#436DB5#436DB5

#436DB5 is a mid, vivid blue. Relative luminance 0.155; OKLCH L 53.9% C 0.123 H 260.5°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#436DB5
RGB	rgb(67, 109, 181)
HSL	hsl(218, 46%, 49%)
HSV	hsv(218, 63%, 71%)
CMYK	cmyk(63%, 39.8%, 0%, 29%)
CIE-LAB	lab(46.27, 8.39, -42.55)
CIE-LCH	lch(46.27, 43.36, 281.15°)
OKLab	oklab(53.93% -0.0202 -0.121)
OKLCH	oklch(53.93% 0.123 260.5)
XYZ	xyz(16.1209, 15.4653, 45.8426)
Luminance	0.1547 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436DB5 #B58B43

analogous

#43A6B5 #436DB5 #5243B5

triadic

#436DB5 #B5436D #6DB543

tetradic

#436DB5 #B543A6 #B58B43 #43B552

square

#436DB5 #B543A6 #B58B43 #43B552

split-complementary

#436DB5 #B55243 #A6B543

monochromatic

#22375C #325288 #436DB5 #6C8EC9 #99B1D9

Accessibility & contrast

On white

5.13

#436DB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#436DB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436DB5

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436DB5	#FFFFFF	#000000	##FFFFFF
##436DB5	1.00	5.13	4.09	5.13
#FFFFFF	5.13	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D73B8

Deuteranopia (green-blind)

#3D69B4

Tritanopia (blue-blind)

#007D88

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #436db5;
/* rgb */ color: rgb(67, 109, 181);
/* oklch */ color: oklch(53.9% 0.123 260.5);

Tailwind

colors: {
  custom: {
    50: '#8296cb',
    500: '#436db5',
    950: '#000000',
  },
}

SCSS

$custom: #436db5;
$custom-light: #8296cb;
$custom-dark: #000000;

JSON

{
  "hex": "#436db5",
  "rgb": {
    "r": 67,
    "g": 109,
    "b": 181
  },
  "hsl": {
    "h": 217.895,
    "s": 45.968,
    "l": 48.627
  },
  "oklch": {
    "l": 0.5393,
    "c": 0.12266,
    "h": 260.5
  },
  "luminance": 0.15467
}

Semantic roles & 50–950 ramp

primary

#436DB5

secondary

#C5B18F

accent

#A552D6

background

#F8F9FC

surface

#F0F1F8

border

#CBCBD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #436DB5

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

Preview Lab → · Contrast checker → · Palette generator →