#3144B3#3144B3

#3144B3 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.4% C 0.176 H 270.0°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#3144B3
RGB	rgb(49, 68, 179)
HSL	hsl(231, 57%, 45%)
HSV	hsv(231, 73%, 70%)
CMYK	cmyk(72.6%, 62%, 0%, 29.8%)
CIE-LAB	lab(34.07, 31.26, -61.08)
CIE-LCH	lch(34.07, 68.61, 297.10°)
OKLab	oklab(44.39% 0.0001 -0.1764)
OKLCH	oklch(44.39% 0.176 270)
XYZ	xyz(11.4676, 8.0407, 43.5867)
Luminance	0.0804 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3144B3 #B3A031

analogous

#3185B3 #3144B3 #5F31B3

triadic

#3144B3 #B33144 #44B331

tetradic

#3144B3 #B33185 #B3A031 #31B35F

square

#3144B3 #B33185 #B3A031 #31B35F

split-complementary

#3144B3 #B35F31 #85B331

monochromatic

#171F53 #243283 #3144B3 #5264D0 #828FDD

Accessibility & contrast

On white

8.05

#3144B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#3144B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3144B3

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3144B3	#FFFFFF	#000000	##FFFFFF
##3144B3	1.00	8.05	2.61	8.05
#FFFFFF	8.05	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B7

Deuteranopia (green-blind)

#004AB1

Tritanopia (blue-blind)

#006075

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3144b3;
/* rgb */ color: rgb(49, 68, 179);
/* oklch */ color: oklch(44.4% 0.176 270.0);

Tailwind

colors: {
  custom: {
    50: '#7b77cb',
    500: '#3144b3',
    950: '#000000',
  },
}

SCSS

$custom: #3144b3;
$custom-light: #7b77cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3144b3",
  "rgb": {
    "r": 49,
    "g": 68,
    "b": 179
  },
  "hsl": {
    "h": 231.231,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.44387,
    "c": 0.17638,
    "h": 270
  },
  "luminance": 0.08042
}

Semantic roles & 50–950 ramp

primary

#3144B3

secondary

#C6BB7A

accent

#CA48E0

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3144B3

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

Preview Lab → · Contrast checker → · Palette generator →