#3142A8#3142A8

#3142A8 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.1% C 0.164 H 270.6°. Best body text is #FFFFFF at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#3142A8
RGB	rgb(49, 66, 168)
HSL	hsl(231, 55%, 43%)
HSV	hsv(231, 71%, 66%)
CMYK	cmyk(70.8%, 60.7%, 0%, 34.1%)
CIE-LAB	lab(32.65, 28.54, -56.84)
CIE-LCH	lch(32.65, 63.60, 296.66°)
OKLab	oklab(43.05% 0.0018 -0.164)
OKLCH	oklch(43.05% 0.164 270.6)
XYZ	xyz(10.2803, 7.3755, 37.9200)
Luminance	0.0738 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3142A8 #A89731

analogous

#317DA8 #3142A8 #5C31A8

triadic

#3142A8 #A83142 #42A831

tetradic

#3142A8 #A8317D #A89731 #31A85C

square

#3142A8 #A8317D #A89731 #31A85C

split-complementary

#3142A8 #A85C31 #7DA831

monochromatic

#151D49 #232F79 #3142A8 #4C5ECB #7B88D8

Accessibility & contrast

On white

8.48

#3142A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#3142A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3142A8

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3142A8	#FFFFFF	#000000	##FFFFFF
##3142A8	1.00	8.48	2.48	8.48
#FFFFFF	8.48	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052AB

Deuteranopia (green-blind)

#0047A6

Tritanopia (blue-blind)

#005C6E

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3142a8;
/* rgb */ color: rgb(49, 66, 168);
/* oklch */ color: oklch(43.1% 0.164 270.6);

Tailwind

colors: {
  custom: {
    50: '#7976c3',
    500: '#3142a8',
    950: '#000000',
  },
}

SCSS

$custom: #3142a8;
$custom-light: #7976c3;
$custom-dark: #000000;

JSON

{
  "hex": "#3142a8",
  "rgb": {
    "r": 49,
    "g": 66,
    "b": 168
  },
  "hsl": {
    "h": 231.429,
    "s": 54.839,
    "l": 42.549
  },
  "oklch": {
    "l": 0.43051,
    "c": 0.16397,
    "h": 270.6
  },
  "luminance": 0.07377
}

Semantic roles & 50–950 ramp

primary

#3142A8

secondary

#C1B674

accent

#C94ADE

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #3142A8

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

Preview Lab → · Contrast checker → · Palette generator →