#3147A7#3147A7

#3147A7 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.9% C 0.156 H 269.2°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#3147A7
RGB	rgb(49, 71, 167)
HSL	hsl(229, 55%, 42%)
HSV	hsv(229, 71%, 65%)
CMYK	cmyk(70.7%, 57.5%, 0%, 34.5%)
CIE-LAB	lab(33.88, 24.88, -54.24)
CIE-LCH	lch(33.88, 59.67, 294.64°)
OKLab	oklab(43.94% -0.0022 -0.1563)
OKLCH	oklch(43.94% 0.156 269.2)
XYZ	xyz(10.4925, 7.9484, 37.5330)
Luminance	0.0795 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3147A7 #A79131

analogous

#3182A7 #3147A7 #5631A7

triadic

#3147A7 #A73147 #47A731

tetradic

#3147A7 #A73182 #A79131 #31A756

square

#3147A7 #A73182 #A79131 #31A756

split-complementary

#3147A7 #A75631 #82A731

monochromatic

#151F48 #233378 #3147A7 #4B63CA #7A8CD8

Accessibility & contrast

On white

8.11

#3147A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#3147A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3147A7

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3147A7	#FFFFFF	#000000	##FFFFFF
##3147A7	1.00	8.11	2.59	8.11
#FFFFFF	8.11	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055AA

Deuteranopia (green-blind)

#004AA5

Tritanopia (blue-blind)

#005F70

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3147a7;
/* rgb */ color: rgb(49, 71, 167);
/* oklch */ color: oklch(43.9% 0.156 269.2);

Tailwind

colors: {
  custom: {
    50: '#7879c2',
    500: '#3147a7',
    950: '#000000',
  },
}

SCSS

$custom: #3147a7;
$custom-light: #7879c2;
$custom-dark: #000000;

JSON

{
  "hex": "#3147a7",
  "rgb": {
    "r": 49,
    "g": 71,
    "b": 167
  },
  "hsl": {
    "h": 228.814,
    "s": 54.63,
    "l": 42.353
  },
  "oklch": {
    "l": 0.43942,
    "c": 0.15629,
    "h": 269.2
  },
  "luminance": 0.07949
}

Semantic roles & 50–950 ramp

primary

#3147A7

secondary

#C1B273

accent

#C24ADE

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #3147A7

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

Preview Lab → · Contrast checker → · Palette generator →