#3B337B#3B337B

#3B337B is a dark, moderate blue. Relative luminance 0.047; OKLCH L 37.2% C 0.118 H 284.1°. Best body text is #FFFFFF at 10.79:1 contrast (WCAG AA passes).

Color values

HEX	#3B337B
RGB	rgb(59, 51, 123)
HSL	hsl(247, 41%, 34%)
HSV	hsv(247, 59%, 48%)
CMYK	cmyk(52%, 58.5%, 0%, 51.8%)
CIE-LAB	lab(25.94, 24.32, -40.04)
CIE-LCH	lch(25.94, 46.84, 301.28°)
OKLab	oklab(37.15% 0.0288 -0.1144)
OKLCH	oklch(37.15% 0.118 284.1)
XYZ	xyz(6.5615, 4.7272, 19.3017)
Luminance	0.0473 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B337B #737B33

analogous

#334F7B #3B337B #5F337B

triadic

#3B337B #7B3B33 #337B3B

tetradic

#3B337B #7B334F #737B33 #337B5F

square

#3B337B #7B334F #737B33 #337B5F

split-complementary

#3B337B #7B5F33 #4F7B33

monochromatic

#110F24 #262150 #3B337B #5045A6 #7268C0

Accessibility & contrast

On white

10.79

#3B337B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#3B337B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B337B

10.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B337B	#FFFFFF	#000000	##FFFFFF
##3B337B	1.00	10.79	1.95	10.79
#FFFFFF	10.79	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#03407D

Deuteranopia (green-blind)

#003B79

Tritanopia (blue-blind)

#234351

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #3b337b;
/* rgb */ color: rgb(59, 51, 123);
/* oklch */ color: oklch(37.2% 0.118 284.1);

Tailwind

colors: {
  custom: {
    50: '#766ba2',
    500: '#3b337b',
    950: '#000000',
  },
}

SCSS

$custom: #3b337b;
$custom-light: #766ba2;
$custom-dark: #000000;

JSON

{
  "hex": "#3b337b",
  "rgb": {
    "r": 59,
    "g": 51,
    "b": 123
  },
  "hsl": {
    "h": 246.667,
    "s": 41.379,
    "l": 34.118
  },
  "oklch": {
    "l": 0.37153,
    "c": 0.11797,
    "h": 284.1
  },
  "luminance": 0.04728
}

Semantic roles & 50–950 ramp

primary

#3B337B

secondary

#A0A862

accent

#D157C4

background

#F7F6FA

surface

#EDEBF3

border

#C8C6CD

text

#09060F

muted

#7B7A7F

Preview Lab

Preview with #3B337B

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

Preview Lab → · Contrast checker → · Palette generator →