#436DBB#436DBB

#436DBB is a mid, vivid blue. Relative luminance 0.157; OKLCH L 54.3% C 0.131 H 261.7°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#436DBB
RGB	rgb(67, 109, 187)
HSL	hsl(219, 47%, 50%)
HSV	hsv(219, 64%, 73%)
CMYK	cmyk(64.2%, 41.7%, 0%, 26.7%)
CIE-LAB	lab(46.60, 10.49, -45.49)
CIE-LCH	lch(46.60, 46.69, 282.99°)
OKLab	oklab(54.3% -0.0189 -0.1296)
OKLCH	oklch(54.3% 0.131 261.7)
XYZ	xyz(16.7499, 15.7169, 49.1550)
Luminance	0.1572 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436DBB #BB9143

analogous

#43A9BB #436DBB #5543BB

triadic

#436DBB #BB436D #6DBB43

tetradic

#436DBB #BB43A9 #BB9143 #43BB55

square

#436DBB #BB43A9 #BB9143 #43BB55

split-complementary

#436DBB #BB5543 #A9BB43

monochromatic

#233861 #33538E #436DBB #7090CC #9DB3DC

Accessibility & contrast

On white

5.07

#436DBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#436DBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436DBB

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436DBB	#FFFFFF	#000000	##FFFFFF
##436DBB	1.00	5.07	4.14	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A74BE

Deuteranopia (green-blind)

#3869B9

Tritanopia (blue-blind)

#007F8B

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #436dbb;
/* rgb */ color: rgb(67, 109, 187);
/* oklch */ color: oklch(54.3% 0.131 261.7);

Tailwind

colors: {
  custom: {
    50: '#8396d0',
    500: '#436dbb',
    950: '#000000',
  },
}

SCSS

$custom: #436dbb;
$custom-light: #8396d0;
$custom-dark: #000000;

JSON

{
  "hex": "#436dbb",
  "rgb": {
    "r": 67,
    "g": 109,
    "b": 187
  },
  "hsl": {
    "h": 219,
    "s": 47.244,
    "l": 49.804
  },
  "oklch": {
    "l": 0.54299,
    "c": 0.131,
    "h": 261.7
  },
  "luminance": 0.15718
}

Semantic roles & 50–950 ramp

primary

#436DBB

secondary

#C8B592

accent

#A851D7

background

#F8F9FC

surface

#F0F1F9

border

#CBCBD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #436DBB

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

Preview Lab → · Contrast checker → · Palette generator →