#436F8A#436F8A

#436F8A is a mid, moderate cyan. Relative luminance 0.144; OKLCH L 52.1% C 0.065 H 236.8°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#436F8A
RGB	rgb(67, 111, 138)
HSL	hsl(203, 35%, 40%)
HSV	hsv(203, 51%, 54%)
CMYK	cmyk(51.4%, 19.6%, 0%, 45.9%)
CIE-LAB	lab(44.80, -7.21, -19.51)
CIE-LCH	lch(44.80, 20.79, 249.72°)
OKLab	oklab(52.1% -0.0355 -0.0542)
OKLCH	oklch(52.1% 0.065 236.8)
XYZ	xyz(12.5850, 14.3962, 26.1554)
Luminance	0.1440 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436F8A #8A5E43

analogous

#438A81 #436F8A #434B8A

triadic

#436F8A #8A436F #6F8A43

tetradic

#436F8A #81438A #8A5E43 #4B8A43

square

#436F8A #81438A #8A5E43 #4B8A43

split-complementary

#436F8A #8A434B #8A8143

monochromatic

#1B2D38 #2F4E61 #436F8A #5B8FAF #84ABC3

Accessibility & contrast

On white

5.41

#436F8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#436F8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436F8A

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436F8A	#FFFFFF	#000000	##FFFFFF
##436F8A	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)

#636E8B

Deuteranopia (green-blind)

#59678A

Tritanopia (blue-blind)

#1E7678

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #436f8a;
/* rgb */ color: rgb(67, 111, 138);
/* oklch */ color: oklch(52.1% 0.065 236.8);

Tailwind

colors: {
  custom: {
    50: '#7c98ac',
    500: '#436f8a',
    950: '#000000',
  },
}

SCSS

$custom: #436f8a;
$custom-light: #7c98ac;
$custom-dark: #000000;

JSON

{
  "hex": "#436f8a",
  "rgb": {
    "r": 67,
    "g": 111,
    "b": 138
  },
  "hsl": {
    "h": 202.817,
    "s": 34.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.52102,
    "c": 0.06482,
    "h": 236.8
  },
  "luminance": 0.14397
}

Semantic roles & 50–950 ramp

primary

#436F8A

secondary

#AE8E7B

accent

#875DCB

background

#F7F9FA

surface

#EEF2F4

border

#C9CCCE

text

#0A0D10

muted

#7C7E7F

Preview Lab

Preview with #436F8A

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

Preview Lab → · Contrast checker → · Palette generator →