#434FD9#434FD9

#434FD9 is a mid, highly saturated blue. Relative luminance 0.118; OKLCH L 50.7% C 0.208 H 272.6°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#434FD9
RGB	rgb(67, 79, 217)
HSL	hsl(235, 66%, 56%)
HSV	hsv(235, 69%, 85%)
CMYK	cmyk(69.1%, 63.6%, 0%, 14.9%)
CIE-LAB	lab(40.89, 39.96, -72.02)
CIE-LCH	lch(40.89, 82.36, 299.02°)
OKLab	oklab(50.65% 0.0094 -0.2079)
OKLCH	oklch(50.65% 0.208 272.6)
XYZ	xyz(17.6309, 11.7933, 66.9794)
Luminance	0.1179 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#434FD9 #D9CD43

analogous

#439AD9 #434FD9 #8243D9

triadic

#434FD9 #D9434F #4FD943

tetradic

#434FD9 #D9439A #D9CD43 #43D982

square

#434FD9 #D9439A #D9CD43 #43D982

split-complementary

#434FD9 #D98243 #9AD943

monochromatic

#1B2486 #2531B9 #434FD9 #767FE3 #A9AEEE

Accessibility & contrast

On white

6.25

#434FD9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#434FD9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #434FD9

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##434FD9	#FFFFFF	#000000	##FFFFFF
##434FD9	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067DD

Deuteranopia (green-blind)

#005AD6

Tritanopia (blue-blind)

#00738D

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #434fd9;
/* rgb */ color: rgb(67, 79, 217);
/* oklch */ color: oklch(50.7% 0.208 272.6);

Tailwind

colors: {
  custom: {
    50: '#8a80e6',
    500: '#434fd9',
    950: '#000000',
  },
}

SCSS

$custom: #434fd9;
$custom-light: #8a80e6;
$custom-dark: #000000;

JSON

{
  "hex": "#434fd9",
  "rgb": {
    "r": 67,
    "g": 79,
    "b": 217
  },
  "hsl": {
    "h": 235.2,
    "s": 66.372,
    "l": 55.686
  },
  "oklch": {
    "l": 0.50651,
    "c": 0.20816,
    "h": 272.6
  },
  "luminance": 0.11795
}

Semantic roles & 50–950 ramp

primary

#434FD9

secondary

#DBD69D

accent

#DC3FE9

background

#F9F7FE

surface

#F2EEFC

border

#CCC9D5

text

#0D0A16

muted

#7E7C84

Preview Lab

Preview with #434FD9

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

Preview Lab → · Contrast checker → · Palette generator →