#3147A4#3147A4

#3147A4 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.7% C 0.152 H 269.1°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#3147A4
RGB	rgb(49, 71, 164)
HSL	hsl(229, 54%, 42%)
HSV	hsv(229, 70%, 64%)
CMYK	cmyk(70.1%, 56.7%, 0%, 35.7%)
CIE-LAB	lab(33.64, 23.76, -52.82)
CIE-LCH	lch(33.64, 57.92, 294.22°)
OKLab	oklab(43.7% -0.0024 -0.1521)
OKLCH	oklch(43.7% 0.152 269.1)
XYZ	xyz(10.2184, 7.8388, 36.0893)
Luminance	0.0784 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3147A4 #A48E31

analogous

#3181A4 #3147A4 #5531A4

triadic

#3147A4 #A43147 #47A431

tetradic

#3147A4 #A43181 #A48E31 #31A455

square

#3147A4 #A43181 #A48E31 #31A455

split-complementary

#3147A4 #A45531 #81A431

monochromatic

#151E46 #233375 #3147A4 #4962C9 #798BD7

Accessibility & contrast

On white

8.18

#3147A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#3147A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3147A4

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3147A4	#FFFFFF	#000000	##FFFFFF
##3147A4	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055A7

Deuteranopia (green-blind)

#004AA2

Tritanopia (blue-blind)

#005E6E

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3147a4;
/* rgb */ color: rgb(49, 71, 164);
/* oklch */ color: oklch(43.7% 0.152 269.1);

Tailwind

colors: {
  custom: {
    50: '#7879c0',
    500: '#3147a4',
    950: '#000000',
  },
}

SCSS

$custom: #3147a4;
$custom-light: #7879c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3147a4",
  "rgb": {
    "r": 49,
    "g": 71,
    "b": 164
  },
  "hsl": {
    "h": 228.522,
    "s": 53.991,
    "l": 41.765
  },
  "oklch": {
    "l": 0.43696,
    "c": 0.1521,
    "h": 269.1
  },
  "luminance": 0.0784
}

Semantic roles & 50–950 ramp

primary

#3147A4

secondary

#BFB072

accent

#C14ADD

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #3147A4

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

Preview Lab → · Contrast checker → · Palette generator →