#3A477C#3A477C

#3A477C is a dark, moderate blue. Relative luminance 0.069; OKLCH L 41.3% C 0.090 H 271.6°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#3A477C
RGB	rgb(58, 71, 124)
HSL	hsl(228, 36%, 36%)
HSV	hsv(228, 53%, 49%)
CMYK	cmyk(53.2%, 42.7%, 0%, 51.4%)
CIE-LAB	lab(31.49, 11.05, -31.79)
CIE-LCH	lch(31.49, 33.65, 289.17°)
OKLab	oklab(41.34% 0.0025 -0.0901)
OKLCH	oklch(41.34% 0.09 271.6)
XYZ	xyz(7.6351, 6.8608, 19.9868)
Luminance	0.0686 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A477C #7C6F3A

analogous

#3A687C #3A477C #4E3A7C

triadic

#3A477C #7C3A47 #477C3A

tetradic

#3A477C #7C3A68 #7C6F3A #3A7C4E

square

#3A477C #7C3A68 #7C6F3A #3A7C4E

split-complementary

#3A477C #7C4E3A #687C3A

monochromatic

#131729 #262F52 #3A477C #4E5FA6 #7382BD

Accessibility & contrast

On white

8.85

#3A477C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#3A477C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A477C

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A477C	#FFFFFF	#000000	##FFFFFF
##3A477C	1.00	8.85	2.37	8.85
#FFFFFF	8.85	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#324D7E

Deuteranopia (green-blind)

#2B477B

Tritanopia (blue-blind)

#1D525B

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3a477c;
/* rgb */ color: rgb(58, 71, 124);
/* oklch */ color: oklch(41.3% 0.090 271.6);

Tailwind

colors: {
  custom: {
    50: '#757aa2',
    500: '#3a477c',
    950: '#000000',
  },
}

SCSS

$custom: #3a477c;
$custom-light: #757aa2;
$custom-dark: #000000;

JSON

{
  "hex": "#3a477c",
  "rgb": {
    "r": 58,
    "g": 71,
    "b": 124
  },
  "hsl": {
    "h": 228.182,
    "s": 36.264,
    "l": 35.686
  },
  "oklch": {
    "l": 0.4134,
    "c": 0.0901,
    "h": 271.6
  },
  "luminance": 0.06861
}

Semantic roles & 50–950 ramp

primary

#3A477C

secondary

#A79B6B

accent

#B65CCC

background

#F7F7FA

surface

#EDEDF3

border

#C8C8CD

text

#09090F

muted

#7B7B7F

Preview Lab

Preview with #3A477C

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

Preview Lab → · Contrast checker → · Palette generator →