#3337BE#3337BE

#3337BE is a dark, highly saturated blue. Relative luminance 0.072; OKLCH L 43.3% C 0.205 H 272.6°. Best body text is #FFFFFF at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#3337BE
RGB	rgb(51, 55, 190)
HSL	hsl(238, 58%, 47%)
HSV	hsv(238, 73%, 75%)
CMYK	cmyk(73.2%, 71.1%, 0%, 25.5%)
CIE-LAB	lab(32.15, 43.44, -70.71)
CIE-LCH	lch(32.15, 82.99, 301.56°)
OKLab	oklab(43.33% 0.0094 -0.2046)
OKLCH	oklch(43.33% 0.205 272.6)
XYZ	xyz(12.0226, 7.1527, 49.4522)
Luminance	0.0715 (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

#3337BE #BEBA33

analogous

#337DBE #3337BE #7433BE

triadic

#3337BE #BE3337 #37BE33

tetradic

#3337BE #BE337D #BEBA33 #33BE74

square

#3337BE #BE337D #BEBA33 #33BE74

split-complementary

#3337BE #BE7433 #7DBE33

monochromatic

#191B5E #26298E #3337BE #5B5FD3 #8B8EE0

Accessibility & contrast

On white

8.64

#3337BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#3337BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3337BE

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3337BE	#FFFFFF	#000000	##FFFFFF
##3337BE	1.00	8.64	2.43	8.64
#FFFFFF	8.64	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052C2

Deuteranopia (green-blind)

#0045BC

Tritanopia (blue-blind)

#005D77

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3337be;
/* rgb */ color: rgb(51, 55, 190);
/* oklch */ color: oklch(43.3% 0.205 272.6);

Tailwind

colors: {
  custom: {
    50: '#806fd3',
    500: '#3337be',
    950: '#000000',
  },
}

SCSS

$custom: #3337be;
$custom-light: #806fd3;
$custom-dark: #000000;

JSON

{
  "hex": "#3337be",
  "rgb": {
    "r": 51,
    "g": 55,
    "b": 190
  },
  "hsl": {
    "h": 238.273,
    "s": 57.676,
    "l": 47.255
  },
  "oklch": {
    "l": 0.43327,
    "c": 0.2048,
    "h": 272.6
  },
  "luminance": 0.07154
}

Semantic roles & 50–950 ramp

primary

#3337BE

secondary

#CAC883

accent

#DC47E1

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3337BE

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

Preview Lab → · Contrast checker → · Palette generator →