#3142A5#3142A5

#3142A5 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.8% C 0.160 H 270.6°. Best body text is #FFFFFF at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#3142A5
RGB	rgb(49, 66, 165)
HSL	hsl(231, 54%, 42%)
HSV	hsv(231, 70%, 65%)
CMYK	cmyk(70.3%, 60%, 0%, 35.3%)
CIE-LAB	lab(32.40, 27.44, -55.44)
CIE-LCH	lch(32.40, 61.86, 296.34°)
OKLab	oklab(42.79% 0.0018 -0.1598)
OKLCH	oklch(42.79% 0.16 270.6)
XYZ	xyz(10.0041, 7.2650, 36.4651)
Luminance	0.0727 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3142A5 #A59431

analogous

#317CA5 #3142A5 #5A31A5

triadic

#3142A5 #A53142 #42A531

tetradic

#3142A5 #A5317C #A59431 #31A55A

square

#3142A5 #A5317C #A59431 #31A55A

split-complementary

#3142A5 #A55A31 #7CA531

monochromatic

#151C47 #232F76 #3142A5 #4A5DC9 #7987D7

Accessibility & contrast

On white

8.56

#3142A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#3142A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3142A5

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3142A5	#FFFFFF	#000000	##FFFFFF
##3142A5	1.00	8.56	2.45	8.56
#FFFFFF	8.56	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A8

Deuteranopia (green-blind)

#0047A3

Tritanopia (blue-blind)

#005B6D

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3142a5;
/* rgb */ color: rgb(49, 66, 165);
/* oklch */ color: oklch(42.8% 0.160 270.6);

Tailwind

colors: {
  custom: {
    50: '#7876c0',
    500: '#3142a5',
    950: '#000000',
  },
}

SCSS

$custom: #3142a5;
$custom-light: #7876c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3142a5",
  "rgb": {
    "r": 49,
    "g": 66,
    "b": 165
  },
  "hsl": {
    "h": 231.207,
    "s": 54.206,
    "l": 41.961
  },
  "oklch": {
    "l": 0.42794,
    "c": 0.15985,
    "h": 270.6
  },
  "luminance": 0.07266
}

Semantic roles & 50–950 ramp

primary

#3142A5

secondary

#C0B472

accent

#C84ADE

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #3142A5

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

Preview Lab → · Contrast checker → · Palette generator →