#434BB9#434BB9

#434BB9 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 47.2% C 0.171 H 274.6°. Best body text is #FFFFFF at 7.13:1 contrast (WCAG AA passes).

Color values

HEX	#434BB9
RGB	rgb(67, 75, 185)
HSL	hsl(236, 47%, 49%)
HSV	hsv(236, 64%, 73%)
CMYK	cmyk(63.8%, 59.5%, 0%, 27.5%)
CIE-LAB	lab(37.35, 31.47, -59.23)
CIE-LCH	lch(37.35, 67.07, 297.99°)
OKLab	oklab(47.24% 0.0138 -0.1704)
OKLCH	oklch(47.24% 0.171 274.6)
XYZ	xyz(13.5849, 9.7271, 47.0512)
Luminance	0.0973 (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

#434BB9 #B9B143

analogous

#4386B9 #434BB9 #7643B9

triadic

#434BB9 #B9434B #4BB943

tetradic

#434BB9 #B94386 #B9B143 #43B976

square

#434BB9 #B94386 #B9B143 #43B976

split-complementary

#434BB9 #B97643 #86B943

monochromatic

#22275F #33398C #434BB9 #6F75CB #9BA0DB

Accessibility & contrast

On white

7.13

#434BB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#434BB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #434BB9

7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##434BB9	#FFFFFF	#000000	##FFFFFF
##434BB9	1.00	7.13	2.95	7.13
#FFFFFF	7.13	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DBD

Deuteranopia (green-blind)

#0053B7

Tritanopia (blue-blind)

#00667B

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #434bb9;
/* rgb */ color: rgb(67, 75, 185);
/* oklch */ color: oklch(47.2% 0.171 274.6);

Tailwind

colors: {
  custom: {
    50: '#847dcf',
    500: '#434bb9',
    950: '#000000',
  },
}

SCSS

$custom: #434bb9;
$custom-light: #847dcf;
$custom-dark: #000000;

JSON

{
  "hex": "#434bb9",
  "rgb": {
    "r": 67,
    "g": 75,
    "b": 185
  },
  "hsl": {
    "h": 235.932,
    "s": 46.825,
    "l": 49.412
  },
  "oklch": {
    "l": 0.47244,
    "c": 0.17099,
    "h": 274.6
  },
  "luminance": 0.09728
}

Semantic roles & 50–950 ramp

primary

#434BB9

secondary

#C7C391

accent

#CD51D6

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #434BB9

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

Preview Lab → · Contrast checker → · Palette generator →