#436FA3#436FA3

#436FA3 is a mid, moderate cyan. Relative luminance 0.152; OKLCH L 53.4% C 0.096 H 253.6°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#436FA3
RGB	rgb(67, 111, 163)
HSL	hsl(213, 42%, 45%)
HSV	hsv(213, 59%, 64%)
CMYK	cmyk(58.9%, 31.9%, 0%, 36.1%)
CIE-LAB	lab(45.91, 0.95, -32.58)
CIE-LCH	lch(45.91, 32.59, 271.68°)
OKLab	oklab(53.35% -0.0271 -0.0919)
OKLCH	oklch(53.35% 0.096 253.6)
XYZ	xyz(14.6077, 15.2052, 36.8083)
Luminance	0.1521 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436FA3 #A37743

analogous

#439FA3 #436FA3 #4743A3

triadic

#436FA3 #A3436F #6FA343

tetradic

#436FA3 #A3439F #A37743 #43A347

square

#436FA3 #A3439F #A37743 #43A347

split-complementary

#436FA3 #A34743 #9FA343

monochromatic

#1F344C #315178 #436FA3 #648EBF #8FADD1

Accessibility & contrast

On white

5.20

#436FA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#436FA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436FA3

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436FA3	#FFFFFF	#000000	##FFFFFF
##436FA3	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5972A5

Deuteranopia (green-blind)

#4D69A2

Tritanopia (blue-blind)

#007B82

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #436fa3;
/* rgb */ color: rgb(67, 111, 163);
/* oklch */ color: oklch(53.4% 0.096 253.6);

Tailwind

colors: {
  custom: {
    50: '#7f98be',
    500: '#436fa3',
    950: '#000000',
  },
}

SCSS

$custom: #436fa3;
$custom-light: #7f98be;
$custom-dark: #000000;

JSON

{
  "hex": "#436fa3",
  "rgb": {
    "r": 67,
    "g": 111,
    "b": 163
  },
  "hsl": {
    "h": 212.5,
    "s": 41.739,
    "l": 45.098
  },
  "oklch": {
    "l": 0.53352,
    "c": 0.09577,
    "h": 253.6
  },
  "luminance": 0.15207
}

Semantic roles & 50–950 ramp

primary

#436FA3

secondary

#BCA385

accent

#9956D2

background

#F8F9FB

surface

#EFF2F7

border

#CACCD0

text

#0B0D12

muted

#7C7E81

Preview Lab

Preview with #436FA3

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

Preview Lab → · Contrast checker → · Palette generator →