#3A447A#3A447A

#3A447A is a dark, moderate blue. Relative luminance 0.064; OKLCH L 40.5% C 0.091 H 273.7°. Best body text is #FFFFFF at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#3A447A
RGB	rgb(58, 68, 122)
HSL	hsl(231, 36%, 35%)
HSV	hsv(231, 52%, 48%)
CMYK	cmyk(52.5%, 44.3%, 0%, 52.2%)
CIE-LAB	lab(30.49, 12.37, -32.12)
CIE-LCH	lch(30.49, 34.42, 291.06°)
OKLab	oklab(40.54% 0.006 -0.0911)
OKLCH	oklch(40.54% 0.091 273.7)
XYZ	xyz(7.3238, 6.4385, 19.2654)
Luminance	0.0644 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A447A #7A703A

analogous

#3A647A #3A447A #503A7A

triadic

#3A447A #7A3A44 #447A3A

tetradic

#3A447A #7A3A64 #7A703A #3A7A50

square

#3A447A #7A3A64 #7A703A #3A7A50

split-complementary

#3A447A #7A503A #647A3A

monochromatic

#131627 #262D51 #3A447A #4E5BA3 #727EBC

Accessibility & contrast

On white

9.18

#3A447A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#3A447A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A447A

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A447A	#FFFFFF	#000000	##FFFFFF
##3A447A	1.00	9.18	2.29	9.18
#FFFFFF	9.18	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E4B7C

Deuteranopia (green-blind)

#284579

Tritanopia (blue-blind)

#1F5059

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3a447a;
/* rgb */ color: rgb(58, 68, 122);
/* oklch */ color: oklch(40.5% 0.091 273.7);

Tailwind

colors: {
  custom: {
    50: '#7577a1',
    500: '#3a447a',
    950: '#000000',
  },
}

SCSS

$custom: #3a447a;
$custom-light: #7577a1;
$custom-dark: #000000;

JSON

{
  "hex": "#3a447a",
  "rgb": {
    "r": 58,
    "g": 68,
    "b": 122
  },
  "hsl": {
    "h": 230.625,
    "s": 35.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.4054,
    "c": 0.09126,
    "h": 273.7
  },
  "luminance": 0.06439
}

Semantic roles & 50–950 ramp

primary

#3A447A

secondary

#A69C6A

accent

#BA5CCC

background

#F7F7F9

surface

#EDEDF2

border

#C8C8CC

text

#09080F

muted

#7B7B7E

Preview Lab

Preview with #3A447A

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

Preview Lab → · Contrast checker → · Palette generator →