#3B337C#3B337C

#3B337C is a dark, moderate blue. Relative luminance 0.048; OKLCH L 37.2% C 0.119 H 283.9°. Best body text is #FFFFFF at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#3B337C
RGB	rgb(59, 51, 124)
HSL	hsl(247, 42%, 34%)
HSV	hsv(247, 59%, 49%)
CMYK	cmyk(52.4%, 58.9%, 0%, 51.4%)
CIE-LAB	lab(26.02, 24.66, -40.55)
CIE-LCH	lch(26.02, 47.45, 301.30°)
OKLab	oklab(37.23% 0.0288 -0.1159)
OKLCH	oklch(37.23% 0.119 283.9)
XYZ	xyz(6.6245, 4.7524, 19.6331)
Luminance	0.0475 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B337C #747C33

analogous

#33507C #3B337C #60337C

triadic

#3B337C #7C3B33 #337C3B

tetradic

#3B337C #7C3350 #747C33 #337C60

square

#3B337C #7C3350 #747C33 #337C60

split-complementary

#3B337C #7C6033 #507C33

monochromatic

#120F25 #262151 #3B337C #5045A7 #7268C1

Accessibility & contrast

On white

10.77

#3B337C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#3B337C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B337C

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B337C	#FFFFFF	#000000	##FFFFFF
##3B337C	1.00	10.77	1.95	10.77
#FFFFFF	10.77	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#01407E

Deuteranopia (green-blind)

#003B7A

Tritanopia (blue-blind)

#224452

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #3b337c;
/* rgb */ color: rgb(59, 51, 124);
/* oklch */ color: oklch(37.2% 0.119 283.9);

Tailwind

colors: {
  custom: {
    50: '#776ba2',
    500: '#3b337c',
    950: '#000000',
  },
}

SCSS

$custom: #3b337c;
$custom-light: #776ba2;
$custom-dark: #000000;

JSON

{
  "hex": "#3b337c",
  "rgb": {
    "r": 59,
    "g": 51,
    "b": 124
  },
  "hsl": {
    "h": 246.575,
    "s": 41.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.37232,
    "c": 0.11943,
    "h": 283.9
  },
  "luminance": 0.04753
}

Semantic roles & 50–950 ramp

primary

#3B337C

secondary

#A1A962

accent

#D256C4

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#09060F

muted

#7B7A7F

Preview Lab

Preview with #3B337C

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

Preview Lab → · Contrast checker → · Palette generator →