#434CC9#434CC9

#434CC9 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.8% C 0.191 H 273.7°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#434CC9
RGB	rgb(67, 76, 201)
HSL	hsl(236, 55%, 53%)
HSV	hsv(236, 67%, 79%)
CMYK	cmyk(66.7%, 62.2%, 0%, 21.2%)
CIE-LAB	lab(38.86, 36.34, -66.11)
CIE-LCH	lch(38.86, 75.44, 298.80°)
OKLab	oklab(48.76% 0.0124 -0.1906)
OKLCH	oklch(48.76% 0.191 273.7)
XYZ	xyz(15.4383, 10.5778, 56.4752)
Luminance	0.1058 (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

#434CC9 #C9C043

analogous

#438FC9 #434CC9 #7D43C9

triadic

#434CC9 #C9434C #4CC943

tetradic

#434CC9 #C9438F #C9C043 #43C97D

square

#434CC9 #C9438F #C9C043 #43C97D

split-complementary

#434CC9 #C97D43 #8FC943

monochromatic

#202671 #2E36A1 #434CC9 #7379D7 #A2A7E4

Accessibility & contrast

On white

6.74

#434CC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#434CC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #434CC9

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##434CC9	#FFFFFF	#000000	##FFFFFF
##434CC9	1.00	6.74	3.12	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062CD

Deuteranopia (green-blind)

#0056C7

Tritanopia (blue-blind)

#006C83

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #434cc9;
/* rgb */ color: rgb(67, 76, 201);
/* oklch */ color: oklch(48.8% 0.191 273.7);

Tailwind

colors: {
  custom: {
    50: '#877eda',
    500: '#434cc9',
    950: '#000000',
  },
}

SCSS

$custom: #434cc9;
$custom-light: #877eda;
$custom-dark: #000000;

JSON

{
  "hex": "#434cc9",
  "rgb": {
    "r": 67,
    "g": 76,
    "b": 201
  },
  "hsl": {
    "h": 235.97,
    "s": 55.372,
    "l": 52.549
  },
  "oklch": {
    "l": 0.48756,
    "c": 0.19105,
    "h": 273.7
  },
  "luminance": 0.10579
}

Semantic roles & 50–950 ramp

primary

#434CC9

secondary

#D1CD97

accent

#D549DF

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0D0A15

muted

#7D7C83

Preview Lab

Preview with #434CC9

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

Preview Lab → · Contrast checker → · Palette generator →