#3142B4#3142B4

#3142B4 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.1% C 0.180 H 270.5°. Best body text is #FFFFFF at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#3142B4
RGB	rgb(49, 66, 180)
HSL	hsl(232, 57%, 45%)
HSV	hsv(232, 73%, 71%)
CMYK	cmyk(72.8%, 63.3%, 0%, 29.4%)
CIE-LAB	lab(33.65, 32.91, -62.34)
CIE-LCH	lch(33.65, 70.50, 297.83°)
OKLab	oklab(44.11% 0.0015 -0.1801)
OKLCH	oklch(44.11% 0.18 270.5)
XYZ	xyz(11.4502, 7.8435, 44.0817)
Luminance	0.0785 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3142B4 #B4A331

analogous

#3183B4 #3142B4 #6231B4

triadic

#3142B4 #B43142 #42B431

tetradic

#3142B4 #B43183 #B4A331 #31B462

square

#3142B4 #B43183 #B4A331 #31B462

split-complementary

#3142B4 #B46231 #83B431

monochromatic

#171F54 #243084 #3142B4 #5263D0 #828EDD

Accessibility & contrast

On white

8.17

#3142B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#3142B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3142B4

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3142B4	#FFFFFF	#000000	##FFFFFF
##3142B4	1.00	8.17	2.57	8.17
#FFFFFF	8.17	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B8

Deuteranopia (green-blind)

#0049B2

Tritanopia (blue-blind)

#005F75

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3142b4;
/* rgb */ color: rgb(49, 66, 180);
/* oklch */ color: oklch(44.1% 0.180 270.5);

Tailwind

colors: {
  custom: {
    50: '#7c76cb',
    500: '#3142b4',
    950: '#000000',
  },
}

SCSS

$custom: #3142b4;
$custom-light: #7c76cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3142b4",
  "rgb": {
    "r": 49,
    "g": 66,
    "b": 180
  },
  "hsl": {
    "h": 232.214,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.44109,
    "c": 0.18012,
    "h": 270.5
  },
  "luminance": 0.07845
}

Semantic roles & 50–950 ramp

primary

#3142B4

secondary

#C6BC7B

accent

#CD47E0

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3142B4

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

Preview Lab → · Contrast checker → · Palette generator →