#3A397D#3A397D

#3A397D is a dark, moderate blue. Relative luminance 0.053; OKLCH L 38.4% C 0.112 H 280.4°. Best body text is #FFFFFF at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#3A397D
RGB	rgb(58, 57, 125)
HSL	hsl(241, 37%, 36%)
HSV	hsv(241, 54%, 49%)
CMYK	cmyk(53.6%, 54.4%, 0%, 51%)
CIE-LAB	lab(27.59, 20.78, -38.65)
CIE-LCH	lch(27.59, 43.88, 298.27°)
OKLab	oklab(38.4% 0.0202 -0.1103)
OKLCH	oklch(38.4% 0.112 280.4)
XYZ	xyz(6.9086, 5.3061, 20.0582)
Luminance	0.0531 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A397D #7C7D39

analogous

#395A7D #3A397D #5C397D

triadic

#3A397D #7D3A39 #397D3A

tetradic

#3A397D #7D395A #7C7D39 #397D5C

square

#3A397D #7D395A #7C7D39 #397D5C

split-complementary

#3A397D #7D5C39 #5A7D39

monochromatic

#131329 #262653 #3A397D #4E4CA7 #7372BF

Accessibility & contrast

On white

10.19

#3A397D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#3A397D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A397D

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A397D	#FFFFFF	#000000	##FFFFFF
##3A397D	1.00	10.19	2.06	10.19
#FFFFFF	10.19	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#15447F

Deuteranopia (green-blind)

#0D3F7C

Tritanopia (blue-blind)

#1E4855

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3a397d;
/* rgb */ color: rgb(58, 57, 125);
/* oklch */ color: oklch(38.4% 0.112 280.4);

Tailwind

colors: {
  custom: {
    50: '#766fa3',
    500: '#3a397d',
    950: '#000000',
  },
}

SCSS

$custom: #3a397d;
$custom-light: #766fa3;
$custom-dark: #000000;

JSON

{
  "hex": "#3a397d",
  "rgb": {
    "r": 58,
    "g": 57,
    "b": 125
  },
  "hsl": {
    "h": 240.882,
    "s": 37.363,
    "l": 35.686
  },
  "oklch": {
    "l": 0.38404,
    "c": 0.11216,
    "h": 280.4
  },
  "luminance": 0.05306
}

Semantic roles & 50–950 ramp

primary

#3A397D

secondary

#A7A86A

accent

#CD5ACC

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#09070F

muted

#7B7A7F

Preview Lab

Preview with #3A397D

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

Preview Lab → · Contrast checker → · Palette generator →