#434DBB#434DBB

#434DBB is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.8% C 0.171 H 274.0°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#434DBB
RGB	rgb(67, 77, 187)
HSL	hsl(235, 47%, 50%)
HSV	hsv(235, 64%, 73%)
CMYK	cmyk(64.2%, 58.8%, 0%, 26.7%)
CIE-LAB	lab(38.00, 30.89, -59.34)
CIE-LCH	lch(38.00, 66.90, 297.50°)
OKLab	oklab(47.78% 0.012 -0.1708)
OKLCH	oklch(47.78% 0.171 274)
XYZ	xyz(13.9353, 10.0877, 48.2168)
Luminance	0.1009 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#434DBB #BBB143

analogous

#4389BB #434DBB #7543BB

triadic

#434DBB #BB434D #4DBB43

tetradic

#434DBB #BB4389 #BBB143 #43BB75

square

#434DBB #BB4389 #BBB143 #43BB75

split-complementary

#434DBB #BB7543 #89BB43

monochromatic

#232861 #333A8E #434DBB #7077CC #9DA2DC

Accessibility & contrast

On white

6.96

#434DBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#434DBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #434DBB

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##434DBB	#FFFFFF	#000000	##FFFFFF
##434DBB	1.00	6.96	3.02	6.96
#FFFFFF	6.96	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FBF

Deuteranopia (green-blind)

#0054B9

Tritanopia (blue-blind)

#00687C

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #434dbb;
/* rgb */ color: rgb(67, 77, 187);
/* oklch */ color: oklch(47.8% 0.171 274.0);

Tailwind

colors: {
  custom: {
    50: '#847ed0',
    500: '#434dbb',
    950: '#000000',
  },
}

SCSS

$custom: #434dbb;
$custom-light: #847ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#434dbb",
  "rgb": {
    "r": 67,
    "g": 77,
    "b": 187
  },
  "hsl": {
    "h": 235,
    "s": 47.244,
    "l": 49.804
  },
  "oklch": {
    "l": 0.47775,
    "c": 0.17118,
    "h": 274
  },
  "luminance": 0.10089
}

Semantic roles & 50–950 ramp

primary

#434DBB

secondary

#C8C492

accent

#CC51D7

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #434DBB

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

Preview Lab → · Contrast checker → · Palette generator →