#3147A6#3147A6

#3147A6 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.9% C 0.155 H 269.2°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#3147A6
RGB	rgb(49, 71, 166)
HSL	hsl(229, 54%, 42%)
HSV	hsv(229, 70%, 65%)
CMYK	cmyk(70.5%, 57.2%, 0%, 34.9%)
CIE-LAB	lab(33.80, 24.50, -53.77)
CIE-LCH	lch(33.80, 59.09, 294.50°)
OKLab	oklab(43.86% -0.0023 -0.1549)
OKLCH	oklch(43.86% 0.155 269.2)
XYZ	xyz(10.4004, 7.9116, 37.0480)
Luminance	0.0791 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3147A6 #A69031

analogous

#3182A6 #3147A6 #5631A6

triadic

#3147A6 #A63147 #47A631

tetradic

#3147A6 #A63182 #A69031 #31A656

square

#3147A6 #A63182 #A69031 #31A656

split-complementary

#3147A6 #A65631 #82A631

monochromatic

#151F47 #233377 #3147A6 #4A62CA #7A8BD8

Accessibility & contrast

On white

8.13

#3147A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#3147A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3147A6

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3147A6	#FFFFFF	#000000	##FFFFFF
##3147A6	1.00	8.13	2.58	8.13
#FFFFFF	8.13	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055A9

Deuteranopia (green-blind)

#004AA4

Tritanopia (blue-blind)

#005E6F

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3147a6;
/* rgb */ color: rgb(49, 71, 166);
/* oklch */ color: oklch(43.9% 0.155 269.2);

Tailwind

colors: {
  custom: {
    50: '#7879c1',
    500: '#3147a6',
    950: '#000000',
  },
}

SCSS

$custom: #3147a6;
$custom-light: #7879c1;
$custom-dark: #000000;

JSON

{
  "hex": "#3147a6",
  "rgb": {
    "r": 49,
    "g": 71,
    "b": 166
  },
  "hsl": {
    "h": 228.718,
    "s": 54.419,
    "l": 42.157
  },
  "oklch": {
    "l": 0.4386,
    "c": 0.15489,
    "h": 269.2
  },
  "luminance": 0.07913
}

Semantic roles & 50–950 ramp

primary

#3147A6

secondary

#C0B273

accent

#C24ADE

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #3147A6

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

Preview Lab → · Contrast checker → · Palette generator →