#3337BD#3337BD

#3337BD is a dark, highly saturated blue. Relative luminance 0.071; OKLCH L 43.2% C 0.204 H 272.7°. Best body text is #FFFFFF at 8.67:1 contrast (WCAG AA passes).

Color values

HEX	#3337BD
RGB	rgb(51, 55, 189)
HSL	hsl(238, 58%, 47%)
HSV	hsv(238, 73%, 74%)
CMYK	cmyk(73%, 70.9%, 0%, 25.9%)
CIE-LAB	lab(32.05, 43.10, -70.29)
CIE-LCH	lch(32.05, 82.45, 301.52°)
OKLab	oklab(43.23% 0.0096 -0.2033)
OKLCH	oklch(43.23% 0.204 272.7)
XYZ	xyz(11.9137, 7.1091, 48.8786)
Luminance	0.0711 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3337BD #BDB933

analogous

#337CBD #3337BD #7433BD

triadic

#3337BD #BD3337 #37BD33

tetradic

#3337BD #BD337C #BDB933 #33BD74

square

#3337BD #BD337C #BDB933 #33BD74

split-complementary

#3337BD #BD7433 #7CBD33

monochromatic

#191B5D #26298D #3337BD #5B5ED3 #8B8DE0

Accessibility & contrast

On white

8.67

#3337BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#3337BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3337BD

8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3337BD	#FFFFFF	#000000	##FFFFFF
##3337BD	1.00	8.67	2.42	8.67
#FFFFFF	8.67	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052C1

Deuteranopia (green-blind)

#0045BB

Tritanopia (blue-blind)

#005C76

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3337bd;
/* rgb */ color: rgb(51, 55, 189);
/* oklch */ color: oklch(43.2% 0.204 272.7);

Tailwind

colors: {
  custom: {
    50: '#806fd2',
    500: '#3337bd',
    950: '#000000',
  },
}

SCSS

$custom: #3337bd;
$custom-light: #806fd2;
$custom-dark: #000000;

JSON

{
  "hex": "#3337bd",
  "rgb": {
    "r": 51,
    "g": 55,
    "b": 189
  },
  "hsl": {
    "h": 238.261,
    "s": 57.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.43227,
    "c": 0.20355,
    "h": 272.7
  },
  "luminance": 0.0711
}

Semantic roles & 50–950 ramp

primary

#3337BD

secondary

#CAC882

accent

#DC47E1

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3337BD

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

Preview Lab → · Contrast checker → · Palette generator →