#3142BA#3142BA

#3142BA is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.7% C 0.188 H 270.4°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).

Color values

HEX	#3142BA
RGB	rgb(49, 66, 186)
HSL	hsl(233, 58%, 46%)
HSV	hsv(233, 74%, 73%)
CMYK	cmyk(73.7%, 64.5%, 0%, 27.1%)
CIE-LAB	lab(34.18, 35.07, -65.04)
CIE-LCH	lch(34.18, 73.89, 298.34°)
OKLab	oklab(44.65% 0.0012 -0.188)
OKLCH	oklch(44.65% 0.188 270.4)
XYZ	xyz(12.0747, 8.0933, 47.3707)
Luminance	0.0809 (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

#3142BA #BAA931

analogous

#3186BA #3142BA #6431BA

triadic

#3142BA #BA3142 #42BA31

tetradic

#3142BA #BA3186 #BAA931 #31BA64

square

#3142BA #BA3186 #BAA931 #31BA64

split-complementary

#3142BA #BA6431 #86BA31

monochromatic

#172059 #24318A #3142BA #5665D2 #8691DF

Accessibility & contrast

On white

8.02

#3142BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#3142BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3142BA

8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3142BA	#FFFFFF	#000000	##FFFFFF
##3142BA	1.00	8.02	2.62	8.02
#FFFFFF	8.02	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057BE

Deuteranopia (green-blind)

#004AB8

Tritanopia (blue-blind)

#006178

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3142ba;
/* rgb */ color: rgb(49, 66, 186);
/* oklch */ color: oklch(44.7% 0.188 270.4);

Tailwind

colors: {
  custom: {
    50: '#7d76d0',
    500: '#3142ba',
    950: '#000000',
  },
}

SCSS

$custom: #3142ba;
$custom-light: #7d76d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3142ba",
  "rgb": {
    "r": 49,
    "g": 66,
    "b": 186
  },
  "hsl": {
    "h": 232.555,
    "s": 58.298,
    "l": 46.078
  },
  "oklch": {
    "l": 0.44653,
    "c": 0.188,
    "h": 270.4
  },
  "luminance": 0.08095
}

Semantic roles & 50–950 ramp

primary

#3142BA

secondary

#C9C07E

accent

#CE46E2

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #3142BA

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

Preview Lab → · Contrast checker → · Palette generator →