#436EB8#436EB8

#436EB8 is a mid, vivid blue. Relative luminance 0.158; OKLCH L 54.3% C 0.126 H 260.6°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#436EB8
RGB	rgb(67, 110, 184)
HSL	hsl(218, 47%, 49%)
HSV	hsv(218, 64%, 72%)
CMYK	cmyk(63.6%, 40.2%, 0%, 27.8%)
CIE-LAB	lab(46.72, 8.81, -43.57)
CIE-LCH	lch(46.72, 44.45, 281.44°)
OKLab	oklab(54.33% -0.0206 -0.124)
OKLCH	oklch(54.33% 0.126 260.6)
XYZ	xyz(16.5393, 15.8043, 47.5170)
Luminance	0.1581 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436EB8 #B88D43

analogous

#43A9B8 #436EB8 #5343B8

triadic

#436EB8 #B8436E #6EB843

tetradic

#436EB8 #B843A9 #B88D43 #43B853

square

#436EB8 #B843A9 #B88D43 #43B853

split-complementary

#436EB8 #B85343 #A9B843

monochromatic

#22385E #33538B #436EB8 #6E90CA #9BB2DB

Accessibility & contrast

On white

5.05

#436EB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#436EB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436EB8

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436EB8	#FFFFFF	#000000	##FFFFFF
##436EB8	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D75BB

Deuteranopia (green-blind)

#3C6AB6

Tritanopia (blue-blind)

#007F8A

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #436eb8;
/* rgb */ color: rgb(67, 110, 184);
/* oklch */ color: oklch(54.3% 0.126 260.6);

Tailwind

colors: {
  custom: {
    50: '#8297ce',
    500: '#436eb8',
    950: '#000000',
  },
}

SCSS

$custom: #436eb8;
$custom-light: #8297ce;
$custom-dark: #000000;

JSON

{
  "hex": "#436eb8",
  "rgb": {
    "r": 67,
    "g": 110,
    "b": 184
  },
  "hsl": {
    "h": 217.949,
    "s": 46.614,
    "l": 49.216
  },
  "oklch": {
    "l": 0.54334,
    "c": 0.12567,
    "h": 260.6
  },
  "luminance": 0.15806
}

Semantic roles & 50–950 ramp

primary

#436EB8

secondary

#C7B390

accent

#A552D6

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #436EB8

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

Preview Lab → · Contrast checker → · Palette generator →