#3B397D#3B397D

#3B397D is a dark, moderate blue. Relative luminance 0.053; OKLCH L 38.5% C 0.112 H 281.1°. Best body text is #FFFFFF at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#3B397D
RGB	rgb(59, 57, 125)
HSL	hsl(242, 37%, 36%)
HSV	hsv(242, 54%, 49%)
CMYK	cmyk(52.8%, 54.4%, 0%, 51%)
CIE-LAB	lab(27.67, 21.01, -38.51)
CIE-LCH	lch(27.67, 43.87, 298.62°)
OKLab	oklab(38.49% 0.0215 -0.1099)
OKLCH	oklch(38.49% 0.112 281.1)
XYZ	xyz(6.9673, 5.3363, 20.0609)
Luminance	0.0534 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B397D #7B7D39

analogous

#39597D #3B397D #5D397D

triadic

#3B397D #7D3B39 #397D3B

tetradic

#3B397D #7D3959 #7B7D39 #397D5D

square

#3B397D #7D3959 #7B7D39 #397D5D

split-complementary

#3B397D #7D5D39 #597D39

monochromatic

#131329 #272653 #3B397D #4F4CA7 #7472BF

Accessibility & contrast

On white

10.16

#3B397D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#3B397D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B397D

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B397D	#FFFFFF	#000000	##FFFFFF
##3B397D	1.00	10.16	2.07	10.16
#FFFFFF	10.16	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#15447F

Deuteranopia (green-blind)

#0E3F7C

Tritanopia (blue-blind)

#214855

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3b397d;
/* rgb */ color: rgb(59, 57, 125);
/* oklch */ color: oklch(38.5% 0.112 281.1);

Tailwind

colors: {
  custom: {
    50: '#766fa3',
    500: '#3b397d',
    950: '#000000',
  },
}

SCSS

$custom: #3b397d;
$custom-light: #766fa3;
$custom-dark: #000000;

JSON

{
  "hex": "#3b397d",
  "rgb": {
    "r": 59,
    "g": 57,
    "b": 125
  },
  "hsl": {
    "h": 241.765,
    "s": 37.363,
    "l": 35.686
  },
  "oklch": {
    "l": 0.38487,
    "c": 0.11197,
    "h": 281.1
  },
  "luminance": 0.05337
}

Semantic roles & 50–950 ramp

primary

#3B397D

secondary

#A6A86A

accent

#CD5ACA

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#09070F

muted

#7B7A7F

Preview Lab

Preview with #3B397D

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

Preview Lab → · Contrast checker → · Palette generator →