#3436B3#3436B3

#3436B3 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 42.1% C 0.192 H 273.8°. Best body text is #FFFFFF at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#3436B3
RGB	rgb(52, 54, 179)
HSL	hsl(239, 55%, 45%)
HSV	hsv(239, 71%, 70%)
CMYK	cmyk(70.9%, 69.8%, 0%, 29.8%)
CIE-LAB	lab(30.93, 40.41, -66.21)
CIE-LCH	lch(30.93, 77.57, 301.39°)
OKLab	oklab(42.14% 0.0127 -0.1914)
OKLCH	oklch(42.14% 0.192 273.8)
XYZ	xyz(10.8693, 6.6220, 43.3444)
Luminance	0.0662 (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

#3436B3 #B3B134

analogous

#3475B3 #3436B3 #7134B3

triadic

#3436B3 #B33436 #36B334

tetradic

#3436B3 #B33475 #B3B134 #34B371

square

#3436B3 #B33475 #B3B134 #34B371

split-complementary

#3436B3 #B37134 #75B334

monochromatic

#181954 #262884 #3436B3 #5658CE #8687DC

Accessibility & contrast

On white

9.03

#3436B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#3436B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3436B3

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3436B3	#FFFFFF	#000000	##FFFFFF
##3436B3	1.00	9.03	2.32	9.03
#FFFFFF	9.03	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB7

Deuteranopia (green-blind)

#0043B1

Tritanopia (blue-blind)

#005870

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3436b3;
/* rgb */ color: rgb(52, 54, 179);
/* oklch */ color: oklch(42.1% 0.192 273.8);

Tailwind

colors: {
  custom: {
    50: '#7e6ecb',
    500: '#3436b3',
    950: '#000000',
  },
}

SCSS

$custom: #3436b3;
$custom-light: #7e6ecb;
$custom-dark: #000000;

JSON

{
  "hex": "#3436b3",
  "rgb": {
    "r": 52,
    "g": 54,
    "b": 179
  },
  "hsl": {
    "h": 239.055,
    "s": 54.978,
    "l": 45.294
  },
  "oklch": {
    "l": 0.42143,
    "c": 0.19183,
    "h": 273.8
  },
  "luminance": 0.06623
}

Semantic roles & 50–950 ramp

primary

#3436B3

secondary

#C5C47D

accent

#DC49DE

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3436B3

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

Preview Lab → · Contrast checker → · Palette generator →