#436AA9#436AA9

#436AA9 is a mid, moderate blue. Relative luminance 0.144; OKLCH L 52.5% C 0.109 H 259.6°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#436AA9
RGB	rgb(67, 106, 169)
HSL	hsl(217, 43%, 46%)
HSV	hsv(217, 60%, 66%)
CMYK	cmyk(60.4%, 37.3%, 0%, 33.7%)
CIE-LAB	lab(44.75, 6.09, -37.93)
CIE-LCH	lch(44.75, 38.42, 279.12°)
OKLab	oklab(52.54% -0.0198 -0.1075)
OKLCH	oklch(52.54% 0.109 259.6)
XYZ	xyz(14.6277, 14.3647, 39.5302)
Luminance	0.1437 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436AA9 #A98243

analogous

#439DA9 #436AA9 #4F43A9

triadic

#436AA9 #A9436A #6AA943

tetradic

#436AA9 #A9439D #A98243 #43A94F

square

#436AA9 #A9439D #A98243 #43A94F

split-complementary

#436AA9 #A94F43 #9DA943

monochromatic

#203351 #324F7D #436AA9 #678AC3 #92ABD4

Accessibility & contrast

On white

5.42

#436AA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#436AA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436AA9

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436AA9	#FFFFFF	#000000	##FFFFFF
##436AA9	1.00	5.42	3.87	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F6FAC

Deuteranopia (green-blind)

#4265A8

Tritanopia (blue-blind)

#007881

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #436aa9;
/* rgb */ color: rgb(67, 106, 169);
/* oklch */ color: oklch(52.5% 0.109 259.6);

Tailwind

colors: {
  custom: {
    50: '#8094c3',
    500: '#436aa9',
    950: '#000000',
  },
}

SCSS

$custom: #436aa9;
$custom-light: #8094c3;
$custom-dark: #000000;

JSON

{
  "hex": "#436aa9",
  "rgb": {
    "r": 67,
    "g": 106,
    "b": 169
  },
  "hsl": {
    "h": 217.059,
    "s": 43.22,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52544,
    "c": 0.10932,
    "h": 259.6
  },
  "luminance": 0.14366
}

Semantic roles & 50–950 ramp

primary

#436AA9

secondary

#BFAA88

accent

#A355D3

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0B0D12

muted

#7C7E81

Preview Lab

Preview with #436AA9

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

Preview Lab → · Contrast checker → · Palette generator →