#435BC9#435BC9

#435BC9 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.5% C 0.173 H 270.0°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#435BC9
RGB	rgb(67, 91, 201)
HSL	hsl(229, 55%, 53%)
HSV	hsv(229, 67%, 79%)
CMYK	cmyk(66.7%, 54.7%, 0%, 21.2%)
CIE-LAB	lab(42.60, 26.88, -60.03)
CIE-LCH	lch(42.60, 65.77, 294.12°)
OKLab	oklab(51.54% 0.0001 -0.1726)
OKLCH	oklch(51.54% 0.173 270)
XYZ	xyz(16.5949, 12.8910, 56.8607)
Luminance	0.1289 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#435BC9 #C9B143

analogous

#439EC9 #435BC9 #6E43C9

triadic

#435BC9 #C9435B #5BC943

tetradic

#435BC9 #C9439E #C9B143 #43C96E

square

#435BC9 #C9439E #C9B143 #43C96E

split-complementary

#435BC9 #C96E43 #9EC943

monochromatic

#202F71 #2E43A1 #435BC9 #7384D7 #A2AEE4

Accessibility & contrast

On white

5.87

#435BC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#435BC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #435BC9

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##435BC9	#FFFFFF	#000000	##FFFFFF
##435BC9	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BCD

Deuteranopia (green-blind)

#005FC7

Tritanopia (blue-blind)

#007589

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #435bc9;
/* rgb */ color: rgb(67, 91, 201);
/* oklch */ color: oklch(51.5% 0.173 270.0);

Tailwind

colors: {
  custom: {
    50: '#8689da',
    500: '#435bc9',
    950: '#000000',
  },
}

SCSS

$custom: #435bc9;
$custom-light: #8689da;
$custom-dark: #000000;

JSON

{
  "hex": "#435bc9",
  "rgb": {
    "r": 67,
    "g": 91,
    "b": 201
  },
  "hsl": {
    "h": 229.254,
    "s": 55.372,
    "l": 52.549
  },
  "oklch": {
    "l": 0.51535,
    "c": 0.17261,
    "h": 270
  },
  "luminance": 0.12893
}

Semantic roles & 50–950 ramp

primary

#435BC9

secondary

#D1C797

accent

#C449DF

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #435BC9

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

Preview Lab → · Contrast checker → · Palette generator →