#436BA3#436BA3

#436BA3 is a mid, moderate blue. Relative luminance 0.144; OKLCH L 52.4% C 0.100 H 257.0°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#436BA3
RGB	rgb(67, 107, 163)
HSL	hsl(215, 42%, 45%)
HSV	hsv(215, 59%, 64%)
CMYK	cmyk(58.9%, 34.4%, 0%, 36.1%)
CIE-LAB	lab(44.73, 3.41, -34.43)
CIE-LCH	lch(44.73, 34.60, 275.66°)
OKLab	oklab(52.43% -0.0225 -0.0973)
OKLCH	oklch(52.43% 0.1 257)
XYZ	xyz(14.1810, 14.3518, 36.6661)
Luminance	0.1435 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436BA3 #A37B43

analogous

#439BA3 #436BA3 #4B43A3

triadic

#436BA3 #A3436B #6BA343

tetradic

#436BA3 #A3439B #A37B43 #43A34B

square

#436BA3 #A3439B #A37B43 #43A34B

split-complementary

#436BA3 #A34B43 #9BA343

monochromatic

#1F324C #314F78 #436BA3 #648ABF #8FABD1

Accessibility & contrast

On white

5.43

#436BA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#436BA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436BA3

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436BA3	#FFFFFF	#000000	##FFFFFF
##436BA3	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#546FA5

Deuteranopia (green-blind)

#4766A2

Tritanopia (blue-blind)

#00787F

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #436ba3;
/* rgb */ color: rgb(67, 107, 163);
/* oklch */ color: oklch(52.4% 0.100 257.0);

Tailwind

colors: {
  custom: {
    50: '#7f95be',
    500: '#436ba3',
    950: '#000000',
  },
}

SCSS

$custom: #436ba3;
$custom-light: #7f95be;
$custom-dark: #000000;

JSON

{
  "hex": "#436ba3",
  "rgb": {
    "r": 67,
    "g": 107,
    "b": 163
  },
  "hsl": {
    "h": 215,
    "s": 41.739,
    "l": 45.098
  },
  "oklch": {
    "l": 0.52429,
    "c": 0.09986,
    "h": 257
  },
  "luminance": 0.14353
}

Semantic roles & 50–950 ramp

primary

#436BA3

secondary

#BCA585

accent

#9E56D2

background

#F8F9FB

surface

#EFF1F7

border

#CACBD0

text

#0B0D12

muted

#7C7E81

Preview Lab

Preview with #436BA3

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

Preview Lab → · Contrast checker → · Palette generator →