#434CB5#434CB5

#434CB5 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 47.1% C 0.164 H 274.5°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#434CB5
RGB	rgb(67, 76, 181)
HSL	hsl(235, 46%, 49%)
HSV	hsv(235, 63%, 71%)
CMYK	cmyk(63%, 58%, 0%, 29%)
CIE-LAB	lab(37.29, 29.46, -56.96)
CIE-LCH	lch(37.29, 64.12, 297.35°)
OKLab	oklab(47.11% 0.0129 -0.1638)
OKLCH	oklch(47.11% 0.164 274.5)
XYZ	xyz(13.2369, 9.6973, 44.8813)
Luminance	0.0970 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#434CB5 #B5AC43

analogous

#4385B5 #434CB5 #7343B5

triadic

#434CB5 #B5434C #4CB543

tetradic

#434CB5 #B54385 #B5AC43 #43B573

square

#434CB5 #B54385 #B5AC43 #43B573

split-complementary

#434CB5 #B57343 #85B543

monochromatic

#22265C #323988 #434CB5 #6C74C9 #999ED9

Accessibility & contrast

On white

7.14

#434CB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#434CB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #434CB5

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##434CB5	#FFFFFF	#000000	##FFFFFF
##434CB5	1.00	7.14	2.94	7.14
#FFFFFF	7.14	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DB9

Deuteranopia (green-blind)

#0053B3

Tritanopia (blue-blind)

#006579

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #434cb5;
/* rgb */ color: rgb(67, 76, 181);
/* oklch */ color: oklch(47.1% 0.164 274.5);

Tailwind

colors: {
  custom: {
    50: '#837ecc',
    500: '#434cb5',
    950: '#000000',
  },
}

SCSS

$custom: #434cb5;
$custom-light: #837ecc;
$custom-dark: #000000;

JSON

{
  "hex": "#434cb5",
  "rgb": {
    "r": 67,
    "g": 76,
    "b": 181
  },
  "hsl": {
    "h": 235.263,
    "s": 45.968,
    "l": 48.627
  },
  "oklch": {
    "l": 0.47108,
    "c": 0.16426,
    "h": 274.5
  },
  "luminance": 0.09698
}

Semantic roles & 50–950 ramp

primary

#434CB5

secondary

#C5C18F

accent

#CB52D6

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0913

muted

#7D7B82

Preview Lab

Preview with #434CB5

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

Preview Lab → · Contrast checker → · Palette generator →