#434FB9#434FB9

#434FB9 is a mid, vivid blue. Relative luminance 0.103; OKLCH L 48.0% C 0.166 H 273.5°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#434FB9
RGB	rgb(67, 79, 185)
HSL	hsl(234, 47%, 49%)
HSV	hsv(234, 64%, 73%)
CMYK	cmyk(63.8%, 57.3%, 0%, 27.5%)
CIE-LAB	lab(38.35, 28.93, -57.59)
CIE-LCH	lch(38.35, 64.45, 296.67°)
OKLab	oklab(47.99% 0.0102 -0.1656)
OKLCH	oklch(47.99% 0.166 273.5)
XYZ	xyz(13.8648, 10.2869, 47.1444)
Luminance	0.1029 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#434FB9 #B9AD43

analogous

#438AB9 #434FB9 #7243B9

triadic

#434FB9 #B9434F #4FB943

tetradic

#434FB9 #B9438A #B9AD43 #43B972

square

#434FB9 #B9438A #B9AD43 #43B972

split-complementary

#434FB9 #B97243 #8AB943

monochromatic

#22295F #333C8C #434FB9 #6F78CB #9BA2DB

Accessibility & contrast

On white

6.87

#434FB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#434FB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #434FB9

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##434FB9	#FFFFFF	#000000	##FFFFFF
##434FB9	1.00	6.87	3.06	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060BD

Deuteranopia (green-blind)

#0055B7

Tritanopia (blue-blind)

#00697C

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #434fb9;
/* rgb */ color: rgb(67, 79, 185);
/* oklch */ color: oklch(48.0% 0.166 273.5);

Tailwind

colors: {
  custom: {
    50: '#8480cf',
    500: '#434fb9',
    950: '#000000',
  },
}

SCSS

$custom: #434fb9;
$custom-light: #8480cf;
$custom-dark: #000000;

JSON

{
  "hex": "#434fb9",
  "rgb": {
    "r": 67,
    "g": 79,
    "b": 185
  },
  "hsl": {
    "h": 233.898,
    "s": 46.825,
    "l": 49.412
  },
  "oklch": {
    "l": 0.4799,
    "c": 0.16591,
    "h": 273.5
  },
  "luminance": 0.10288
}

Semantic roles & 50–950 ramp

primary

#434FB9

secondary

#C7C291

accent

#C951D6

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #434FB9

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

Preview Lab → · Contrast checker → · Palette generator →