#434DCF#434DCF

#434DCF is a mid, vivid blue. Relative luminance 0.110; OKLCH L 49.4% C 0.198 H 273.3°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#434DCF
RGB	rgb(67, 77, 207)
HSL	hsl(236, 59%, 54%)
HSV	hsv(236, 68%, 81%)
CMYK	cmyk(67.6%, 62.8%, 0%, 18.8%)
CIE-LAB	lab(39.59, 37.77, -68.39)
CIE-LCH	lch(39.59, 78.13, 298.91°)
OKLab	oklab(49.44% 0.0114 -0.1973)
OKLCH	oklch(49.44% 0.198 273.3)
XYZ	xyz(16.2273, 11.0045, 60.2883)
Luminance	0.1101 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.51

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#434DCF #CFC543

analogous

#4393CF #434DCF #7F43CF

triadic

#434DCF #CF434D #4DCF43

tetradic

#434DCF #CF4393 #CFC543 #43CF7F

square

#434DCF #CF4393 #CFC543 #43CF7F

split-complementary

#434DCF #CF7F43 #93CF43

monochromatic

#1F2579 #2B34AA #434DCF #747BDB #A5A9E8

Accessibility & contrast

On white

6.56

#434DCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#434DCF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #434DCF

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##434DCF	#FFFFFF	#000000	##FFFFFF
##434DCF	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064D3

Deuteranopia (green-blind)

#0057CC

Tritanopia (blue-blind)

#006E87

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #434dcf;
/* rgb */ color: rgb(67, 77, 207);
/* oklch */ color: oklch(49.4% 0.198 273.3);

Tailwind

colors: {
  custom: {
    50: '#887fdf',
    500: '#434dcf',
    950: '#000000',
  },
}

SCSS

$custom: #434dcf;
$custom-light: #887fdf;
$custom-dark: #000000;

JSON

{
  "hex": "#434dcf",
  "rgb": {
    "r": 67,
    "g": 77,
    "b": 207
  },
  "hsl": {
    "h": 235.714,
    "s": 59.322,
    "l": 53.725
  },
  "oklch": {
    "l": 0.49443,
    "c": 0.19766,
    "h": 273.3
  },
  "luminance": 0.11006
}

Semantic roles & 50–950 ramp

primary

#434DCF

secondary

#D5D199

accent

#D745E3

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #434DCF

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

Preview Lab → · Contrast checker → · Palette generator →