#436EB5#436EB5

#436EB5 is a mid, vivid blue. Relative luminance 0.157; OKLCH L 54.2% C 0.122 H 259.9°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#436EB5
RGB	rgb(67, 110, 181)
HSL	hsl(217, 46%, 49%)
HSV	hsv(217, 63%, 71%)
CMYK	cmyk(63%, 39.2%, 0%, 29%)
CIE-LAB	lab(46.55, 7.76, -42.09)
CIE-LCH	lch(46.55, 42.80, 280.45°)
OKLab	oklab(54.15% -0.0213 -0.1196)
OKLCH	oklch(54.15% 0.122 259.9)
XYZ	xyz(16.2282, 15.6799, 45.8784)
Luminance	0.1568 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436EB5 #B58A43

analogous

#43A7B5 #436EB5 #5143B5

triadic

#436EB5 #B5436E #6EB543

tetradic

#436EB5 #B543A7 #B58A43 #43B551

square

#436EB5 #B543A7 #B58A43 #43B551

split-complementary

#436EB5 #B55143 #A7B543

monochromatic

#22385C #325388 #436EB5 #6C8FC9 #99B1D9

Accessibility & contrast

On white

5.08

#436EB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#436EB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436EB5

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436EB5	#FFFFFF	#000000	##FFFFFF
##436EB5	1.00	5.08	4.14	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F74B8

Deuteranopia (green-blind)

#3F69B4

Tritanopia (blue-blind)

#007E89

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #436eb5;
/* rgb */ color: rgb(67, 110, 181);
/* oklch */ color: oklch(54.2% 0.122 259.9);

Tailwind

colors: {
  custom: {
    50: '#8297cb',
    500: '#436eb5',
    950: '#000000',
  },
}

SCSS

$custom: #436eb5;
$custom-light: #8297cb;
$custom-dark: #000000;

JSON

{
  "hex": "#436eb5",
  "rgb": {
    "r": 67,
    "g": 110,
    "b": 181
  },
  "hsl": {
    "h": 217.368,
    "s": 45.968,
    "l": 48.627
  },
  "oklch": {
    "l": 0.54153,
    "c": 0.12152,
    "h": 259.9
  },
  "luminance": 0.15681
}

Semantic roles & 50–950 ramp

primary

#436EB5

secondary

#C5B18F

accent

#A452D6

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #436EB5

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

Preview Lab → · Contrast checker → · Palette generator →