#3143C8#3143C8

#3143C8 is a mid, highly saturated blue. Relative luminance 0.088; OKLCH L 46.1% C 0.205 H 269.9°. Best body text is #FFFFFF at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#3143C8
RGB	rgb(49, 67, 200)
HSL	hsl(233, 61%, 49%)
HSV	hsv(233, 76%, 78%)
CMYK	cmyk(75.5%, 66.5%, 0%, 21.6%)
CIE-LAB	lab(35.67, 39.43, -70.79)
CIE-LCH	lch(35.67, 81.03, 299.12°)
OKLab	oklab(46.13% -0.0003 -0.2048)
OKLCH	oklch(46.13% 0.205 269.9)
XYZ	xyz(13.6955, 8.8359, 55.6161)
Luminance	0.0884 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3143C8 #C8B631

analogous

#318FC8 #3143C8 #6B31C8

triadic

#3143C8 #C83143 #43C831

tetradic

#3143C8 #C8318F #C8B631 #31C86B

square

#3143C8 #C8318F #C8B631 #31C86B

split-complementary

#3143C8 #C86B31 #8FC831

monochromatic

#192266 #253397 #3143C8 #5F6DD8 #909AE4

Accessibility & contrast

On white

7.59

#3143C8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#3143C8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3143C8

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3143C8	#FFFFFF	#000000	##FFFFFF
##3143C8	1.00	7.59	2.77	7.59
#FFFFFF	7.59	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BCC

Deuteranopia (green-blind)

#004DC6

Tritanopia (blue-blind)

#006780

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3143c8;
/* rgb */ color: rgb(49, 67, 200);
/* oklch */ color: oklch(46.1% 0.205 269.9);

Tailwind

colors: {
  custom: {
    50: '#8077da',
    500: '#3143c8',
    950: '#000000',
  },
}

SCSS

$custom: #3143c8;
$custom-light: #8077da;
$custom-dark: #000000;

JSON

{
  "hex": "#3143c8",
  "rgb": {
    "r": 49,
    "g": 67,
    "b": 200
  },
  "hsl": {
    "h": 232.848,
    "s": 60.643,
    "l": 48.824
  },
  "oklch": {
    "l": 0.46126,
    "c": 0.20484,
    "h": 269.9
  },
  "luminance": 0.08837
}

Semantic roles & 50–950 ramp

primary

#3143C8

secondary

#CEC686

accent

#D144E4

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #3143C8

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

Preview Lab → · Contrast checker → · Palette generator →