#3142B5#3142B5

#3142B5 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.2% C 0.181 H 270.5°. Best body text is #FFFFFF at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#3142B5
RGB	rgb(49, 66, 181)
HSL	hsl(232, 57%, 45%)
HSV	hsv(232, 73%, 71%)
CMYK	cmyk(72.9%, 63.5%, 0%, 29%)
CIE-LAB	lab(33.74, 33.27, -62.79)
CIE-LCH	lch(33.74, 71.07, 297.92°)
OKLab	oklab(44.2% 0.0015 -0.1814)
OKLCH	oklch(44.2% 0.181 270.5)
XYZ	xyz(11.5525, 7.8844, 44.6201)
Luminance	0.0789 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3142B5 #B5A431

analogous

#3184B5 #3142B5 #6231B5

triadic

#3142B5 #B53142 #42B531

tetradic

#3142B5 #B53184 #B5A431 #31B562

square

#3142B5 #B53184 #B5A431 #31B562

split-complementary

#3142B5 #B56231 #84B531

monochromatic

#171F55 #243085 #3142B5 #5363D0 #838FDD

Accessibility & contrast

On white

8.15

#3142B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#3142B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3142B5

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3142B5	#FFFFFF	#000000	##FFFFFF
##3142B5	1.00	8.15	2.58	8.15
#FFFFFF	8.15	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B9

Deuteranopia (green-blind)

#0049B3

Tritanopia (blue-blind)

#006075

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3142b5;
/* rgb */ color: rgb(49, 66, 181);
/* oklch */ color: oklch(44.2% 0.181 270.5);

Tailwind

colors: {
  custom: {
    50: '#7c76cc',
    500: '#3142b5',
    950: '#000000',
  },
}

SCSS

$custom: #3142b5;
$custom-light: #7c76cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3142b5",
  "rgb": {
    "r": 49,
    "g": 66,
    "b": 181
  },
  "hsl": {
    "h": 232.273,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.44199,
    "c": 0.18144,
    "h": 270.5
  },
  "luminance": 0.07886
}

Semantic roles & 50–950 ramp

primary

#3142B5

secondary

#C7BD7B

accent

#CD47E1

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3142B5

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

Preview Lab → · Contrast checker → · Palette generator →