#434FB5#434FB5

#434FB5 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.7% C 0.160 H 273.6°. Best body text is #FFFFFF at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#434FB5
RGB	rgb(67, 79, 181)
HSL	hsl(234, 46%, 49%)
HSV	hsv(234, 63%, 71%)
CMYK	cmyk(63%, 56.4%, 0%, 29%)
CIE-LAB	lab(38.06, 27.54, -55.72)
CIE-LCH	lch(38.06, 62.15, 296.30°)
OKLab	oklab(47.68% 0.0101 -0.1601)
OKLCH	oklch(47.68% 0.16 273.6)
XYZ	xyz(13.4485, 10.1203, 44.9518)
Luminance	0.1012 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#434FB5 #B5A943

analogous

#4388B5 #434FB5 #7043B5

triadic

#434FB5 #B5434F #4FB543

tetradic

#434FB5 #B54388 #B5A943 #43B570

square

#434FB5 #B54388 #B5A943 #43B570

split-complementary

#434FB5 #B57043 #88B543

monochromatic

#22285C #323C88 #434FB5 #6C76C9 #99A0D9

Accessibility & contrast

On white

6.94

#434FB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#434FB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #434FB5

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##434FB5	#FFFFFF	#000000	##FFFFFF
##434FB5	1.00	6.94	3.02	6.94
#FFFFFF	6.94	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FB8

Deuteranopia (green-blind)

#0055B3

Tritanopia (blue-blind)

#00677A

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #434fb5;
/* rgb */ color: rgb(67, 79, 181);
/* oklch */ color: oklch(47.7% 0.160 273.6);

Tailwind

colors: {
  custom: {
    50: '#8380cc',
    500: '#434fb5',
    950: '#000000',
  },
}

SCSS

$custom: #434fb5;
$custom-light: #8380cc;
$custom-dark: #000000;

JSON

{
  "hex": "#434fb5",
  "rgb": {
    "r": 67,
    "g": 79,
    "b": 181
  },
  "hsl": {
    "h": 233.684,
    "s": 45.968,
    "l": 48.627
  },
  "oklch": {
    "l": 0.47677,
    "c": 0.16041,
    "h": 273.6
  },
  "luminance": 0.10121
}

Semantic roles & 50–950 ramp

primary

#434FB5

secondary

#C5C08F

accent

#C852D6

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A13

muted

#7D7C82

Preview Lab

Preview with #434FB5

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

Preview Lab → · Contrast checker → · Palette generator →