#436EB9#436EB9

#436EB9 is a mid, vivid blue. Relative luminance 0.158; OKLCH L 54.4% C 0.127 H 260.8°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#436EB9
RGB	rgb(67, 110, 185)
HSL	hsl(218, 47%, 49%)
HSV	hsv(218, 64%, 73%)
CMYK	cmyk(63.8%, 40.5%, 0%, 27.5%)
CIE-LAB	lab(46.77, 9.17, -44.06)
CIE-LCH	lch(46.77, 45.00, 281.75°)
OKLab	oklab(54.4% -0.0204 -0.1254)
OKLCH	oklch(54.4% 0.127 260.8)
XYZ	xyz(16.6445, 15.8464, 48.0710)
Luminance	0.1585 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436EB9 #B98E43

analogous

#43A9B9 #436EB9 #5343B9

triadic

#436EB9 #B9436E #6EB943

tetradic

#436EB9 #B943A9 #B98E43 #43B953

square

#436EB9 #B943A9 #B98E43 #43B953

split-complementary

#436EB9 #B95343 #A9B943

monochromatic

#22395F #33538C #436EB9 #6F90CB #9BB3DB

Accessibility & contrast

On white

5.04

#436EB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#436EB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436EB9

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436EB9	#FFFFFF	#000000	##FFFFFF
##436EB9	1.00	5.04	4.17	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D75BC

Deuteranopia (green-blind)

#3B6AB7

Tritanopia (blue-blind)

#007F8A

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #436eb9;
/* rgb */ color: rgb(67, 110, 185);
/* oklch */ color: oklch(54.4% 0.127 260.8);

Tailwind

colors: {
  custom: {
    50: '#8297ce',
    500: '#436eb9',
    950: '#000000',
  },
}

SCSS

$custom: #436eb9;
$custom-light: #8297ce;
$custom-dark: #000000;

JSON

{
  "hex": "#436eb9",
  "rgb": {
    "r": 67,
    "g": 110,
    "b": 185
  },
  "hsl": {
    "h": 218.136,
    "s": 46.825,
    "l": 49.412
  },
  "oklch": {
    "l": 0.54395,
    "c": 0.12706,
    "h": 260.8
  },
  "luminance": 0.15848
}

Semantic roles & 50–950 ramp

primary

#436EB9

secondary

#C7B391

accent

#A651D6

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #436EB9

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

Preview Lab → · Contrast checker → · Palette generator →