#3149A9#3149A9

#3149A9 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.5% C 0.157 H 268.6°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#3149A9
RGB	rgb(49, 73, 169)
HSL	hsl(228, 55%, 43%)
HSV	hsv(228, 71%, 66%)
CMYK	cmyk(71%, 56.8%, 0%, 33.7%)
CIE-LAB	lab(34.56, 24.30, -54.32)
CIE-LCH	lch(34.56, 59.51, 294.10°)
OKLab	oklab(44.51% -0.0038 -0.1565)
OKLCH	oklch(44.51% 0.157 268.6)
XYZ	xyz(10.8081, 8.2815, 38.5573)
Luminance	0.0828 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3149A9 #A99131

analogous

#3185A9 #3149A9 #5531A9

triadic

#3149A9 #A93149 #49A931

tetradic

#3149A9 #A93185 #A99131 #31A955

square

#3149A9 #A93185 #A99131 #31A955

split-complementary

#3149A9 #A95531 #85A931

monochromatic

#15204A #23357A #3149A9 #4C65CB #7C8ED9

Accessibility & contrast

On white

7.90

#3149A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#3149A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3149A9

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3149A9	#FFFFFF	#000000	##FFFFFF
##3149A9	1.00	7.90	2.66	7.90
#FFFFFF	7.90	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057AC

Deuteranopia (green-blind)

#004CA7

Tritanopia (blue-blind)

#006072

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3149a9;
/* rgb */ color: rgb(49, 73, 169);
/* oklch */ color: oklch(44.5% 0.157 268.6);

Tailwind

colors: {
  custom: {
    50: '#797bc3',
    500: '#3149a9',
    950: '#000000',
  },
}

SCSS

$custom: #3149a9;
$custom-light: #797bc3;
$custom-dark: #000000;

JSON

{
  "hex": "#3149a9",
  "rgb": {
    "r": 49,
    "g": 73,
    "b": 169
  },
  "hsl": {
    "h": 228,
    "s": 55.046,
    "l": 42.745
  },
  "oklch": {
    "l": 0.44505,
    "c": 0.15652,
    "h": 268.6
  },
  "luminance": 0.08283
}

Semantic roles & 50–950 ramp

primary

#3149A9

secondary

#C1B274

accent

#C149DE

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #3149A9

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

Preview Lab → · Contrast checker → · Palette generator →