#434FB1#434FB1

#434FB1 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.4% C 0.155 H 273.7°. Best body text is #FFFFFF at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#434FB1
RGB	rgb(67, 79, 177)
HSL	hsl(233, 45%, 48%)
HSV	hsv(233, 62%, 69%)
CMYK	cmyk(62.1%, 55.4%, 0%, 30.6%)
CIE-LAB	lab(37.77, 26.15, -53.83)
CIE-LCH	lch(37.77, 59.84, 295.91°)
OKLab	oklab(47.37% 0.0099 -0.1545)
OKLCH	oklch(47.37% 0.155 273.7)
XYZ	xyz(13.0439, 9.9585, 42.8213)
Luminance	0.0996 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#434FB1 #B1A543

analogous

#4386B1 #434FB1 #6E43B1

triadic

#434FB1 #B1434F #4FB143

tetradic

#434FB1 #B14386 #B1A543 #43B16E

square

#434FB1 #B14386 #B1A543 #43B16E

split-complementary

#434FB1 #B16E43 #86B143

monochromatic

#212758 #323B85 #434FB1 #6A75C7 #979ED8

Accessibility & contrast

On white

7.02

#434FB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#434FB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #434FB1

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##434FB1	#FFFFFF	#000000	##FFFFFF
##434FB1	1.00	7.02	2.99	7.02
#FFFFFF	7.02	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#035EB4

Deuteranopia (green-blind)

#0054AF

Tritanopia (blue-blind)

#006678

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #434fb1;
/* rgb */ color: rgb(67, 79, 177);
/* oklch */ color: oklch(47.4% 0.155 273.7);

Tailwind

colors: {
  custom: {
    50: '#8280c9',
    500: '#434fb1',
    950: '#000000',
  },
}

SCSS

$custom: #434fb1;
$custom-light: #8280c9;
$custom-dark: #000000;

JSON

{
  "hex": "#434fb1",
  "rgb": {
    "r": 67,
    "g": 79,
    "b": 177
  },
  "hsl": {
    "h": 233.455,
    "s": 45.082,
    "l": 47.843
  },
  "oklch": {
    "l": 0.47369,
    "c": 0.15484,
    "h": 273.7
  },
  "luminance": 0.0996
}

Semantic roles & 50–950 ramp

primary

#434FB1

secondary

#C3BD8C

accent

#C753D5

background

#F8F7FC

surface

#F0EEF8

border

#CBC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #434FB1

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

Preview Lab → · Contrast checker → · Palette generator →