#436CB2#436CB2

#436CB2 is a mid, moderate blue. Relative luminance 0.151; OKLCH L 53.5% C 0.120 H 260.5°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#436CB2
RGB	rgb(67, 108, 178)
HSL	hsl(218, 45%, 48%)
HSV	hsv(218, 62%, 70%)
CMYK	cmyk(62.4%, 39.3%, 0%, 30.2%)
CIE-LAB	lab(45.81, 7.96, -41.52)
CIE-LCH	lch(45.81, 42.27, 280.86°)
OKLab	oklab(53.53% -0.0198 -0.118)
OKLCH	oklch(53.53% 0.12 260.5)
XYZ	xyz(15.7104, 15.1313, 44.2036)
Luminance	0.1513 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436CB2 #B28943

analogous

#43A3B2 #436CB2 #5243B2

triadic

#436CB2 #B2436C #6CB243

tetradic

#436CB2 #B243A3 #B28943 #43B252

square

#436CB2 #B243A3 #B28943 #43B252

split-complementary

#436CB2 #B25243 #A3B243

monochromatic

#223659 #325186 #436CB2 #6B8DC7 #97AFD8

Accessibility & contrast

On white

5.22

#436CB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#436CB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436CB2

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436CB2	#FFFFFF	#000000	##FFFFFF
##436CB2	1.00	5.22	4.03	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D72B5

Deuteranopia (green-blind)

#3E68B1

Tritanopia (blue-blind)

#007C86

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #436cb2;
/* rgb */ color: rgb(67, 108, 178);
/* oklch */ color: oklch(53.5% 0.120 260.5);

Tailwind

colors: {
  custom: {
    50: '#8195c9',
    500: '#436cb2',
    950: '#000000',
  },
}

SCSS

$custom: #436cb2;
$custom-light: #8195c9;
$custom-dark: #000000;

JSON

{
  "hex": "#436cb2",
  "rgb": {
    "r": 67,
    "g": 108,
    "b": 178
  },
  "hsl": {
    "h": 217.838,
    "s": 45.306,
    "l": 48.039
  },
  "oklch": {
    "l": 0.53527,
    "c": 0.11963,
    "h": 260.5
  },
  "luminance": 0.15133
}

Semantic roles & 50–950 ramp

primary

#436CB2

secondary

#C4B08D

accent

#A553D5

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #436CB2

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

Preview Lab → · Contrast checker → · Palette generator →