#436D99#436D99

#436D99 is a mid, moderate cyan. Relative luminance 0.144; OKLCH L 52.4% C 0.084 H 250.8°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#436D99
RGB	rgb(67, 109, 153)
HSL	hsl(211, 39%, 43%)
HSV	hsv(211, 56%, 60%)
CMYK	cmyk(56.2%, 28.8%, 0%, 40%)
CIE-LAB	lab(44.84, -1.18, -28.35)
CIE-LCH	lch(44.84, 28.38, 267.63°)
OKLab	oklab(52.36% -0.0278 -0.0796)
OKLCH	oklch(52.36% 0.084 250.8)
XYZ	xyz(13.5311, 14.4294, 32.2029)
Luminance	0.1443 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436D99 #996F43

analogous

#439899 #436D99 #444399

triadic

#436D99 #99436D #6D9943

tetradic

#436D99 #994398 #996F43 #439944

square

#436D99 #994398 #996F43 #439944

split-complementary

#436D99 #994443 #989943

monochromatic

#1E3044 #304F6E #436D99 #608CB9 #8AAACC

Accessibility & contrast

On white

5.40

#436D99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#436D99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436D99

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436D99	#FFFFFF	#000000	##FFFFFF
##436D99	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B6F9B

Deuteranopia (green-blind)

#506698

Tritanopia (blue-blind)

#06777C

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #436d99;
/* rgb */ color: rgb(67, 109, 153);
/* oklch */ color: oklch(52.4% 0.084 250.8);

Tailwind

colors: {
  custom: {
    50: '#7e96b7',
    500: '#436d99',
    950: '#000000',
  },
}

SCSS

$custom: #436d99;
$custom-light: #7e96b7;
$custom-dark: #000000;

JSON

{
  "hex": "#436d99",
  "rgb": {
    "r": 67,
    "g": 109,
    "b": 153
  },
  "hsl": {
    "h": 210.698,
    "s": 39.091,
    "l": 43.137
  },
  "oklch": {
    "l": 0.52355,
    "c": 0.08434,
    "h": 250.8
  },
  "luminance": 0.1443
}

Semantic roles & 50–950 ramp

primary

#436D99

secondary

#B79D81

accent

#9559CF

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0D11

muted

#7C7E80

Preview Lab

Preview with #436D99

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

Preview Lab → · Contrast checker → · Palette generator →