#3439C4#3439C4

#3439C4 is a dark, highly saturated blue. Relative luminance 0.076; OKLCH L 44.3% C 0.210 H 272.4°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#3439C4
RGB	rgb(52, 57, 196)
HSL	hsl(238, 58%, 49%)
HSV	hsv(238, 73%, 77%)
CMYK	cmyk(73.5%, 70.9%, 0%, 23.1%)
CIE-LAB	lab(33.22, 44.39, -72.47)
CIE-LCH	lch(33.22, 84.98, 301.49°)
OKLab	oklab(44.29% 0.0086 -0.2097)
OKLCH	oklch(44.29% 0.21 272.4)
XYZ	xyz(12.8398, 7.6405, 53.0119)
Luminance	0.0764 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 3.14

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3439C4 #C4BF34

analogous

#3481C4 #3439C4 #7734C4

triadic

#3439C4 #C43439 #39C434

tetradic

#3439C4 #C43481 #C4BF34 #34C477

square

#3439C4 #C43481 #C4BF34 #34C477

split-complementary

#3439C4 #C47734 #81C434

monochromatic

#1A1D63 #272B94 #3439C4 #6064D5 #9193E2

Accessibility & contrast

On white

8.31

#3439C4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#3439C4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3439C4

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3439C4	#FFFFFF	#000000	##FFFFFF
##3439C4	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C8

Deuteranopia (green-blind)

#0047C1

Tritanopia (blue-blind)

#00607A

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3439c4;
/* rgb */ color: rgb(52, 57, 196);
/* oklch */ color: oklch(44.3% 0.210 272.4);

Tailwind

colors: {
  custom: {
    50: '#8170d7',
    500: '#3439c4',
    950: '#000000',
  },
}

SCSS

$custom: #3439c4;
$custom-light: #8170d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3439c4",
  "rgb": {
    "r": 52,
    "g": 57,
    "b": 196
  },
  "hsl": {
    "h": 237.917,
    "s": 58.065,
    "l": 48.627
  },
  "oklch": {
    "l": 0.44287,
    "c": 0.20986,
    "h": 272.4
  },
  "luminance": 0.07642
}

Semantic roles & 50–950 ramp

primary

#3439C4

secondary

#CCCA87

accent

#DC47E1

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0715

muted

#7D7A83

Preview Lab

Preview with #3439C4

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

Preview Lab → · Contrast checker → · Palette generator →