#39447B#39447B

#39447B is a dark, moderate blue. Relative luminance 0.064; OKLCH L 40.5% C 0.093 H 273.1°. Best body text is #FFFFFF at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#39447B
RGB	rgb(57, 68, 123)
HSL	hsl(230, 37%, 35%)
HSV	hsv(230, 54%, 48%)
CMYK	cmyk(53.7%, 44.7%, 0%, 51.8%)
CIE-LAB	lab(30.48, 12.46, -32.77)
CIE-LCH	lch(30.48, 35.06, 290.82°)
OKLab	oklab(40.53% 0.005 -0.093)
OKLCH	oklch(40.53% 0.093 273.1)
XYZ	xyz(7.3285, 6.4337, 19.5907)
Luminance	0.0643 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39447B #7B7039

analogous

#39657B #39447B #4F397B

triadic

#39447B #7B3944 #447B39

tetradic

#39447B #7B3965 #7B7039 #397B4F

square

#39447B #7B3965 #7B7039 #397B4F

split-complementary

#39447B #7B4F39 #657B39

monochromatic

#121627 #262D51 #39447B #4C5BA5 #717EBD

Accessibility & contrast

On white

9.18

#39447B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#39447B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #39447B

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39447B	#FFFFFF	#000000	##FFFFFF
##39447B	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)

#2D4B7D

Deuteranopia (green-blind)

#26457A

Tritanopia (blue-blind)

#1C5059

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #39447b;
/* rgb */ color: rgb(57, 68, 123);
/* oklch */ color: oklch(40.5% 0.093 273.1);

Tailwind

colors: {
  custom: {
    50: '#7477a1',
    500: '#39447b',
    950: '#000000',
  },
}

SCSS

$custom: #39447b;
$custom-light: #7477a1;
$custom-dark: #000000;

JSON

{
  "hex": "#39447b",
  "rgb": {
    "r": 57,
    "g": 68,
    "b": 123
  },
  "hsl": {
    "h": 230,
    "s": 36.667,
    "l": 35.294
  },
  "oklch": {
    "l": 0.40532,
    "c": 0.09312,
    "h": 273.1
  },
  "luminance": 0.06434
}

Semantic roles & 50–950 ramp

primary

#39447B

secondary

#A69C69

accent

#BA5BCD

background

#F7F7FA

surface

#EDEDF3

border

#C8C8CD

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #39447B

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

Preview Lab → · Contrast checker → · Palette generator →