#3A447D#3A447D

#3A447D is a dark, moderate blue. Relative luminance 0.065; OKLCH L 40.7% C 0.096 H 273.9°. Best body text is #FFFFFF at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#3A447D
RGB	rgb(58, 68, 125)
HSL	hsl(231, 37%, 36%)
HSV	hsv(231, 54%, 49%)
CMYK	cmyk(53.6%, 45.6%, 0%, 51%)
CIE-LAB	lab(30.67, 13.40, -33.71)
CIE-LCH	lch(30.67, 36.27, 291.68°)
OKLab	oklab(40.74% 0.0065 -0.0957)
OKLCH	oklch(40.74% 0.096 273.9)
XYZ	xyz(7.5125, 6.5140, 20.2595)
Luminance	0.0651 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A447D #7D733A

analogous

#3A657D #3A447D #513A7D

triadic

#3A447D #7D3A44 #447D3A

tetradic

#3A447D #7D3A65 #7D733A #3A7D51

square

#3A447D #7D3A65 #7D733A #3A7D51

split-complementary

#3A447D #7D513A #657D3A

monochromatic

#131729 #272D53 #3A447D #4D5BA7 #737EBE

Accessibility & contrast

On white

9.12

#3A447D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#3A447D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A447D

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A447D	#FFFFFF	#000000	##FFFFFF
##3A447D	1.00	9.12	2.30	9.12
#FFFFFF	9.12	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C4B7F

Deuteranopia (green-blind)

#25467C

Tritanopia (blue-blind)

#1D505A

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3a447d;
/* rgb */ color: rgb(58, 68, 125);
/* oklch */ color: oklch(40.7% 0.096 273.9);

Tailwind

colors: {
  custom: {
    50: '#7577a3',
    500: '#3a447d',
    950: '#000000',
  },
}

SCSS

$custom: #3a447d;
$custom-light: #7577a3;
$custom-dark: #000000;

JSON

{
  "hex": "#3a447d",
  "rgb": {
    "r": 58,
    "g": 68,
    "b": 125
  },
  "hsl": {
    "h": 231.045,
    "s": 36.612,
    "l": 35.882
  },
  "oklch": {
    "l": 0.40737,
    "c": 0.09594,
    "h": 273.9
  },
  "luminance": 0.06514
}

Semantic roles & 50–950 ramp

primary

#3A447D

secondary

#A89F6B

accent

#BC5BCD

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#09080F

muted

#7B7B7F

Preview Lab

Preview with #3A447D

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

Preview Lab → · Contrast checker → · Palette generator →