#434EB5#434EB5

#434EB5 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.5% C 0.162 H 273.9°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#434EB5
RGB	rgb(67, 78, 181)
HSL	hsl(234, 46%, 49%)
HSV	hsv(234, 63%, 71%)
CMYK	cmyk(63%, 56.9%, 0%, 29%)
CIE-LAB	lab(37.80, 28.18, -56.13)
CIE-LCH	lch(37.80, 62.81, 296.66°)
OKLab	oklab(47.49% 0.011 -0.1613)
OKLCH	oklch(47.49% 0.162 273.9)
XYZ	xyz(13.3769, 9.9772, 44.9280)
Luminance	0.0998 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#434EB5 #B5AA43

analogous

#4387B5 #434EB5 #7143B5

triadic

#434EB5 #B5434E #4EB543

tetradic

#434EB5 #B54387 #B5AA43 #43B571

square

#434EB5 #B54387 #B5AA43 #43B571

split-complementary

#434EB5 #B57143 #87B543

monochromatic

#22285C #323B88 #434EB5 #6C75C9 #999FD9

Accessibility & contrast

On white

7.01

#434EB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#434EB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #434EB5

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##434EB5	#FFFFFF	#000000	##FFFFFF
##434EB5	1.00	7.01	3.00	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EB8

Deuteranopia (green-blind)

#0054B3

Tritanopia (blue-blind)

#00677A

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #434eb5;
/* rgb */ color: rgb(67, 78, 181);
/* oklch */ color: oklch(47.5% 0.162 273.9);

Tailwind

colors: {
  custom: {
    50: '#837fcc',
    500: '#434eb5',
    950: '#000000',
  },
}

SCSS

$custom: #434eb5;
$custom-light: #837fcc;
$custom-dark: #000000;

JSON

{
  "hex": "#434eb5",
  "rgb": {
    "r": 67,
    "g": 78,
    "b": 181
  },
  "hsl": {
    "h": 234.211,
    "s": 45.968,
    "l": 48.627
  },
  "oklch": {
    "l": 0.47486,
    "c": 0.1617,
    "h": 273.9
  },
  "luminance": 0.09978
}

Semantic roles & 50–950 ramp

primary

#434EB5

secondary

#C5C08F

accent

#C952D6

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A13

muted

#7D7C82

Preview Lab

Preview with #434EB5

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

Preview Lab → · Contrast checker → · Palette generator →