#3157C5#3157C5

#3157C5 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.6% C 0.177 H 265.7°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#3157C5
RGB	rgb(49, 87, 197)
HSL	hsl(225, 60%, 48%)
HSV	hsv(225, 75%, 77%)
CMYK	cmyk(75.1%, 55.8%, 0%, 22.7%)
CIE-LAB	lab(40.41, 25.55, -61.30)
CIE-LCH	lch(40.41, 66.41, 292.62°)
OKLab	oklab(49.56% -0.0132 -0.1768)
OKLCH	oklch(49.56% 0.177 265.7)
XYZ	xyz(14.7493, 11.4989, 54.2547)
Luminance	0.1150 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3157C5 #C59F31

analogous

#31A1C5 #3157C5 #5531C5

triadic

#3157C5 #C53157 #57C531

tetradic

#3157C5 #C531A1 #C59F31 #31C555

square

#3157C5 #C531A1 #C59F31 #31C555

split-complementary

#3157C5 #C55531 #A1C531

monochromatic

#192C63 #254194 #3157C5 #5D7CD7 #8EA3E3

Accessibility & contrast

On white

6.36

#3157C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#3157C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3157C5

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3157C5	#FFFFFF	#000000	##FFFFFF
##3157C5	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066C9

Deuteranopia (green-blind)

#0059C3

Tritanopia (blue-blind)

#007285

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3157c5;
/* rgb */ color: rgb(49, 87, 197);
/* oklch */ color: oklch(49.6% 0.177 265.7);

Tailwind

colors: {
  custom: {
    50: '#7e85d7',
    500: '#3157c5',
    950: '#000000',
  },
}

SCSS

$custom: #3157c5;
$custom-light: #7e85d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3157c5",
  "rgb": {
    "r": 49,
    "g": 87,
    "b": 197
  },
  "hsl": {
    "h": 224.595,
    "s": 60.163,
    "l": 48.235
  },
  "oklch": {
    "l": 0.49564,
    "c": 0.17728,
    "h": 265.7
  },
  "luminance": 0.11501
}

Semantic roles & 50–950 ramp

primary

#3157C5

secondary

#CDBB85

accent

#BB44E3

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #3157C5

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

Preview Lab → · Contrast checker → · Palette generator →