#3157C1#3157C1

#3157C1 is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.2% C 0.172 H 265.5°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#3157C1
RGB	rgb(49, 87, 193)
HSL	hsl(224, 60%, 47%)
HSV	hsv(224, 75%, 76%)
CMYK	cmyk(74.6%, 54.9%, 0%, 24.3%)
CIE-LAB	lab(40.11, 24.06, -59.46)
CIE-LCH	lch(40.11, 64.14, 292.03°)
OKLab	oklab(49.25% -0.0135 -0.1714)
OKLCH	oklch(49.25% 0.172 265.5)
XYZ	xyz(14.2971, 11.3180, 51.8728)
Luminance	0.1132 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3157C1 #C19B31

analogous

#319FC1 #3157C1 #5331C1

triadic

#3157C1 #C13157 #57C131

tetradic

#3157C1 #C1319F #C19B31 #31C153

square

#3157C1 #C1319F #C19B31 #31C153

split-complementary

#3157C1 #C15331 #9FC131

monochromatic

#182B5F #254190 #3157C1 #5A7BD5 #8BA2E2

Accessibility & contrast

On white

6.43

#3157C1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#3157C1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3157C1

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3157C1	#FFFFFF	#000000	##FFFFFF
##3157C1	1.00	6.43	3.26	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065C5

Deuteranopia (green-blind)

#0058BF

Tritanopia (blue-blind)

#007183

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3157c1;
/* rgb */ color: rgb(49, 87, 193);
/* oklch */ color: oklch(49.2% 0.172 265.5);

Tailwind

colors: {
  custom: {
    50: '#7d85d4',
    500: '#3157c1',
    950: '#000000',
  },
}

SCSS

$custom: #3157c1;
$custom-light: #7d85d4;
$custom-dark: #000000;

JSON

{
  "hex": "#3157c1",
  "rgb": {
    "r": 49,
    "g": 87,
    "b": 193
  },
  "hsl": {
    "h": 224.167,
    "s": 59.504,
    "l": 47.451
  },
  "oklch": {
    "l": 0.49246,
    "c": 0.1719,
    "h": 265.5
  },
  "luminance": 0.1132
}

Semantic roles & 50–950 ramp

primary

#3157C1

secondary

#CCB882

accent

#B945E3

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #3157C1

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

Preview Lab → · Contrast checker → · Palette generator →