#436DAB#436DAB

#436DAB is a mid, moderate blue. Relative luminance 0.151; OKLCH L 53.3% C 0.109 H 258.0°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#436DAB
RGB	rgb(67, 109, 171)
HSL	hsl(216, 44%, 47%)
HSV	hsv(216, 61%, 67%)
CMYK	cmyk(60.8%, 36.3%, 0%, 32.9%)
CIE-LAB	lab(45.73, 4.91, -37.56)
CIE-LCH	lch(45.73, 37.88, 277.45°)
OKLab	oklab(53.34% -0.0226 -0.1064)
OKLCH	oklch(53.34% 0.109 258)
XYZ	xyz(15.1315, 15.0695, 40.6315)
Luminance	0.1507 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436DAB #AB8143

analogous

#43A1AB #436DAB #4D43AB

triadic

#436DAB #AB436D #6DAB43

tetradic

#436DAB #AB43A1 #AB8143 #43AB4D

square

#436DAB #AB43A1 #AB8143 #43AB4D

split-complementary

#436DAB #AB4D43 #A1AB43

monochromatic

#213553 #32517F #436DAB #688DC4 #94AED5

Accessibility & contrast

On white

5.23

#436DAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#436DAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436DAB

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436DAB	#FFFFFF	#000000	##FFFFFF
##436DAB	1.00	5.23	4.01	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5372AE

Deuteranopia (green-blind)

#4568AA

Tritanopia (blue-blind)

#007B84

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #436dab;
/* rgb */ color: rgb(67, 109, 171);
/* oklch */ color: oklch(53.3% 0.109 258.0);

Tailwind

colors: {
  custom: {
    50: '#8096c4',
    500: '#436dab',
    950: '#000000',
  },
}

SCSS

$custom: #436dab;
$custom-light: #8096c4;
$custom-dark: #000000;

JSON

{
  "hex": "#436dab",
  "rgb": {
    "r": 67,
    "g": 109,
    "b": 171
  },
  "hsl": {
    "h": 215.769,
    "s": 43.697,
    "l": 46.667
  },
  "oklch": {
    "l": 0.53339,
    "c": 0.10878,
    "h": 258
  },
  "luminance": 0.15071
}

Semantic roles & 50–950 ramp

primary

#436DAB

secondary

#C0AA89

accent

#A054D3

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0B0D12

muted

#7C7E81

Preview Lab

Preview with #436DAB

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

Preview Lab → · Contrast checker → · Palette generator →