#3439B5#3439B5

#3439B5 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.8% C 0.191 H 273.2°. Best body text is #FFFFFF at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#3439B5
RGB	rgb(52, 57, 181)
HSL	hsl(238, 55%, 46%)
HSV	hsv(238, 71%, 71%)
CMYK	cmyk(71.3%, 68.5%, 0%, 29%)
CIE-LAB	lab(31.79, 39.27, -65.99)
CIE-LCH	lch(31.79, 76.79, 300.76°)
OKLab	oklab(42.82% 0.0106 -0.1908)
OKLCH	oklch(42.82% 0.191 273.2)
XYZ	xyz(11.2170, 6.9914, 44.4654)
Luminance	0.0699 (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

#3439B5 #B5B034

analogous

#347AB5 #3439B5 #6F34B5

triadic

#3439B5 #B53439 #39B534

tetradic

#3439B5 #B5347A #B5B034 #34B56F

square

#3439B5 #B5347A #B5B034 #34B56F

split-complementary

#3439B5 #B56F34 #7AB534

monochromatic

#191B56 #262A85 #3439B5 #575CCF #878ADC

Accessibility & contrast

On white

8.76

#3439B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#3439B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3439B5

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3439B5	#FFFFFF	#000000	##FFFFFF
##3439B5	1.00	8.76	2.40	8.76
#FFFFFF	8.76	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B9

Deuteranopia (green-blind)

#0045B3

Tritanopia (blue-blind)

#005B72

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3439b5;
/* rgb */ color: rgb(52, 57, 181);
/* oklch */ color: oklch(42.8% 0.191 273.2);

Tailwind

colors: {
  custom: {
    50: '#7e70cc',
    500: '#3439b5',
    950: '#000000',
  },
}

SCSS

$custom: #3439b5;
$custom-light: #7e70cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3439b5",
  "rgb": {
    "r": 52,
    "g": 57,
    "b": 181
  },
  "hsl": {
    "h": 237.674,
    "s": 55.365,
    "l": 45.686
  },
  "oklch": {
    "l": 0.42819,
    "c": 0.19105,
    "h": 273.2
  },
  "luminance": 0.06993
}

Semantic roles & 50–950 ramp

primary

#3439B5

secondary

#C6C47F

accent

#D949DF

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #3439B5

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

Preview Lab → · Contrast checker → · Palette generator →