#434B99#434B99

#434B99 is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.8% C 0.126 H 275.7°. Best body text is #FFFFFF at 7.76:1 contrast (WCAG AA passes).

Color values

HEX	#434B99
RGB	rgb(67, 75, 153)
HSL	hsl(234, 39%, 43%)
HSV	hsv(234, 56%, 60%)
CMYK	cmyk(56.2%, 51%, 0%, 40%)
CIE-LAB	lab(35.05, 20.46, -43.86)
CIE-LCH	lch(35.05, 48.40, 295.01°)
OKLab	oklab(44.8% 0.0125 -0.1252)
OKLCH	oklch(44.8% 0.126 275.7)
XYZ	xyz(10.5787, 8.5246, 31.2188)
Luminance	0.0853 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#434B99 #999143

analogous

#437699 #434B99 #664399

triadic

#434B99 #99434B #4B9943

tetradic

#434B99 #994376 #999143 #439966

square

#434B99 #994376 #999143 #439966

split-complementary

#434B99 #996643 #769943

monochromatic

#1E2144 #30366E #434B99 #6068B9 #8A91CC

Accessibility & contrast

On white

7.76

#434B99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#434B99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #434B99

7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##434B99	#FFFFFF	#000000	##FFFFFF
##434B99	1.00	7.76	2.71	7.76
#FFFFFF	7.76	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24569C

Deuteranopia (green-blind)

#174F97

Tritanopia (blue-blind)

#165C6B

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #434b99;
/* rgb */ color: rgb(67, 75, 153);
/* oklch */ color: oklch(44.8% 0.126 275.7);

Tailwind

colors: {
  custom: {
    50: '#7e7db7',
    500: '#434b99',
    950: '#000000',
  },
}

SCSS

$custom: #434b99;
$custom-light: #7e7db7;
$custom-dark: #000000;

JSON

{
  "hex": "#434b99",
  "rgb": {
    "r": 67,
    "g": 75,
    "b": 153
  },
  "hsl": {
    "h": 234.419,
    "s": 39.091,
    "l": 43.137
  },
  "oklch": {
    "l": 0.448,
    "c": 0.12586,
    "h": 275.7
  },
  "luminance": 0.08525
}

Semantic roles & 50–950 ramp

primary

#434B99

secondary

#B7B281

accent

#C459CF

background

#F8F7FB

surface

#EFEEF6

border

#CAC9D0

text

#0A0911

muted

#7C7B80

Preview Lab

Preview with #434B99

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

Preview Lab → · Contrast checker → · Palette generator →