#434FD1#434FD1

#434FD1 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 50.0% C 0.198 H 272.8°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#434FD1
RGB	rgb(67, 79, 209)
HSL	hsl(235, 61%, 54%)
HSV	hsv(235, 68%, 82%)
CMYK	cmyk(67.9%, 62.2%, 0%, 18%)
CIE-LAB	lab(40.22, 37.22, -68.50)
CIE-LCH	lch(40.22, 77.96, 298.52°)
OKLab	oklab(49.96% 0.0098 -0.1976)
OKLCH	oklch(49.96% 0.198 272.8)
XYZ	xyz(16.6155, 11.3871, 61.6315)
Luminance	0.1139 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#434FD1 #D1C543

analogous

#4396D1 #434FD1 #7E43D1

triadic

#434FD1 #D1434F #4FD143

tetradic

#434FD1 #D14396 #D1C543 #43D17E

square

#434FD1 #D14396 #D1C543 #43D17E

split-complementary

#434FD1 #D17E43 #96D143

monochromatic

#1E267B #2A35AD #434FD1 #747DDD #A5ABE9

Accessibility & contrast

On white

6.41

#434FD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#434FD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #434FD1

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##434FD1	#FFFFFF	#000000	##FFFFFF
##434FD1	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065D5

Deuteranopia (green-blind)

#0058CE

Tritanopia (blue-blind)

#007088

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #434fd1;
/* rgb */ color: rgb(67, 79, 209);
/* oklch */ color: oklch(50.0% 0.198 272.8);

Tailwind

colors: {
  custom: {
    50: '#8880e0',
    500: '#434fd1',
    950: '#000000',
  },
}

SCSS

$custom: #434fd1;
$custom-light: #8880e0;
$custom-dark: #000000;

JSON

{
  "hex": "#434fd1",
  "rgb": {
    "r": 67,
    "g": 79,
    "b": 209
  },
  "hsl": {
    "h": 234.93,
    "s": 60.684,
    "l": 54.118
  },
  "oklch": {
    "l": 0.49962,
    "c": 0.19789,
    "h": 272.8
  },
  "luminance": 0.11389
}

Semantic roles & 50–950 ramp

primary

#434FD1

secondary

#D6D19A

accent

#D644E4

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #434FD1

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

Preview Lab → · Contrast checker → · Palette generator →