#3149AA#3149AA

#3149AA is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.6% C 0.158 H 268.6°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#3149AA
RGB	rgb(49, 73, 170)
HSL	hsl(228, 55%, 43%)
HSV	hsv(228, 71%, 67%)
CMYK	cmyk(71.2%, 57.1%, 0%, 33.3%)
CIE-LAB	lab(34.64, 24.67, -54.79)
CIE-LCH	lch(34.64, 60.09, 294.24°)
OKLab	oklab(44.59% -0.0038 -0.1579)
OKLCH	oklch(44.59% 0.158 268.6)
XYZ	xyz(10.9024, 8.3192, 39.0536)
Luminance	0.0832 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3149AA #AA9231

analogous

#3185AA #3149AA #5531AA

triadic

#3149AA #AA3149 #49AA31

tetradic

#3149AA #AA3185 #AA9231 #31AA55

square

#3149AA #AA3185 #AA9231 #31AA55

split-complementary

#3149AA #AA5531 #85AA31

monochromatic

#16204B #23357A #3149AA #4D66CC #7C8FD9

Accessibility & contrast

On white

7.88

#3149AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#3149AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3149AA

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3149AA	#FFFFFF	#000000	##FFFFFF
##3149AA	1.00	7.88	2.66	7.88
#FFFFFF	7.88	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057AD

Deuteranopia (green-blind)

#004CA8

Tritanopia (blue-blind)

#006172

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3149aa;
/* rgb */ color: rgb(49, 73, 170);
/* oklch */ color: oklch(44.6% 0.158 268.6);

Tailwind

colors: {
  custom: {
    50: '#797bc4',
    500: '#3149aa',
    950: '#000000',
  },
}

SCSS

$custom: #3149aa;
$custom-light: #797bc4;
$custom-dark: #000000;

JSON

{
  "hex": "#3149aa",
  "rgb": {
    "r": 49,
    "g": 73,
    "b": 170
  },
  "hsl": {
    "h": 228.099,
    "s": 55.251,
    "l": 42.941
  },
  "oklch": {
    "l": 0.44586,
    "c": 0.15791,
    "h": 268.6
  },
  "luminance": 0.0832
}

Semantic roles & 50–950 ramp

primary

#3149AA

secondary

#C2B375

accent

#C149DF

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #3149AA

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

Preview Lab → · Contrast checker → · Palette generator →