#3157D4#3157D4

#3157D4 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.8% C 0.197 H 266.3°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#3157D4
RGB	rgb(49, 87, 212)
HSL	hsl(226, 65%, 51%)
HSV	hsv(226, 77%, 83%)
CMYK	cmyk(76.9%, 59%, 0%, 16.9%)
CIE-LAB	lab(41.57, 31.10, -68.08)
CIE-LCH	lch(41.57, 74.84, 294.56°)
OKLab	oklab(50.79% -0.0126 -0.1967)
OKLCH	oklch(50.79% 0.197 266.3)
XYZ	xyz(16.5543, 12.2209, 63.7610)
Luminance	0.1222 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3157D4 #D4AE31

analogous

#31A8D4 #3157D4 #5C31D4

triadic

#3157D4 #D43157 #57D431

tetradic

#3157D4 #D431A8 #D4AE31 #31D45C

square

#3157D4 #D431A8 #D4AE31 #31D45C

split-complementary

#3157D4 #D45C31 #A8D431

monochromatic

#182D73 #2341A5 #3157D4 #6480DF #96AAE9

Accessibility & contrast

On white

6.10

#3157D4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#3157D4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3157D4

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3157D4	#FFFFFF	#000000	##FFFFFF
##3157D4	1.00	6.10	3.44	6.10
#FFFFFF	6.10	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD8

Deuteranopia (green-blind)

#005BD2

Tritanopia (blue-blind)

#00778D

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3157d4;
/* rgb */ color: rgb(49, 87, 212);
/* oklch */ color: oklch(50.8% 0.197 266.3);

Tailwind

colors: {
  custom: {
    50: '#8286e2',
    500: '#3157d4',
    950: '#000000',
  },
}

SCSS

$custom: #3157d4;
$custom-light: #8286e2;
$custom-dark: #000000;

JSON

{
  "hex": "#3157d4",
  "rgb": {
    "r": 49,
    "g": 87,
    "b": 212
  },
  "hsl": {
    "h": 226.012,
    "s": 65.462,
    "l": 51.176
  },
  "oklch": {
    "l": 0.50793,
    "c": 0.19708,
    "h": 266.3
  },
  "luminance": 0.12223
}

Semantic roles & 50–950 ramp

primary

#3157D4

secondary

#D4C48C

accent

#C13FE8

background

#F8F8FE

surface

#F0EFFC

border

#CBCAD5

text

#0C0B15

muted

#7D7C84

Preview Lab

Preview with #3157D4

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

Preview Lab → · Contrast checker → · Palette generator →