#436BD5#436BD5

#436BD5 is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.6% C 0.169 H 265.6°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#436BD5
RGB	rgb(67, 107, 213)
HSL	hsl(224, 63%, 55%)
HSV	hsv(224, 69%, 84%)
CMYK	cmyk(68.5%, 49.8%, 0%, 16.5%)
CIE-LAB	lab(47.64, 20.99, -58.76)
CIE-LCH	lch(47.64, 62.40, 289.66°)
OKLab	oklab(55.61% -0.0129 -0.1687)
OKLCH	oklch(55.61% 0.169 265.6)
XYZ	xyz(19.5785, 16.5108, 65.0930)
Luminance	0.1651 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436BD5 #D5AD43

analogous

#43B4D5 #436BD5 #6443D5

triadic

#436BD5 #D5436B #6BD543

tetradic

#436BD5 #D543B4 #D5AD43 #43D564

square

#436BD5 #D543B4 #D5AD43 #43D564

split-complementary

#436BD5 #D56443 #B4D543

monochromatic

#1D3881 #284EB3 #436BD5 #7592E0 #A7BAEB

Accessibility & contrast

On white

4.88

#436BD5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#436BD5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436BD5

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436BD5	#FFFFFF	#000000	##FFFFFF
##436BD5	1.00	4.88	4.30	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E78D9

Deuteranopia (green-blind)

#006BD3

Tritanopia (blue-blind)

#008496

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #436bd5;
/* rgb */ color: rgb(67, 107, 213);
/* oklch */ color: oklch(55.6% 0.169 265.6);

Tailwind

colors: {
  custom: {
    50: '#8794e3',
    500: '#436bd5',
    950: '#000000',
  },
}

SCSS

$custom: #436bd5;
$custom-light: #8794e3;
$custom-dark: #000000;

JSON

{
  "hex": "#436bd5",
  "rgb": {
    "r": 67,
    "g": 107,
    "b": 213
  },
  "hsl": {
    "h": 223.562,
    "s": 63.478,
    "l": 54.902
  },
  "oklch": {
    "l": 0.55606,
    "c": 0.16915,
    "h": 265.6
  },
  "luminance": 0.16513
}

Semantic roles & 50–950 ramp

primary

#436BD5

secondary

#D9C89B

accent

#B941E7

background

#F9F9FD

surface

#F1F1FB

border

#CBCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #436BD5

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

Preview Lab → · Contrast checker → · Palette generator →