#436BC3#436BC3

#436BC3 is a mid, vivid blue. Relative luminance 0.156; OKLCH L 54.4% C 0.144 H 263.9°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#436BC3
RGB	rgb(67, 107, 195)
HSL	hsl(221, 52%, 51%)
HSV	hsv(221, 66%, 76%)
CMYK	cmyk(65.6%, 45.1%, 0%, 23.5%)
CIE-LAB	lab(46.51, 14.58, -50.26)
CIE-LCH	lch(46.51, 52.34, 286.17°)
OKLab	oklab(54.38% -0.0154 -0.1437)
OKLCH	oklch(54.38% 0.145 263.9)
XYZ	xyz(17.4193, 15.6472, 53.7214)
Luminance	0.1565 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436BC3 #C39B43

analogous

#43ABC3 #436BC3 #5B43C3

triadic

#436BC3 #C3436B #6BC343

tetradic

#436BC3 #C343AB #C39B43 #43C35B

square

#436BC3 #C343AB #C39B43 #43C35B

split-complementary

#436BC3 #C35B43 #ABC343

monochromatic

#22386A #315198 #436BC3 #7190D2 #A0B4E1

Accessibility & contrast

On white

5.08

#436BC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#436BC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436BC3

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436BC3	#FFFFFF	#000000	##FFFFFF
##436BC3	1.00	5.08	4.13	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4074C6

Deuteranopia (green-blind)

#2A69C1

Tritanopia (blue-blind)

#007F8D

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #436bc3;
/* rgb */ color: rgb(67, 107, 195);
/* oklch */ color: oklch(54.4% 0.144 263.9);

Tailwind

colors: {
  custom: {
    50: '#8494d6',
    500: '#436bc3',
    950: '#000000',
  },
}

SCSS

$custom: #436bc3;
$custom-light: #8494d6;
$custom-dark: #000000;

JSON

{
  "hex": "#436bc3",
  "rgb": {
    "r": 67,
    "g": 107,
    "b": 195
  },
  "hsl": {
    "h": 221.25,
    "s": 51.613,
    "l": 51.373
  },
  "oklch": {
    "l": 0.5438,
    "c": 0.1445,
    "h": 263.9
  },
  "luminance": 0.15649
}

Semantic roles & 50–950 ramp

primary

#436BC3

secondary

#CDBB95

accent

#AF4DDB

background

#F8F9FD

surface

#F0F1FA

border

#CBCBD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #436BC3

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

Preview Lab → · Contrast checker → · Palette generator →