#436BB2#436BB2

#436BB2 is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.3% C 0.121 H 261.1°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#436BB2
RGB	rgb(67, 107, 178)
HSL	hsl(218, 45%, 48%)
HSV	hsv(218, 62%, 70%)
CMYK	cmyk(62.4%, 39.9%, 0%, 30.2%)
CIE-LAB	lab(45.53, 8.59, -41.97)
CIE-LCH	lch(45.53, 42.84, 281.56°)
OKLab	oklab(53.31% -0.0187 -0.1193)
OKLCH	oklch(53.31% 0.121 261.1)
XYZ	xyz(15.6055, 14.9216, 44.1686)
Luminance	0.1492 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436BB2 #B28A43

analogous

#43A2B2 #436BB2 #5243B2

triadic

#436BB2 #B2436B #6BB243

tetradic

#436BB2 #B243A2 #B28A43 #43B252

square

#436BB2 #B243A2 #B28A43 #43B252

split-complementary

#436BB2 #B25243 #A2B243

monochromatic

#223659 #325086 #436BB2 #6B8CC7 #97AFD8

Accessibility & contrast

On white

5.27

#436BB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#436BB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436BB2

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436BB2	#FFFFFF	#000000	##FFFFFF
##436BB2	1.00	5.27	3.98	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C71B5

Deuteranopia (green-blind)

#3C67B1

Tritanopia (blue-blind)

#007B86

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #436bb2;
/* rgb */ color: rgb(67, 107, 178);
/* oklch */ color: oklch(53.3% 0.121 261.1);

Tailwind

colors: {
  custom: {
    50: '#8195c9',
    500: '#436bb2',
    950: '#000000',
  },
}

SCSS

$custom: #436bb2;
$custom-light: #8195c9;
$custom-dark: #000000;

JSON

{
  "hex": "#436bb2",
  "rgb": {
    "r": 67,
    "g": 107,
    "b": 178
  },
  "hsl": {
    "h": 218.378,
    "s": 45.306,
    "l": 48.039
  },
  "oklch": {
    "l": 0.53305,
    "c": 0.12079,
    "h": 261.1
  },
  "luminance": 0.14923
}

Semantic roles & 50–950 ramp

primary

#436BB2

secondary

#C4B08D

accent

#A653D5

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #436BB2

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

Preview Lab → · Contrast checker → · Palette generator →