#434BB5#434BB5

#434BB5 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.9% C 0.166 H 274.8°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#434BB5
RGB	rgb(67, 75, 181)
HSL	hsl(236, 46%, 49%)
HSV	hsv(236, 63%, 71%)
CMYK	cmyk(63%, 58.6%, 0%, 29%)
CIE-LAB	lab(37.04, 30.09, -57.37)
CIE-LCH	lch(37.04, 64.78, 297.68°)
OKLab	oklab(46.92% 0.0138 -0.165)
OKLCH	oklch(46.92% 0.166 274.8)
XYZ	xyz(13.1686, 9.5606, 44.8585)
Luminance	0.0956 (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

#434BB5 #B5AD43

analogous

#4384B5 #434BB5 #7443B5

triadic

#434BB5 #B5434B #4BB543

tetradic

#434BB5 #B54384 #B5AD43 #43B574

square

#434BB5 #B54384 #B5AD43 #43B574

split-complementary

#434BB5 #B57443 #84B543

monochromatic

#22265C #323888 #434BB5 #6C73C9 #999ED9

Accessibility & contrast

On white

7.21

#434BB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#434BB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #434BB5

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##434BB5	#FFFFFF	#000000	##FFFFFF
##434BB5	1.00	7.21	2.91	7.21
#FFFFFF	7.21	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CB9

Deuteranopia (green-blind)

#0052B3

Tritanopia (blue-blind)

#006578

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #434bb5;
/* rgb */ color: rgb(67, 75, 181);
/* oklch */ color: oklch(46.9% 0.166 274.8);

Tailwind

colors: {
  custom: {
    50: '#837dcc',
    500: '#434bb5',
    950: '#000000',
  },
}

SCSS

$custom: #434bb5;
$custom-light: #837dcc;
$custom-dark: #000000;

JSON

{
  "hex": "#434bb5",
  "rgb": {
    "r": 67,
    "g": 75,
    "b": 181
  },
  "hsl": {
    "h": 235.789,
    "s": 45.968,
    "l": 48.627
  },
  "oklch": {
    "l": 0.46921,
    "c": 0.16556,
    "h": 274.8
  },
  "luminance": 0.09562
}

Semantic roles & 50–950 ramp

primary

#434BB5

secondary

#C5C18F

accent

#CC52D6

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0913

muted

#7D7B82

Preview Lab

Preview with #434BB5

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

Preview Lab → · Contrast checker → · Palette generator →