#436BBF#436BBF

#436BBF is a mid, vivid blue. Relative luminance 0.155; OKLCH L 54.1% C 0.139 H 263.3°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#436BBF
RGB	rgb(67, 107, 191)
HSL	hsl(221, 49%, 51%)
HSV	hsv(221, 65%, 75%)
CMYK	cmyk(64.9%, 44%, 0%, 25.1%)
CIE-LAB	lab(46.27, 13.16, -48.34)
CIE-LCH	lch(46.27, 50.10, 285.23°)
OKLab	oklab(54.12% -0.0161 -0.138)
OKLCH	oklch(54.12% 0.139 263.3)
XYZ	xyz(16.9731, 15.4687, 51.3714)
Luminance	0.1547 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436BBF #BF9743

analogous

#43A9BF #436BBF #5943BF

triadic

#436BBF #BF436B #6BBF43

tetradic

#436BBF #BF43A9 #BF9743 #43BF59

square

#436BBF #BF43A9 #BF9743 #43BF59

split-complementary

#436BBF #BF5943 #A9BF43

monochromatic

#223865 #325193 #436BBF #718FCF #9EB3DE

Accessibility & contrast

On white

5.13

#436BBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#436BBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436BBF

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436BBF	#FFFFFF	#000000	##FFFFFF
##436BBF	1.00	5.13	4.09	5.13
#FFFFFF	5.13	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4374C2

Deuteranopia (green-blind)

#2F68BD

Tritanopia (blue-blind)

#007E8C

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #436bbf;
/* rgb */ color: rgb(67, 107, 191);
/* oklch */ color: oklch(54.1% 0.139 263.3);

Tailwind

colors: {
  custom: {
    50: '#8394d3',
    500: '#436bbf',
    950: '#000000',
  },
}

SCSS

$custom: #436bbf;
$custom-light: #8394d3;
$custom-dark: #000000;

JSON

{
  "hex": "#436bbf",
  "rgb": {
    "r": 67,
    "g": 107,
    "b": 191
  },
  "hsl": {
    "h": 220.645,
    "s": 49.206,
    "l": 50.588
  },
  "oklch": {
    "l": 0.54119,
    "c": 0.13894,
    "h": 263.3
  },
  "luminance": 0.1547
}

Semantic roles & 50–950 ramp

primary

#436BBF

secondary

#CAB993

accent

#AC4FD9

background

#F8F9FD

surface

#F0F1FA

border

#CBCBD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #436BBF

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

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