#436BA5#436BA5

#436BA5 is a mid, moderate blue. Relative luminance 0.144; OKLCH L 52.5% C 0.103 H 257.7°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#436BA5
RGB	rgb(67, 107, 165)
HSL	hsl(216, 42%, 45%)
HSV	hsv(216, 59%, 65%)
CMYK	cmyk(59.4%, 35.2%, 0%, 35.3%)
CIE-LAB	lab(44.84, 4.09, -35.45)
CIE-LCH	lch(44.84, 35.68, 276.58°)
OKLab	oklab(52.54% -0.0219 -0.1003)
OKLCH	oklch(52.54% 0.103 257.7)
XYZ	xyz(14.3616, 14.4241, 37.6173)
Luminance	0.1442 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436BA5 #A57D43

analogous

#439CA5 #436BA5 #4C43A5

triadic

#436BA5 #A5436B #6BA543

tetradic

#436BA5 #A5439C #A57D43 #43A54C

square

#436BA5 #A5439C #A57D43 #43A54C

split-complementary

#436BA5 #A54C43 #9CA543

monochromatic

#20334E #314F79 #436BA5 #658AC0 #90ABD2

Accessibility & contrast

On white

5.41

#436BA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#436BA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436BA5

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436BA5	#FFFFFF	#000000	##FFFFFF
##436BA5	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#536FA7

Deuteranopia (green-blind)

#4666A4

Tritanopia (blue-blind)

#007880

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #436ba5;
/* rgb */ color: rgb(67, 107, 165);
/* oklch */ color: oklch(52.5% 0.103 257.7);

Tailwind

colors: {
  custom: {
    50: '#7f95c0',
    500: '#436ba5',
    950: '#000000',
  },
}

SCSS

$custom: #436ba5;
$custom-light: #7f95c0;
$custom-dark: #000000;

JSON

{
  "hex": "#436ba5",
  "rgb": {
    "r": 67,
    "g": 107,
    "b": 165
  },
  "hsl": {
    "h": 215.51,
    "s": 42.241,
    "l": 45.49
  },
  "oklch": {
    "l": 0.52541,
    "c": 0.10263,
    "h": 257.7
  },
  "luminance": 0.14425
}

Semantic roles & 50–950 ramp

primary

#436BA5

secondary

#BDA786

accent

#9F56D2

background

#F8F9FB

surface

#EFF1F7

border

#CACBD0

text

#0B0D12

muted

#7C7E81

Preview Lab

Preview with #436BA5

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

Preview Lab → · Contrast checker → · Palette generator →