#3143BC#3143BC

#3143BC is a mid, vivid blue. Relative luminance 0.083; OKLCH L 45.0% C 0.189 H 270.1°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#3143BC
RGB	rgb(49, 67, 188)
HSL	hsl(232, 59%, 46%)
HSV	hsv(232, 74%, 74%)
CMYK	cmyk(73.9%, 64.4%, 0%, 26.3%)
CIE-LAB	lab(34.59, 35.16, -65.53)
CIE-LCH	lch(34.59, 74.37, 298.21°)
OKLab	oklab(45.01% 0.0005 -0.1894)
OKLCH	oklch(45.01% 0.189 270.1)
XYZ	xyz(12.3478, 8.2968, 48.5179)
Luminance	0.0830 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.38

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3143BC #BCAA31

analogous

#3189BC #3143BC #6531BC

triadic

#3143BC #BC3143 #43BC31

tetradic

#3143BC #BC3189 #BCAA31 #31BC65

square

#3143BC #BC3189 #BCAA31 #31BC65

split-complementary

#3143BC #BC6531 #89BC31

monochromatic

#18205B #24328B #3143BC #5767D3 #8893E0

Accessibility & contrast

On white

7.90

#3143BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#3143BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3143BC

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3143BC	#FFFFFF	#000000	##FFFFFF
##3143BC	1.00	7.90	2.66	7.90
#FFFFFF	7.90	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C0

Deuteranopia (green-blind)

#004BBA

Tritanopia (blue-blind)

#006379

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3143bc;
/* rgb */ color: rgb(49, 67, 188);
/* oklch */ color: oklch(45.0% 0.189 270.1);

Tailwind

colors: {
  custom: {
    50: '#7e77d1',
    500: '#3143bc',
    950: '#000000',
  },
}

SCSS

$custom: #3143bc;
$custom-light: #7e77d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3143bc",
  "rgb": {
    "r": 49,
    "g": 67,
    "b": 188
  },
  "hsl": {
    "h": 232.23,
    "s": 58.65,
    "l": 46.471
  },
  "oklch": {
    "l": 0.45013,
    "c": 0.18944,
    "h": 270.1
  },
  "luminance": 0.08298
}

Semantic roles & 50–950 ramp

primary

#3143BC

secondary

#CAC07F

accent

#CE46E2

background

#F8F7FD

surface

#EFEDFA

border

#CAC8D3

text

#0B0814

muted

#7C7B83

Preview Lab

Preview with #3143BC

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

Preview Lab → · Contrast checker → · Palette generator →