#3157CA#3157CA

#3157CA is a mid, vivid blue. Relative luminance 0.117; OKLCH L 50.0% C 0.184 H 266.0°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#3157CA
RGB	rgb(49, 87, 202)
HSL	hsl(225, 61%, 49%)
HSV	hsv(225, 76%, 79%)
CMYK	cmyk(75.7%, 56.9%, 0%, 20.8%)
CIE-LAB	lab(40.79, 27.41, -63.58)
CIE-LCH	lch(40.79, 69.24, 293.32°)
OKLab	oklab(49.97% -0.0129 -0.1835)
OKLCH	oklch(49.97% 0.184 266)
XYZ	xyz(15.3317, 11.7319, 57.3221)
Luminance	0.1173 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3157CA #CAA431

analogous

#31A4CA #3157CA #5831CA

triadic

#3157CA #CA3157 #57CA31

tetradic

#3157CA #CA31A4 #CAA431 #31CA58

square

#3157CA #CA31A4 #CAA431 #31CA58

split-complementary

#3157CA #CA5831 #A4CA31

monochromatic

#192D67 #254299 #3157CA #607ED8 #91A6E4

Accessibility & contrast

On white

6.27

#3157CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#3157CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3157CA

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3157CA	#FFFFFF	#000000	##FFFFFF
##3157CA	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068CE

Deuteranopia (green-blind)

#0059C8

Tritanopia (blue-blind)

#007488

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3157ca;
/* rgb */ color: rgb(49, 87, 202);
/* oklch */ color: oklch(50.0% 0.184 266.0);

Tailwind

colors: {
  custom: {
    50: '#7f85db',
    500: '#3157ca',
    950: '#000000',
  },
}

SCSS

$custom: #3157ca;
$custom-light: #7f85db;
$custom-dark: #000000;

JSON

{
  "hex": "#3157ca",
  "rgb": {
    "r": 49,
    "g": 87,
    "b": 202
  },
  "hsl": {
    "h": 225.098,
    "s": 60.956,
    "l": 49.216
  },
  "oklch": {
    "l": 0.49967,
    "c": 0.18395,
    "h": 266
  },
  "luminance": 0.11734
}

Semantic roles & 50–950 ramp

primary

#3157CA

secondary

#CFBD88

accent

#BC44E4

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3157CA

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

Preview Lab → · Contrast checker → · Palette generator →