#434FB8#434FB8

#434FB8 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.9% C 0.165 H 273.5°. Best body text is #FFFFFF at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#434FB8
RGB	rgb(67, 79, 184)
HSL	hsl(234, 47%, 49%)
HSV	hsv(234, 64%, 72%)
CMYK	cmyk(63.6%, 57.1%, 0%, 27.8%)
CIE-LAB	lab(38.28, 28.58, -57.13)
CIE-LCH	lch(38.28, 63.88, 296.58°)
OKLab	oklab(47.91% 0.0101 -0.1642)
OKLCH	oklch(47.91% 0.165 273.5)
XYZ	xyz(13.7596, 10.2448, 46.5904)
Luminance	0.1025 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#434FB8 #B8AC43

analogous

#438AB8 #434FB8 #7243B8

triadic

#434FB8 #B8434F #4FB843

tetradic

#434FB8 #B8438A #B8AC43 #43B872

square

#434FB8 #B8438A #B8AC43 #43B872

split-complementary

#434FB8 #B87243 #8AB843

monochromatic

#22285E #333C8B #434FB8 #6E77CA #9BA1DB

Accessibility & contrast

On white

6.89

#434FB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#434FB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #434FB8

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##434FB8	#FFFFFF	#000000	##FFFFFF
##434FB8	1.00	6.89	3.05	6.89
#FFFFFF	6.89	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FBC

Deuteranopia (green-blind)

#0055B6

Tritanopia (blue-blind)

#00687C

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #434fb8;
/* rgb */ color: rgb(67, 79, 184);
/* oklch */ color: oklch(47.9% 0.165 273.5);

Tailwind

colors: {
  custom: {
    50: '#8380ce',
    500: '#434fb8',
    950: '#000000',
  },
}

SCSS

$custom: #434fb8;
$custom-light: #8380ce;
$custom-dark: #000000;

JSON

{
  "hex": "#434fb8",
  "rgb": {
    "r": 67,
    "g": 79,
    "b": 184
  },
  "hsl": {
    "h": 233.846,
    "s": 46.614,
    "l": 49.216
  },
  "oklch": {
    "l": 0.47911,
    "c": 0.16454,
    "h": 273.5
  },
  "luminance": 0.10246
}

Semantic roles & 50–950 ramp

primary

#434FB8

secondary

#C7C190

accent

#C952D6

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #434FB8

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

Preview Lab → · Contrast checker → · Palette generator →