#3144AB#3144AB

#3144AB is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.7% C 0.166 H 270.1°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#3144AB
RGB	rgb(49, 68, 171)
HSL	hsl(231, 55%, 43%)
HSV	hsv(231, 71%, 67%)
CMYK	cmyk(71.3%, 60.2%, 0%, 32.9%)
CIE-LAB	lab(33.41, 28.33, -57.39)
CIE-LCH	lch(33.41, 64.01, 296.27°)
OKLab	oklab(43.69% 0.0002 -0.1656)
OKLCH	oklch(43.69% 0.166 270.1)
XYZ	xyz(10.6819, 7.7264, 39.4486)
Luminance	0.0773 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3144AB #AB9831

analogous

#3181AB #3144AB #5B31AB

triadic

#3144AB #AB3144 #44AB31

tetradic

#3144AB #AB3181 #AB9831 #31AB5B

square

#3144AB #AB3181 #AB9831 #31AB5B

split-complementary

#3144AB #AB5B31 #81AB31

monochromatic

#161E4C #23317B #3144AB #4D61CC #7D8BDA

Accessibility & contrast

On white

8.25

#3144AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#3144AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3144AB

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3144AB	#FFFFFF	#000000	##FFFFFF
##3144AB	1.00	8.25	2.55	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AE

Deuteranopia (green-blind)

#0049A9

Tritanopia (blue-blind)

#005E71

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3144ab;
/* rgb */ color: rgb(49, 68, 171);
/* oklch */ color: oklch(43.7% 0.166 270.1);

Tailwind

colors: {
  custom: {
    50: '#7a77c5',
    500: '#3144ab',
    950: '#000000',
  },
}

SCSS

$custom: #3144ab;
$custom-light: #7a77c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3144ab",
  "rgb": {
    "r": 49,
    "g": 68,
    "b": 171
  },
  "hsl": {
    "h": 230.656,
    "s": 55.455,
    "l": 43.137
  },
  "oklch": {
    "l": 0.43692,
    "c": 0.16557,
    "h": 270.1
  },
  "luminance": 0.07727
}

Semantic roles & 50–950 ramp

primary

#3144AB

secondary

#C2B675

accent

#C749DF

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #3144AB

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

Preview Lab → · Contrast checker → · Palette generator →