#3147A1#3147A1

#3147A1 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.5% C 0.148 H 269.0°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#3147A1
RGB	rgb(49, 71, 161)
HSL	hsl(228, 53%, 41%)
HSV	hsv(228, 70%, 63%)
CMYK	cmyk(69.6%, 55.9%, 0%, 36.9%)
CIE-LAB	lab(33.42, 22.65, -51.38)
CIE-LCH	lch(33.42, 56.15, 293.79°)
OKLab	oklab(43.45% -0.0025 -0.1479)
OKLCH	oklch(43.45% 0.148 269)
XYZ	xyz(9.9507, 7.7317, 34.6793)
Luminance	0.0773 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3147A1 #A18B31

analogous

#317FA1 #3147A1 #5331A1

triadic

#3147A1 #A13147 #47A131

tetradic

#3147A1 #A1317F #A18B31 #31A153

square

#3147A1 #A1317F #A18B31 #31A153

split-complementary

#3147A1 #A15331 #7FA131

monochromatic

#141E43 #233272 #3147A1 #4861C7 #7789D6

Accessibility & contrast

On white

8.25

#3147A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#3147A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3147A1

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3147A1	#FFFFFF	#000000	##FFFFFF
##3147A1	1.00	8.25	2.55	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054A4

Deuteranopia (green-blind)

#004A9F

Tritanopia (blue-blind)

#005D6D

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3147a1;
/* rgb */ color: rgb(49, 71, 161);
/* oklch */ color: oklch(43.5% 0.148 269.0);

Tailwind

colors: {
  custom: {
    50: '#7779bd',
    500: '#3147a1',
    950: '#000000',
  },
}

SCSS

$custom: #3147a1;
$custom-light: #7779bd;
$custom-dark: #000000;

JSON

{
  "hex": "#3147a1",
  "rgb": {
    "r": 49,
    "g": 71,
    "b": 161
  },
  "hsl": {
    "h": 228.214,
    "s": 53.333,
    "l": 41.176
  },
  "oklch": {
    "l": 0.43454,
    "c": 0.14788,
    "h": 269
  },
  "luminance": 0.07733
}

Semantic roles & 50–950 ramp

primary

#3147A1

secondary

#BEAE70

accent

#C04BDD

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #3147A1

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

Preview Lab → · Contrast checker → · Palette generator →