#436FD5#436FD5

#436FD5 is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.4% C 0.164 H 264.3°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#436FD5
RGB	rgb(67, 111, 213)
HSL	hsl(222, 63%, 55%)
HSV	hsv(222, 69%, 84%)
CMYK	cmyk(68.5%, 47.9%, 0%, 16.5%)
CIE-LAB	lab(48.72, 18.47, -57.03)
CIE-LCH	lch(48.72, 59.94, 287.95°)
OKLab	oklab(56.43% -0.0165 -0.1635)
OKLCH	oklch(56.43% 0.164 264.3)
XYZ	xyz(20.0052, 17.3643, 65.2352)
Luminance	0.1737 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436FD5 #D5A943

analogous

#43B8D5 #436FD5 #6043D5

triadic

#436FD5 #D5436F #6FD543

tetradic

#436FD5 #D543B8 #D5A943 #43D560

square

#436FD5 #D543B8 #D5A943 #43D560

split-complementary

#436FD5 #D56043 #B8D543

monochromatic

#1D3B81 #2852B3 #436FD5 #7595E0 #A7BCEB

Accessibility & contrast

On white

4.69

#436FD5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#436FD5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436FD5

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436FD5	#FFFFFF	#000000	##FFFFFF
##436FD5	1.00	4.69	4.47	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#387BD9

Deuteranopia (green-blind)

#116DD3

Tritanopia (blue-blind)

#008798

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #436fd5;
/* rgb */ color: rgb(67, 111, 213);
/* oklch */ color: oklch(56.4% 0.164 264.3);

Tailwind

colors: {
  custom: {
    50: '#8797e2',
    500: '#436fd5',
    950: '#000000',
  },
}

SCSS

$custom: #436fd5;
$custom-light: #8797e2;
$custom-dark: #000000;

JSON

{
  "hex": "#436fd5",
  "rgb": {
    "r": 67,
    "g": 111,
    "b": 213
  },
  "hsl": {
    "h": 221.918,
    "s": 63.478,
    "l": 54.902
  },
  "oklch": {
    "l": 0.56428,
    "c": 0.16432,
    "h": 264.3
  },
  "luminance": 0.17366
}

Semantic roles & 50–950 ramp

primary

#436FD5

secondary

#D9C69B

accent

#B541E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0D15

muted

#7D7E83

Preview Lab

Preview with #436FD5

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

Preview Lab → · Contrast checker → · Palette generator →