#434FC8#434FC8

#434FC8 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 49.2% C 0.186 H 273.1°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#434FC8
RGB	rgb(67, 79, 200)
HSL	hsl(235, 55%, 52%)
HSV	hsv(235, 67%, 78%)
CMYK	cmyk(66.5%, 60.5%, 0%, 21.6%)
CIE-LAB	lab(39.50, 34.13, -64.48)
CIE-LCH	lch(39.50, 72.95, 297.89°)
OKLab	oklab(49.21% 0.0101 -0.1858)
OKLCH	oklch(49.21% 0.186 273.1)
XYZ	xyz(15.5326, 10.9540, 55.9282)
Luminance	0.1095 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.10

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#434FC8 #C8BC43

analogous

#4392C8 #434FC8 #7943C8

triadic

#434FC8 #C8434F #4FC843

tetradic

#434FC8 #C84392 #C8BC43 #43C879

square

#434FC8 #C84392 #C8BC43 #43C879

split-complementary

#434FC8 #C87943 #92C843

monochromatic

#212870 #2F399F #434FC8 #727BD6 #A2A8E4

Accessibility & contrast

On white

6.58

#434FC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#434FC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #434FC8

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##434FC8	#FFFFFF	#000000	##FFFFFF
##434FC8	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063CC

Deuteranopia (green-blind)

#0057C6

Tritanopia (blue-blind)

#006D84

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #434fc8;
/* rgb */ color: rgb(67, 79, 200);
/* oklch */ color: oklch(49.2% 0.186 273.1);

Tailwind

colors: {
  custom: {
    50: '#8780da',
    500: '#434fc8',
    950: '#000000',
  },
}

SCSS

$custom: #434fc8;
$custom-light: #8780da;
$custom-dark: #000000;

JSON

{
  "hex": "#434fc8",
  "rgb": {
    "r": 67,
    "g": 79,
    "b": 200
  },
  "hsl": {
    "h": 234.586,
    "s": 54.733,
    "l": 52.353
  },
  "oklch": {
    "l": 0.49205,
    "c": 0.1861,
    "h": 273.1
  },
  "luminance": 0.10955
}

Semantic roles & 50–950 ramp

primary

#434FC8

secondary

#D0CB96

accent

#D14ADE

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0D0A15

muted

#7D7C83

Preview Lab

Preview with #434FC8

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

Preview Lab → · Contrast checker → · Palette generator →