#3142B3#3142B3

#3142B3 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.0% C 0.179 H 270.5°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#3142B3
RGB	rgb(49, 66, 179)
HSL	hsl(232, 57%, 45%)
HSV	hsv(232, 73%, 70%)
CMYK	cmyk(72.6%, 63.1%, 0%, 29.8%)
CIE-LAB	lab(33.57, 32.55, -61.89)
CIE-LCH	lch(33.57, 69.93, 297.74°)
OKLab	oklab(44.02% 0.0015 -0.1788)
OKLCH	oklch(44.02% 0.179 270.5)
XYZ	xyz(11.3487, 7.8029, 43.5471)
Luminance	0.0780 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3142B3 #B3A231

analogous

#3183B3 #3142B3 #6131B3

triadic

#3142B3 #B33142 #42B331

tetradic

#3142B3 #B33183 #B3A231 #31B361

square

#3142B3 #B33183 #B3A231 #31B361

split-complementary

#3142B3 #B36131 #83B331

monochromatic

#171F53 #243083 #3142B3 #5262D0 #828EDD

Accessibility & contrast

On white

8.20

#3142B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#3142B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3142B3

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3142B3	#FFFFFF	#000000	##FFFFFF
##3142B3	1.00	8.20	2.56	8.20
#FFFFFF	8.20	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B7

Deuteranopia (green-blind)

#0049B1

Tritanopia (blue-blind)

#005F74

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3142b3;
/* rgb */ color: rgb(49, 66, 179);
/* oklch */ color: oklch(44.0% 0.179 270.5);

Tailwind

colors: {
  custom: {
    50: '#7c76cb',
    500: '#3142b3',
    950: '#000000',
  },
}

SCSS

$custom: #3142b3;
$custom-light: #7c76cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3142b3",
  "rgb": {
    "r": 49,
    "g": 66,
    "b": 179
  },
  "hsl": {
    "h": 232.154,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.44019,
    "c": 0.17879,
    "h": 270.5
  },
  "luminance": 0.07804
}

Semantic roles & 50–950 ramp

primary

#3142B3

secondary

#C6BC7A

accent

#CC48E0

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3142B3

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

Preview Lab → · Contrast checker → · Palette generator →