#434FC9#434FC9

#434FC9 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 49.3% C 0.187 H 273.1°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#434FC9
RGB	rgb(67, 79, 201)
HSL	hsl(235, 55%, 53%)
HSV	hsv(235, 67%, 79%)
CMYK	cmyk(66.7%, 60.7%, 0%, 21.2%)
CIE-LAB	lab(39.58, 34.47, -64.93)
CIE-LCH	lch(39.58, 73.51, 297.96°)
OKLab	oklab(49.29% 0.0101 -0.1872)
OKLCH	oklch(49.29% 0.187 273.1)
XYZ	xyz(15.6498, 11.0009, 56.5457)
Luminance	0.1100 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.09

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#434FC9 #C9BD43

analogous

#4392C9 #434FC9 #7A43C9

triadic

#434FC9 #C9434F #4FC943

tetradic

#434FC9 #C94392 #C9BD43 #43C97A

square

#434FC9 #C94392 #C9BD43 #43C97A

split-complementary

#434FC9 #C97A43 #92C943

monochromatic

#202871 #2E38A1 #434FC9 #737CD7 #A2A8E4

Accessibility & contrast

On white

6.56

#434FC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#434FC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #434FC9

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##434FC9	#FFFFFF	#000000	##FFFFFF
##434FC9	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063CD

Deuteranopia (green-blind)

#0057C7

Tritanopia (blue-blind)

#006E84

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #434fc9;
/* rgb */ color: rgb(67, 79, 201);
/* oklch */ color: oklch(49.3% 0.187 273.1);

Tailwind

colors: {
  custom: {
    50: '#8780da',
    500: '#434fc9',
    950: '#000000',
  },
}

SCSS

$custom: #434fc9;
$custom-light: #8780da;
$custom-dark: #000000;

JSON

{
  "hex": "#434fc9",
  "rgb": {
    "r": 67,
    "g": 79,
    "b": 201
  },
  "hsl": {
    "h": 234.627,
    "s": 55.372,
    "l": 52.549
  },
  "oklch": {
    "l": 0.49288,
    "c": 0.18743,
    "h": 273.1
  },
  "luminance": 0.11002
}

Semantic roles & 50–950 ramp

primary

#434FC9

secondary

#D1CC97

accent

#D149DF

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0D0A15

muted

#7D7C83

Preview Lab

Preview with #434FC9

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

Preview Lab → · Contrast checker → · Palette generator →