#435EC9#435EC9

#435EC9 is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.1% C 0.169 H 269.1°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#435EC9
RGB	rgb(67, 94, 201)
HSL	hsl(228, 55%, 53%)
HSV	hsv(228, 67%, 79%)
CMYK	cmyk(66.7%, 53.2%, 0%, 21.2%)
CIE-LAB	lab(43.38, 24.97, -58.76)
CIE-LCH	lch(43.38, 63.84, 293.02°)
OKLab	oklab(52.12% -0.0026 -0.1688)
OKLCH	oklch(52.12% 0.169 269.1)
XYZ	xyz(16.8565, 13.4142, 56.9479)
Luminance	0.1342 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#435EC9 #C9AE43

analogous

#43A1C9 #435EC9 #6B43C9

triadic

#435EC9 #C9435E #5EC943

tetradic

#435EC9 #C943A1 #C9AE43 #43C96B

square

#435EC9 #C943A1 #C9AE43 #43C96B

split-complementary

#435EC9 #C96B43 #A1C943

monochromatic

#203171 #2E45A1 #435EC9 #7387D7 #A2AFE4

Accessibility & contrast

On white

5.70

#435EC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#435EC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #435EC9

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##435EC9	#FFFFFF	#000000	##FFFFFF
##435EC9	1.00	5.70	3.68	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#136DCD

Deuteranopia (green-blind)

#0061C7

Tritanopia (blue-blind)

#00778A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #435ec9;
/* rgb */ color: rgb(67, 94, 201);
/* oklch */ color: oklch(52.1% 0.169 269.1);

Tailwind

colors: {
  custom: {
    50: '#868bda',
    500: '#435ec9',
    950: '#000000',
  },
}

SCSS

$custom: #435ec9;
$custom-light: #868bda;
$custom-dark: #000000;

JSON

{
  "hex": "#435ec9",
  "rgb": {
    "r": 67,
    "g": 94,
    "b": 201
  },
  "hsl": {
    "h": 227.91,
    "s": 55.372,
    "l": 52.549
  },
  "oklch": {
    "l": 0.52123,
    "c": 0.16886,
    "h": 269.1
  },
  "luminance": 0.13416
}

Semantic roles & 50–950 ramp

primary

#435EC9

secondary

#D1C597

accent

#C149DF

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #435EC9

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

Preview Lab → · Contrast checker → · Palette generator →