#436DD1#436DD1

#436DD1 is a mid, vivid blue. Relative luminance 0.167; OKLCH L 55.7% C 0.161 H 264.6°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#436DD1
RGB	rgb(67, 109, 209)
HSL	hsl(222, 61%, 54%)
HSV	hsv(222, 68%, 82%)
CMYK	cmyk(67.9%, 47.8%, 0%, 18%)
CIE-LAB	lab(47.92, 18.30, -56.03)
CIE-LCH	lch(47.92, 58.94, 288.09°)
OKLab	oklab(55.74% -0.0152 -0.1606)
OKLCH	oklch(55.74% 0.161 264.6)
XYZ	xyz(19.2880, 16.7321, 62.5224)
Luminance	0.1673 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436DD1 #D1A743

analogous

#43B4D1 #436DD1 #6043D1

triadic

#436DD1 #D1436D #6DD143

tetradic

#436DD1 #D143B4 #D1A743 #43D160

square

#436DD1 #D143B4 #D1A743 #43D160

split-complementary

#436DD1 #D16043 #B4D143

monochromatic

#1E3A7B #2A51AD #436DD1 #7493DD #A5B9E9

Accessibility & contrast

On white

4.83

#436DD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#436DD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436DD1

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436DD1	#FFFFFF	#000000	##FFFFFF
##436DD1	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3879D5

Deuteranopia (green-blind)

#146CCF

Tritanopia (blue-blind)

#008495

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #436dd1;
/* rgb */ color: rgb(67, 109, 209);
/* oklch */ color: oklch(55.7% 0.161 264.6);

Tailwind

colors: {
  custom: {
    50: '#8796e0',
    500: '#436dd1',
    950: '#000000',
  },
}

SCSS

$custom: #436dd1;
$custom-light: #8796e0;
$custom-dark: #000000;

JSON

{
  "hex": "#436dd1",
  "rgb": {
    "r": 67,
    "g": 109,
    "b": 209
  },
  "hsl": {
    "h": 222.254,
    "s": 60.684,
    "l": 54.118
  },
  "oklch": {
    "l": 0.55739,
    "c": 0.1613,
    "h": 264.6
  },
  "luminance": 0.16734
}

Semantic roles & 50–950 ramp

primary

#436DD1

secondary

#D6C49A

accent

#B544E4

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #436DD1

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

Preview Lab → · Contrast checker → · Palette generator →