#3339BE#3339BE

#3339BE is a dark, highly saturated blue. Relative luminance 0.073; OKLCH L 43.6% C 0.203 H 272.4°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#3339BE
RGB	rgb(51, 57, 190)
HSL	hsl(237, 58%, 47%)
HSV	hsv(237, 73%, 75%)
CMYK	cmyk(73.2%, 70%, 0%, 25.5%)
CIE-LAB	lab(32.58, 42.25, -70.00)
CIE-LCH	lch(32.58, 81.77, 301.11°)
OKLab	oklab(43.64% 0.0083 -0.2025)
OKLCH	oklch(43.64% 0.203 272.4)
XYZ	xyz(12.1195, 7.3465, 49.4845)
Luminance	0.0735 (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

#3339BE #BEB833

analogous

#337FBE #3339BE #7333BE

triadic

#3339BE #BE3339 #39BE33

tetradic

#3339BE #BE337F #BEB833 #33BE73

square

#3339BE #BE337F #BEB833 #33BE73

split-complementary

#3339BE #BE7333 #7FBE33

monochromatic

#191C5E #262B8E #3339BE #5B60D3 #8B8FE0

Accessibility & contrast

On white

8.50

#3339BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#3339BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3339BE

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3339BE	#FFFFFF	#000000	##FFFFFF
##3339BE	1.00	8.50	2.47	8.50
#FFFFFF	8.50	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053C2

Deuteranopia (green-blind)

#0046BC

Tritanopia (blue-blind)

#005E77

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3339be;
/* rgb */ color: rgb(51, 57, 190);
/* oklch */ color: oklch(43.6% 0.203 272.4);

Tailwind

colors: {
  custom: {
    50: '#8070d3',
    500: '#3339be',
    950: '#000000',
  },
}

SCSS

$custom: #3339be;
$custom-light: #8070d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3339be",
  "rgb": {
    "r": 51,
    "g": 57,
    "b": 190
  },
  "hsl": {
    "h": 237.41,
    "s": 57.676,
    "l": 47.255
  },
  "oklch": {
    "l": 0.43636,
    "c": 0.20268,
    "h": 272.4
  },
  "luminance": 0.07348
}

Semantic roles & 50–950 ramp

primary

#3339BE

secondary

#CAC783

accent

#DA47E1

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3339BE

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

Preview Lab → · Contrast checker → · Palette generator →