#434CB1#434CB1

#434CB1 is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.8% C 0.159 H 274.6°. Best body text is #FFFFFF at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#434CB1
RGB	rgb(67, 76, 177)
HSL	hsl(235, 45%, 48%)
HSV	hsv(235, 62%, 69%)
CMYK	cmyk(62.1%, 57.1%, 0%, 30.6%)
CIE-LAB	lab(37.00, 28.07, -55.08)
CIE-LCH	lch(37.00, 61.82, 297.01°)
OKLab	oklab(46.79% 0.0128 -0.1582)
OKLCH	oklch(46.79% 0.159 274.6)
XYZ	xyz(12.8324, 9.5355, 42.7507)
Luminance	0.0954 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#434CB1 #B1A843

analogous

#4383B1 #434CB1 #7143B1

triadic

#434CB1 #B1434C #4CB143

tetradic

#434CB1 #B14383 #B1A843 #43B171

square

#434CB1 #B14383 #B1A843 #43B171

split-complementary

#434CB1 #B17143 #83B143

monochromatic

#212658 #323985 #434CB1 #6A72C7 #979CD8

Accessibility & contrast

On white

7.22

#434CB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#434CB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #434CB1

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##434CB1	#FFFFFF	#000000	##FFFFFF
##434CB1	1.00	7.22	2.91	7.22
#FFFFFF	7.22	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CB4

Deuteranopia (green-blind)

#0052AF

Tritanopia (blue-blind)

#006477

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #434cb1;
/* rgb */ color: rgb(67, 76, 177);
/* oklch */ color: oklch(46.8% 0.159 274.6);

Tailwind

colors: {
  custom: {
    50: '#827ec9',
    500: '#434cb1',
    950: '#000000',
  },
}

SCSS

$custom: #434cb1;
$custom-light: #827ec9;
$custom-dark: #000000;

JSON

{
  "hex": "#434cb1",
  "rgb": {
    "r": 67,
    "g": 76,
    "b": 177
  },
  "hsl": {
    "h": 235.091,
    "s": 45.082,
    "l": 47.843
  },
  "oklch": {
    "l": 0.46792,
    "c": 0.15876,
    "h": 274.6
  },
  "luminance": 0.09536
}

Semantic roles & 50–950 ramp

primary

#434CB1

secondary

#C3BF8C

accent

#CA53D5

background

#F8F7FC

surface

#F0EEF8

border

#CBC9D1

text

#0C0913

muted

#7D7B82

Preview Lab

Preview with #434CB1

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

Preview Lab → · Contrast checker → · Palette generator →