#3A477D#3A477D

#3A477D is a dark, moderate blue. Relative luminance 0.069; OKLCH L 41.4% C 0.092 H 271.7°. Best body text is #FFFFFF at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#3A477D
RGB	rgb(58, 71, 125)
HSL	hsl(228, 37%, 36%)
HSV	hsv(228, 54%, 49%)
CMYK	cmyk(53.6%, 43.2%, 0%, 51%)
CIE-LAB	lab(31.55, 11.39, -32.32)
CIE-LCH	lch(31.55, 34.27, 289.42°)
OKLab	oklab(41.4% 0.0027 -0.0916)
OKLCH	oklch(41.4% 0.092 271.7)
XYZ	xyz(7.6986, 6.8862, 20.3215)
Luminance	0.0689 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A477D #7D703A

analogous

#3A687D #3A477D #4E3A7D

triadic

#3A477D #7D3A47 #477D3A

tetradic

#3A477D #7D3A68 #7D703A #3A7D4E

square

#3A477D #7D3A68 #7D703A #3A7D4E

split-complementary

#3A477D #7D4E3A #687D3A

monochromatic

#131829 #272F53 #3A477D #4D5FA7 #7382BE

Accessibility & contrast

On white

8.83

#3A477D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#3A477D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A477D

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A477D	#FFFFFF	#000000	##FFFFFF
##3A477D	1.00	8.83	2.38	8.83
#FFFFFF	8.83	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#314D7F

Deuteranopia (green-blind)

#2A487C

Tritanopia (blue-blind)

#1C535C

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3a477d;
/* rgb */ color: rgb(58, 71, 125);
/* oklch */ color: oklch(41.4% 0.092 271.7);

Tailwind

colors: {
  custom: {
    50: '#757aa3',
    500: '#3a477d',
    950: '#000000',
  },
}

SCSS

$custom: #3a477d;
$custom-light: #757aa3;
$custom-dark: #000000;

JSON

{
  "hex": "#3a477d",
  "rgb": {
    "r": 58,
    "g": 71,
    "b": 125
  },
  "hsl": {
    "h": 228.358,
    "s": 36.612,
    "l": 35.882
  },
  "oklch": {
    "l": 0.41404,
    "c": 0.09166,
    "h": 271.7
  },
  "luminance": 0.06887
}

Semantic roles & 50–950 ramp

primary

#3A477D

secondary

#A89C6B

accent

#B75BCD

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#09090F

muted

#7B7B7F

Preview Lab

Preview with #3A477D

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

Preview Lab → · Contrast checker → · Palette generator →