#436BC1#436BC1

#436BC1 is a mid, vivid blue. Relative luminance 0.156; OKLCH L 54.2% C 0.142 H 263.6°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#436BC1
RGB	rgb(67, 107, 193)
HSL	hsl(221, 50%, 51%)
HSV	hsv(221, 65%, 76%)
CMYK	cmyk(65.3%, 44.6%, 0%, 24.3%)
CIE-LAB	lab(46.39, 13.87, -49.30)
CIE-LCH	lch(46.39, 51.22, 285.71°)
OKLab	oklab(54.25% -0.0158 -0.1408)
OKLCH	oklch(54.25% 0.142 263.6)
XYZ	xyz(17.1947, 15.5573, 52.5384)
Luminance	0.1556 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436BC1 #C19943

analogous

#43AAC1 #436BC1 #5A43C1

triadic

#436BC1 #C1436B #6BC143

tetradic

#436BC1 #C143AA #C19943 #43C15A

square

#436BC1 #C143AA #C19943 #43C15A

split-complementary

#436BC1 #C15A43 #AAC143

monochromatic

#223867 #315195 #436BC1 #718FD0 #9FB3DF

Accessibility & contrast

On white

5.11

#436BC1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#436BC1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436BC1

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436BC1	#FFFFFF	#000000	##FFFFFF
##436BC1	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4274C4

Deuteranopia (green-blind)

#2C69BF

Tritanopia (blue-blind)

#007F8C

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #436bc1;
/* rgb */ color: rgb(67, 107, 193);
/* oklch */ color: oklch(54.2% 0.142 263.6);

Tailwind

colors: {
  custom: {
    50: '#8494d4',
    500: '#436bc1',
    950: '#000000',
  },
}

SCSS

$custom: #436bc1;
$custom-light: #8494d4;
$custom-dark: #000000;

JSON

{
  "hex": "#436bc1",
  "rgb": {
    "r": 67,
    "g": 107,
    "b": 193
  },
  "hsl": {
    "h": 220.952,
    "s": 50.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.54249,
    "c": 0.14172,
    "h": 263.6
  },
  "luminance": 0.15559
}

Semantic roles & 50–950 ramp

primary

#436BC1

secondary

#CCBA94

accent

#AD4EDA

background

#F8F9FD

surface

#F0F1FA

border

#CBCBD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #436BC1

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

Preview Lab → · Contrast checker → · Palette generator →