#436CD1#436CD1

#436CD1 is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.5% C 0.163 H 265.0°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#436CD1
RGB	rgb(67, 108, 209)
HSL	hsl(223, 61%, 54%)
HSV	hsv(223, 68%, 82%)
CMYK	cmyk(67.9%, 48.3%, 0%, 18%)
CIE-LAB	lab(47.65, 18.93, -56.46)
CIE-LCH	lch(47.65, 59.55, 288.54°)
OKLab	oklab(55.53% -0.0143 -0.1619)
OKLCH	oklch(55.53% 0.163 265)
XYZ	xyz(19.1819, 16.5200, 62.4870)
Luminance	0.1652 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436CD1 #D1A843

analogous

#43B3D1 #436CD1 #6143D1

triadic

#436CD1 #D1436C #6CD143

tetradic

#436CD1 #D143B3 #D1A843 #43D161

square

#436CD1 #D143B3 #D1A843 #43D161

split-complementary

#436CD1 #D16143 #B3D143

monochromatic

#1E397B #2A50AD #436CD1 #7492DD #A5B9E9

Accessibility & contrast

On white

4.88

#436CD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#436CD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436CD1

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436CD1	#FFFFFF	#000000	##FFFFFF
##436CD1	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)

#3578D5

Deuteranopia (green-blind)

#0E6BCF

Tritanopia (blue-blind)

#008494

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #436cd1;
/* rgb */ color: rgb(67, 108, 209);
/* oklch */ color: oklch(55.5% 0.163 265.0);

Tailwind

colors: {
  custom: {
    50: '#8795e0',
    500: '#436cd1',
    950: '#000000',
  },
}

SCSS

$custom: #436cd1;
$custom-light: #8795e0;
$custom-dark: #000000;

JSON

{
  "hex": "#436cd1",
  "rgb": {
    "r": 67,
    "g": 108,
    "b": 209
  },
  "hsl": {
    "h": 222.676,
    "s": 60.684,
    "l": 54.118
  },
  "oklch": {
    "l": 0.55532,
    "c": 0.16251,
    "h": 265
  },
  "luminance": 0.16522
}

Semantic roles & 50–950 ramp

primary

#436CD1

secondary

#D6C59A

accent

#B644E4

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #436CD1

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

Preview Lab → · Contrast checker → · Palette generator →