#435DC9#435DC9

#435DC9 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.9% C 0.170 H 269.4°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#435DC9
RGB	rgb(67, 93, 201)
HSL	hsl(228, 55%, 53%)
HSV	hsv(228, 67%, 79%)
CMYK	cmyk(66.7%, 53.7%, 0%, 21.2%)
CIE-LAB	lab(43.12, 25.60, -59.18)
CIE-LCH	lch(43.12, 64.48, 293.39°)
OKLab	oklab(51.93% -0.0017 -0.1701)
OKLCH	oklch(51.93% 0.17 269.4)
XYZ	xyz(16.7681, 13.2375, 56.9184)
Luminance	0.1324 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#435DC9 #C9AF43

analogous

#43A0C9 #435DC9 #6C43C9

triadic

#435DC9 #C9435D #5DC943

tetradic

#435DC9 #C943A0 #C9AF43 #43C96C

square

#435DC9 #C943A0 #C9AF43 #43C96C

split-complementary

#435DC9 #C96C43 #A0C943

monochromatic

#203071 #2E44A1 #435DC9 #7386D7 #A2AFE4

Accessibility & contrast

On white

5.76

#435DC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#435DC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #435DC9

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##435DC9	#FFFFFF	#000000	##FFFFFF
##435DC9	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D6CCD

Deuteranopia (green-blind)

#0060C7

Tritanopia (blue-blind)

#00778A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #435dc9;
/* rgb */ color: rgb(67, 93, 201);
/* oklch */ color: oklch(51.9% 0.170 269.4);

Tailwind

colors: {
  custom: {
    50: '#868ada',
    500: '#435dc9',
    950: '#000000',
  },
}

SCSS

$custom: #435dc9;
$custom-light: #868ada;
$custom-dark: #000000;

JSON

{
  "hex": "#435dc9",
  "rgb": {
    "r": 67,
    "g": 93,
    "b": 201
  },
  "hsl": {
    "h": 228.358,
    "s": 55.372,
    "l": 52.549
  },
  "oklch": {
    "l": 0.51926,
    "c": 0.17012,
    "h": 269.4
  },
  "luminance": 0.13239
}

Semantic roles & 50–950 ramp

primary

#435DC9

secondary

#D1C697

accent

#C249DF

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #435DC9

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

Preview Lab → · Contrast checker → · Palette generator →