#436AB9#436AB9

#436AB9 is a mid, vivid blue. Relative luminance 0.150; OKLCH L 53.5% C 0.132 H 262.9°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#436AB9
RGB	rgb(67, 106, 185)
HSL	hsl(220, 47%, 49%)
HSV	hsv(220, 64%, 73%)
CMYK	cmyk(63.8%, 42.7%, 0%, 27.5%)
CIE-LAB	lab(45.64, 11.67, -45.87)
CIE-LCH	lch(45.64, 47.33, 284.28°)
OKLab	oklab(53.52% -0.0162 -0.1308)
OKLCH	oklch(53.52% 0.132 262.9)
XYZ	xyz(16.2227, 15.0026, 47.9304)
Luminance	0.1500 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436AB9 #B99243

analogous

#43A5B9 #436AB9 #5743B9

triadic

#436AB9 #B9436A #6AB943

tetradic

#436AB9 #B943A5 #B99243 #43B957

square

#436AB9 #B943A5 #B99243 #43B957

split-complementary

#436AB9 #B95743 #A5B943

monochromatic

#22375F #33508C #436AB9 #6F8DCB #9BB0DB

Accessibility & contrast

On white

5.25

#436AB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#436AB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436AB9

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436AB9	#FFFFFF	#000000	##FFFFFF
##436AB9	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4672BC

Deuteranopia (green-blind)

#3467B7

Tritanopia (blue-blind)

#007C88

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #436ab9;
/* rgb */ color: rgb(67, 106, 185);
/* oklch */ color: oklch(53.5% 0.132 262.9);

Tailwind

colors: {
  custom: {
    50: '#8294ce',
    500: '#436ab9',
    950: '#000000',
  },
}

SCSS

$custom: #436ab9;
$custom-light: #8294ce;
$custom-dark: #000000;

JSON

{
  "hex": "#436ab9",
  "rgb": {
    "r": 67,
    "g": 106,
    "b": 185
  },
  "hsl": {
    "h": 220.169,
    "s": 46.825,
    "l": 49.412
  },
  "oklch": {
    "l": 0.53519,
    "c": 0.13178,
    "h": 262.9
  },
  "luminance": 0.15004
}

Semantic roles & 50–950 ramp

primary

#436AB9

secondary

#C7B591

accent

#AA51D6

background

#F8F9FC

surface

#F0F1F9

border

#CBCBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #436AB9

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

Preview Lab → · Contrast checker → · Palette generator →