 48%)
HSV	hsv(225, 75%, 77%)
CMYK	cmyk(75%, 56.6%, 0%, 23.1%)
CIE-LAB	lab(39.81, 26.47, -61.70)
CIE-LCH	lch(39.81, 67.14, 293.22°)
OKLab	oklab(49.09% -0.0118 -0.178)
OKLCH	oklch(49.09% 0.178 266.2)
XYZ	xyz(14.4754, 11.1339, 53.6000)
Luminance	0.1114 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3155C4 #C4A031

analogous

#319EC4 #3155C4 #5631C4

triadic

#3155C4 #C43155 #55C431

tetradic

#3155C4 #C4319E #C4A031 #31C456

square

#3155C4 #C4319E #C4A031 #31C456

split-complementary

#3155C4 #C45631 #9EC431

monochromatic

#192B62 #254093 #3155C4 #5C7AD6 #8DA2E2

Accessibility & contrast

On white

6.51

#3155C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#3155C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3155C4

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3155C4	#FFFFFF	#000000	##FFFFFF
##3155C4	1.00	6.51	3.23	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065C8

Deuteranopia (green-blind)

#0057C2

Tritanopia (blue-blind)

#007184

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3155c4;
/* rgb */ color: rgb(49, 85, 196);
/* oklch */ color: oklch(49.1% 0.178 266.2);

Tailwind

colors: {
  custom: {
    50: '#7e84d7',
    500: '#3155c4',
    950: '#000000',
  },
}

SCSS

$custom: #3155c4;
$custom-light: #7e84d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3155c4",
  "rgb": {
    "r": 49,
    "g": 85,
    "b": 196
  },
  "hsl": {
    "h": 225.306,
    "s": 60,
    "l": 48.039
  },
  "oklch": {
    "l": 0.49087,
    "c": 0.17839,
    "h": 266.2
  },
  "luminance": 0.11135
}

Semantic roles & 50–950 ramp

primary

#3155C4

secondary

#CDBB84

accent

#BC45E3

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #3155C4

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

Preview Lab → · Contrast checker → · Palette generator →