#434EC9#434EC9

#434EC9 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 49.1% C 0.189 H 273.3°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#434EC9
RGB	rgb(67, 78, 201)
HSL	hsl(235, 55%, 53%)
HSV	hsv(235, 67%, 79%)
CMYK	cmyk(66.7%, 61.2%, 0%, 21.2%)
CIE-LAB	lab(39.34, 35.10, -65.32)
CIE-LCH	lch(39.34, 74.15, 298.25°)
OKLab	oklab(49.11% 0.0109 -0.1883)
OKLCH	oklch(49.11% 0.189 273.3)
XYZ	xyz(15.5782, 10.8577, 56.5218)
Luminance	0.1086 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.79

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#434EC9 #C9BE43

analogous

#4391C9 #434EC9 #7B43C9

triadic

#434EC9 #C9434E #4EC943

tetradic

#434EC9 #C94391 #C9BE43 #43C97B

square

#434EC9 #C94391 #C9BE43 #43C97B

split-complementary

#434EC9 #C97B43 #91C943

monochromatic

#202771 #2E38A1 #434EC9 #737BD7 #A2A8E4

Accessibility & contrast

On white

6.62

#434EC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#434EC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #434EC9

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##434EC9	#FFFFFF	#000000	##FFFFFF
##434EC9	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063CD

Deuteranopia (green-blind)

#0057C7

Tritanopia (blue-blind)

#006D84

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #434ec9;
/* rgb */ color: rgb(67, 78, 201);
/* oklch */ color: oklch(49.1% 0.189 273.3);

Tailwind

colors: {
  custom: {
    50: '#877fda',
    500: '#434ec9',
    950: '#000000',
  },
}

SCSS

$custom: #434ec9;
$custom-light: #877fda;
$custom-dark: #000000;

JSON

{
  "hex": "#434ec9",
  "rgb": {
    "r": 67,
    "g": 78,
    "b": 201
  },
  "hsl": {
    "h": 235.075,
    "s": 55.372,
    "l": 52.549
  },
  "oklch": {
    "l": 0.49109,
    "c": 0.18864,
    "h": 273.3
  },
  "luminance": 0.10859
}

Semantic roles & 50–950 ramp

primary

#434EC9

secondary

#D1CC97

accent

#D249DF

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0D0A15

muted

#7D7C83

Preview Lab

Preview with #434EC9

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

Preview Lab → · Contrast checker → · Palette generator →