#434BB1#434BB1

#434BB1 is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.6% C 0.160 H 274.9°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#434BB1
RGB	rgb(67, 75, 177)
HSL	hsl(236, 45%, 48%)
HSV	hsv(236, 62%, 69%)
CMYK	cmyk(62.1%, 57.6%, 0%, 30.6%)
CIE-LAB	lab(36.74, 28.72, -55.49)
CIE-LCH	lch(36.74, 62.48, 297.36°)
OKLab	oklab(46.6% 0.0138 -0.1595)
OKLCH	oklch(46.6% 0.16 274.9)
XYZ	xyz(12.7640, 9.3987, 42.7280)
Luminance	0.0940 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.23

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#434BB1 #B1A943

analogous

#4382B1 #434BB1 #7243B1

triadic

#434BB1 #B1434B #4BB143

tetradic

#434BB1 #B14382 #B1A943 #43B172

square

#434BB1 #B14382 #B1A943 #43B172

split-complementary

#434BB1 #B17243 #82B143

monochromatic

#212558 #323885 #434BB1 #6A71C7 #979CD8

Accessibility & contrast

On white

7.29

#434BB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#434BB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #434BB1

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##434BB1	#FFFFFF	#000000	##FFFFFF
##434BB1	1.00	7.29	2.88	7.29
#FFFFFF	7.29	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB4

Deuteranopia (green-blind)

#0052AF

Tritanopia (blue-blind)

#006376

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #434bb1;
/* rgb */ color: rgb(67, 75, 177);
/* oklch */ color: oklch(46.6% 0.160 274.9);

Tailwind

colors: {
  custom: {
    50: '#827dc9',
    500: '#434bb1',
    950: '#000000',
  },
}

SCSS

$custom: #434bb1;
$custom-light: #827dc9;
$custom-dark: #000000;

JSON

{
  "hex": "#434bb1",
  "rgb": {
    "r": 67,
    "g": 75,
    "b": 177
  },
  "hsl": {
    "h": 235.636,
    "s": 45.082,
    "l": 47.843
  },
  "oklch": {
    "l": 0.46603,
    "c": 0.16005,
    "h": 274.9
  },
  "luminance": 0.094
}

Semantic roles & 50–950 ramp

primary

#434BB1

secondary

#C3BF8C

accent

#CB53D5

background

#F8F7FC

surface

#F0EEF8

border

#CBC9D1

text

#0C0913

muted

#7D7B82

Preview Lab

Preview with #434BB1

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

Preview Lab → · Contrast checker → · Palette generator →