#3A447C#3A447C

#3A447C is a dark, moderate blue. Relative luminance 0.065; OKLCH L 40.7% C 0.094 H 273.8°. Best body text is #FFFFFF at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#3A447C
RGB	rgb(58, 68, 124)
HSL	hsl(231, 36%, 36%)
HSV	hsv(231, 53%, 49%)
CMYK	cmyk(53.2%, 45.2%, 0%, 51.4%)
CIE-LAB	lab(30.61, 13.05, -33.18)
CIE-LCH	lch(30.61, 35.66, 291.48°)
OKLab	oklab(40.67% 0.0063 -0.0942)
OKLCH	oklch(40.67% 0.094 273.8)
XYZ	xyz(7.4490, 6.4885, 19.9248)
Luminance	0.0649 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A447C #7C723A

analogous

#3A657C #3A447C #513A7C

triadic

#3A447C #7C3A44 #447C3A

tetradic

#3A447C #7C3A65 #7C723A #3A7C51

square

#3A447C #7C3A65 #7C723A #3A7C51

split-complementary

#3A447C #7C513A #657C3A

monochromatic

#131629 #262D52 #3A447C #4E5BA6 #737EBD

Accessibility & contrast

On white

9.14

#3A447C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#3A447C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A447C

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A447C	#FFFFFF	#000000	##FFFFFF
##3A447C	1.00	9.14	2.30	9.14
#FFFFFF	9.14	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D4B7E

Deuteranopia (green-blind)

#26457B

Tritanopia (blue-blind)

#1E505A

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3a447c;
/* rgb */ color: rgb(58, 68, 124);
/* oklch */ color: oklch(40.7% 0.094 273.8);

Tailwind

colors: {
  custom: {
    50: '#7577a2',
    500: '#3a447c',
    950: '#000000',
  },
}

SCSS

$custom: #3a447c;
$custom-light: #7577a2;
$custom-dark: #000000;

JSON

{
  "hex": "#3a447c",
  "rgb": {
    "r": 58,
    "g": 68,
    "b": 124
  },
  "hsl": {
    "h": 230.909,
    "s": 36.264,
    "l": 35.686
  },
  "oklch": {
    "l": 0.40671,
    "c": 0.09438,
    "h": 273.8
  },
  "luminance": 0.06489
}

Semantic roles & 50–950 ramp

primary

#3A447C

secondary

#A79E6B

accent

#BB5CCC

background

#F7F7FA

surface

#EDEDF3

border

#C8C8CD

text

#09080F

muted

#7B7B7F

Preview Lab

Preview with #3A447C

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

Preview Lab → · Contrast checker → · Palette generator →