#3157C4#3157C4

#3157C4 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.5% C 0.176 H 265.7°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#3157C4
RGB	rgb(49, 87, 196)
HSL	hsl(224, 60%, 48%)
HSV	hsv(224, 75%, 77%)
CMYK	cmyk(75%, 55.6%, 0%, 23.1%)
CIE-LAB	lab(40.33, 25.17, -60.84)
CIE-LCH	lch(40.33, 65.85, 292.48°)
OKLab	oklab(49.48% -0.0133 -0.1754)
OKLCH	oklch(49.48% 0.176 265.7)
XYZ	xyz(14.6351, 11.4533, 53.6532)
Luminance	0.1145 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3157C4 #C49E31

analogous

#31A0C4 #3157C4 #5531C4

triadic

#3157C4 #C43157 #57C431

tetradic

#3157C4 #C431A0 #C49E31 #31C455

square

#3157C4 #C431A0 #C49E31 #31C455

split-complementary

#3157C4 #C45531 #A0C431

monochromatic

#192C62 #254193 #3157C4 #5C7CD6 #8DA3E2

Accessibility & contrast

On white

6.38

#3157C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#3157C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3157C4

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3157C4	#FFFFFF	#000000	##FFFFFF
##3157C4	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066C8

Deuteranopia (green-blind)

#0059C2

Tritanopia (blue-blind)

#007285

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3157c4;
/* rgb */ color: rgb(49, 87, 196);
/* oklch */ color: oklch(49.5% 0.176 265.7);

Tailwind

colors: {
  custom: {
    50: '#7e85d7',
    500: '#3157c4',
    950: '#000000',
  },
}

SCSS

$custom: #3157c4;
$custom-light: #7e85d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3157c4",
  "rgb": {
    "r": 49,
    "g": 87,
    "b": 196
  },
  "hsl": {
    "h": 224.49,
    "s": 60,
    "l": 48.039
  },
  "oklch": {
    "l": 0.49484,
    "c": 0.17594,
    "h": 265.7
  },
  "luminance": 0.11455
}

Semantic roles & 50–950 ramp

primary

#3157C4

secondary

#CDBA84

accent

#BA45E3

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #3157C4

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

Preview Lab → · Contrast checker → · Palette generator →