#3147AD#3147AD

#3147AD is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.4% C 0.165 H 269.3°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#3147AD
RGB	rgb(49, 71, 173)
HSL	hsl(229, 56%, 44%)
HSV	hsv(229, 72%, 68%)
CMYK	cmyk(71.7%, 59%, 0%, 32.2%)
CIE-LAB	lab(34.35, 27.10, -57.06)
CIE-LCH	lch(34.35, 63.16, 295.40°)
OKLab	oklab(44.44% -0.0021 -0.1645)
OKLCH	oklch(44.44% 0.165 269.3)
XYZ	xyz(11.0601, 8.1755, 40.5222)
Luminance	0.0818 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3147AD #AD9731

analogous

#3185AD #3147AD #5931AD

triadic

#3147AD #AD3147 #47AD31

tetradic

#3147AD #AD3185 #AD9731 #31AD59

square

#3147AD #AD3185 #AD9731 #31AD59

split-complementary

#3147AD #AD5931 #85AD31

monochromatic

#16204E #23337D #3147AD #4E65CD #7E8EDA

Accessibility & contrast

On white

7.97

#3147AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#3147AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3147AD

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3147AD	#FFFFFF	#000000	##FFFFFF
##3147AD	1.00	7.97	2.64	7.97
#FFFFFF	7.97	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B0

Deuteranopia (green-blind)

#004BAB

Tritanopia (blue-blind)

#006073

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3147ad;
/* rgb */ color: rgb(49, 71, 173);
/* oklch */ color: oklch(44.4% 0.165 269.3);

Tailwind

colors: {
  custom: {
    50: '#7a7ac6',
    500: '#3147ad',
    950: '#000000',
  },
}

SCSS

$custom: #3147ad;
$custom-light: #7a7ac6;
$custom-dark: #000000;

JSON

{
  "hex": "#3147ad",
  "rgb": {
    "r": 49,
    "g": 71,
    "b": 173
  },
  "hsl": {
    "h": 229.355,
    "s": 55.856,
    "l": 43.529
  },
  "oklch": {
    "l": 0.44441,
    "c": 0.16455,
    "h": 269.3
  },
  "luminance": 0.08177
}

Semantic roles & 50–950 ramp

primary

#3147AD

secondary

#C3B677

accent

#C449DF

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #3147AD

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

Preview Lab → · Contrast checker → · Palette generator →