#3339C5#3339C5

#3339C5 is a dark, highly saturated blue. Relative luminance 0.077; OKLCH L 44.3% C 0.211 H 272.0°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#3339C5
RGB	rgb(51, 57, 197)
HSL	hsl(238, 59%, 49%)
HSV	hsv(238, 74%, 77%)
CMYK	cmyk(74.1%, 71.1%, 0%, 22.7%)
CIE-LAB	lab(33.26, 44.63, -72.99)
CIE-LCH	lch(33.26, 85.55, 301.44°)
OKLab	oklab(44.33% 0.0074 -0.2112)
OKLCH	oklch(44.33% 0.211 272)
XYZ	xyz(12.9030, 7.6599, 53.6110)
Luminance	0.0766 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 3.08

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3339C5 #C5BF33

analogous

#3382C5 #3339C5 #7633C5

triadic

#3339C5 #C53339 #39C533

tetradic

#3339C5 #C53382 #C5BF33 #33C576

square

#3339C5 #C53382 #C5BF33 #33C576

split-complementary

#3339C5 #C57633 #82C533

monochromatic

#1A1D64 #262B94 #3339C5 #5F64D6 #9093E2

Accessibility & contrast

On white

8.29

#3339C5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#3339C5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3339C5

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3339C5	#FFFFFF	#000000	##FFFFFF
##3339C5	1.00	8.29	2.53	8.29
#FFFFFF	8.29	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C9

Deuteranopia (green-blind)

#0047C2

Tritanopia (blue-blind)

#00607B

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3339c5;
/* rgb */ color: rgb(51, 57, 197);
/* oklch */ color: oklch(44.3% 0.211 272.0);

Tailwind

colors: {
  custom: {
    50: '#8170d8',
    500: '#3339c5',
    950: '#000000',
  },
}

SCSS

$custom: #3339c5;
$custom-light: #8170d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3339c5",
  "rgb": {
    "r": 51,
    "g": 57,
    "b": 197
  },
  "hsl": {
    "h": 237.534,
    "s": 58.871,
    "l": 48.627
  },
  "oklch": {
    "l": 0.44331,
    "c": 0.21135,
    "h": 272
  },
  "luminance": 0.07661
}

Semantic roles & 50–950 ramp

primary

#3339C5

secondary

#CDCA87

accent

#DC46E2

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0C0715

muted

#7D7A83

Preview Lab

Preview with #3339C5

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

Preview Lab → · Contrast checker → · Palette generator →