#436CB8#436CB8

#436CB8 is a mid, vivid blue. Relative luminance 0.154; OKLCH L 53.9% C 0.128 H 261.7°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#436CB8
RGB	rgb(67, 108, 184)
HSL	hsl(219, 47%, 49%)
HSV	hsv(219, 64%, 72%)
CMYK	cmyk(63.6%, 41.3%, 0%, 27.8%)
CIE-LAB	lab(46.15, 10.06, -44.48)
CIE-LCH	lch(46.15, 45.60, 282.75°)
OKLab	oklab(53.89% -0.0185 -0.1267)
OKLCH	oklch(53.89% 0.128 261.7)
XYZ	xyz(16.3260, 15.3776, 47.4459)
Luminance	0.1538 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436CB8 #B88F43

analogous

#43A7B8 #436CB8 #5443B8

triadic

#436CB8 #B8436C #6CB843

tetradic

#436CB8 #B843A7 #B88F43 #43B854

square

#436CB8 #B843A7 #B88F43 #43B854

split-complementary

#436CB8 #B85443 #A7B843

monochromatic

#22375E #33528B #436CB8 #6E8ECA #9BB1DB

Accessibility & contrast

On white

5.15

#436CB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#436CB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436CB8

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436CB8	#FFFFFF	#000000	##FFFFFF
##436CB8	1.00	5.15	4.08	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A73BB

Deuteranopia (green-blind)

#3968B6

Tritanopia (blue-blind)

#007D89

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #436cb8;
/* rgb */ color: rgb(67, 108, 184);
/* oklch */ color: oklch(53.9% 0.128 261.7);

Tailwind

colors: {
  custom: {
    50: '#8295ce',
    500: '#436cb8',
    950: '#000000',
  },
}

SCSS

$custom: #436cb8;
$custom-light: #8295ce;
$custom-dark: #000000;

JSON

{
  "hex": "#436cb8",
  "rgb": {
    "r": 67,
    "g": 108,
    "b": 184
  },
  "hsl": {
    "h": 218.974,
    "s": 46.614,
    "l": 49.216
  },
  "oklch": {
    "l": 0.53894,
    "c": 0.12801,
    "h": 261.7
  },
  "luminance": 0.15379
}

Semantic roles & 50–950 ramp

primary

#436CB8

secondary

#C7B490

accent

#A852D6

background

#F8F9FC

surface

#F0F1F9

border

#CBCBD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #436CB8

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

Preview Lab → · Contrast checker → · Palette generator →