#436CD8#436CD8

#436CD8 is a mid, vivid blue. Relative luminance 0.169; OKLCH L 56.0% C 0.172 H 265.5°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#436CD8
RGB	rgb(67, 108, 216)
HSL	hsl(223, 66%, 55%)
HSV	hsv(223, 69%, 85%)
CMYK	cmyk(69%, 50%, 0%, 15.3%)
CIE-LAB	lab(48.10, 21.43, -59.72)
CIE-LCH	lch(48.10, 63.45, 289.74°)
OKLab	oklab(56.02% -0.0134 -0.1715)
OKLCH	oklch(56.02% 0.172 265.5)
XYZ	xyz(20.0676, 16.8743, 67.1519)
Luminance	0.1688 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436CD8 #D8AF43

analogous

#43B6D8 #436CD8 #6443D8

triadic

#436CD8 #D8436C #6CD843

tetradic

#436CD8 #D843B6 #D8AF43 #43D864

square

#436CD8 #D843B6 #D8AF43 #43D864

split-complementary

#436CD8 #D86443 #B6D843

monochromatic

#1C3985 #264EB8 #436CD8 #7694E3 #A8BBED

Accessibility & contrast

On white

4.80

#436CD8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#436CD8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436CD8

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436CD8	#FFFFFF	#000000	##FFFFFF
##436CD8	1.00	4.80	4.38	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D79DC

Deuteranopia (green-blind)

#006CD6

Tritanopia (blue-blind)

#008698

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #436cd8;
/* rgb */ color: rgb(67, 108, 216);
/* oklch */ color: oklch(56.0% 0.172 265.5);

Tailwind

colors: {
  custom: {
    50: '#8895e5',
    500: '#436cd8',
    950: '#000000',
  },
}

SCSS

$custom: #436cd8;
$custom-light: #8895e5;
$custom-dark: #000000;

JSON

{
  "hex": "#436cd8",
  "rgb": {
    "r": 67,
    "g": 108,
    "b": 216
  },
  "hsl": {
    "h": 223.49,
    "s": 65.639,
    "l": 55.49
  },
  "oklch": {
    "l": 0.56021,
    "c": 0.172,
    "h": 265.5
  },
  "luminance": 0.16876
}

Semantic roles & 50–950 ramp

primary

#436CD8

secondary

#DAC99C

accent

#BA3FE9

background

#F9F9FE

surface

#F1F1FC

border

#CBCBD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #436CD8

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

Preview Lab → · Contrast checker → · Palette generator →