#436CD5#436CD5

#436CD5 is a mid, vivid blue. Relative luminance 0.167; OKLCH L 55.8% C 0.168 H 265.3°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#436CD5
RGB	rgb(67, 108, 213)
HSL	hsl(223, 63%, 55%)
HSV	hsv(223, 69%, 84%)
CMYK	cmyk(68.5%, 49.3%, 0%, 16.5%)
CIE-LAB	lab(47.91, 20.36, -58.33)
CIE-LCH	lch(47.91, 61.78, 289.24°)
OKLab	oklab(55.81% -0.0138 -0.1674)
OKLCH	oklch(55.81% 0.168 265.3)
XYZ	xyz(19.6833, 16.7205, 65.1279)
Luminance	0.1672 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436CD5 #D5AC43

analogous

#43B5D5 #436CD5 #6343D5

triadic

#436CD5 #D5436C #6CD543

tetradic

#436CD5 #D543B5 #D5AC43 #43D563

square

#436CD5 #D543B5 #D5AC43 #43D563

split-complementary

#436CD5 #D56343 #B5D543

monochromatic

#1D3981 #284FB3 #436CD5 #7593E0 #A7BAEB

Accessibility & contrast

On white

4.83

#436CD5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#436CD5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436CD5

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436CD5	#FFFFFF	#000000	##FFFFFF
##436CD5	1.00	4.83	4.34	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3079D9

Deuteranopia (green-blind)

#006BD3

Tritanopia (blue-blind)

#008596

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #436cd5;
/* rgb */ color: rgb(67, 108, 213);
/* oklch */ color: oklch(55.8% 0.168 265.3);

Tailwind

colors: {
  custom: {
    50: '#8795e3',
    500: '#436cd5',
    950: '#000000',
  },
}

SCSS

$custom: #436cd5;
$custom-light: #8795e3;
$custom-dark: #000000;

JSON

{
  "hex": "#436cd5",
  "rgb": {
    "r": 67,
    "g": 108,
    "b": 213
  },
  "hsl": {
    "h": 223.151,
    "s": 63.478,
    "l": 54.902
  },
  "oklch": {
    "l": 0.5581,
    "c": 0.16795,
    "h": 265.3
  },
  "luminance": 0.16723
}

Semantic roles & 50–950 ramp

primary

#436CD5

secondary

#D9C79B

accent

#B841E7

background

#F9F9FD

surface

#F1F1FB

border

#CBCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #436CD5

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

Preview Lab → · Contrast checker → · Palette generator →