#436A8B#436A8B

#436A8B is a mid, moderate cyan. Relative luminance 0.134; OKLCH L 50.9% C 0.069 H 245.2°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#436A8B
RGB	rgb(67, 106, 139)
HSL	hsl(208, 35%, 40%)
HSV	hsv(208, 52%, 55%)
CMYK	cmyk(51.8%, 23.7%, 0%, 45.5%)
CIE-LAB	lab(43.31, -3.92, -22.40)
CIE-LCH	lch(43.31, 22.74, 260.08°)
OKLab	oklab(50.94% -0.0288 -0.0625)
OKLCH	oklch(50.94% 0.069 245.2)
XYZ	xyz(12.1273, 13.3645, 26.3616)
Luminance	0.1336 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436A8B #8B6443

analogous

#438B88 #436A8B #43468B

triadic

#436A8B #8B436A #6A8B43

tetradic

#436A8B #88438B #8B6443 #468B43

square

#436A8B #88438B #8B6443 #468B43

split-complementary

#436A8B #8B4346 #8B8843

monochromatic

#1B2B38 #2F4B62 #436A8B #5B89B0 #84A7C4

Accessibility & contrast

On white

5.72

#436A8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#436A8B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436A8B

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436A8B	#FFFFFF	#000000	##FFFFFF
##436A8B	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C6A8D

Deuteranopia (green-blind)

#53638A

Tritanopia (blue-blind)

#1E7275

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #436a8b;
/* rgb */ color: rgb(67, 106, 139);
/* oklch */ color: oklch(50.9% 0.069 245.2);

Tailwind

colors: {
  custom: {
    50: '#7c94ad',
    500: '#436a8b',
    950: '#000000',
  },
}

SCSS

$custom: #436a8b;
$custom-light: #7c94ad;
$custom-dark: #000000;

JSON

{
  "hex": "#436a8b",
  "rgb": {
    "r": 67,
    "g": 106,
    "b": 139
  },
  "hsl": {
    "h": 207.5,
    "s": 34.951,
    "l": 40.392
  },
  "oklch": {
    "l": 0.50939,
    "c": 0.06883,
    "h": 245.2
  },
  "luminance": 0.13365
}

Semantic roles & 50–950 ramp

primary

#436A8B

secondary

#AF937B

accent

#8F5DCB

background

#F7F9FA

surface

#EEF1F4

border

#C9CBCE

text

#0A0D10

muted

#7C7E7F

Preview Lab

Preview with #436A8B

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

Preview Lab → · Contrast checker → · Palette generator →