#436EC3#436EC3

#436EC3 is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.0% C 0.141 H 262.5°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#436EC3
RGB	rgb(67, 110, 195)
HSL	hsl(220, 52%, 51%)
HSV	hsv(220, 66%, 76%)
CMYK	cmyk(65.6%, 43.6%, 0%, 23.5%)
CIE-LAB	lab(47.34, 12.69, -48.93)
CIE-LCH	lch(47.34, 50.55, 284.54°)
OKLab	oklab(55.02% -0.0184 -0.1397)
OKLCH	oklch(55.02% 0.141 262.5)
XYZ	xyz(17.7375, 16.2836, 53.8275)
Luminance	0.1628 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436EC3 #C39843

analogous

#43AEC3 #436EC3 #5843C3

triadic

#436EC3 #C3436E #6EC343

tetradic

#436EC3 #C343AE #C39843 #43C358

square

#436EC3 #C343AE #C39843 #43C358

split-complementary

#436EC3 #C35843 #AEC343

monochromatic

#223A6A #315398 #436EC3 #7192D2 #A0B6E1

Accessibility & contrast

On white

4.93

#436EC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#436EC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436EC3

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436EC3	#FFFFFF	#000000	##FFFFFF
##436EC3	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4677C6

Deuteranopia (green-blind)

#316BC1

Tritanopia (blue-blind)

#00818F

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #436ec3;
/* rgb */ color: rgb(67, 110, 195);
/* oklch */ color: oklch(55.0% 0.141 262.5);

Tailwind

colors: {
  custom: {
    50: '#8497d6',
    500: '#436ec3',
    950: '#000000',
  },
}

SCSS

$custom: #436ec3;
$custom-light: #8497d6;
$custom-dark: #000000;

JSON

{
  "hex": "#436ec3",
  "rgb": {
    "r": 67,
    "g": 110,
    "b": 195
  },
  "hsl": {
    "h": 219.844,
    "s": 51.613,
    "l": 51.373
  },
  "oklch": {
    "l": 0.55023,
    "c": 0.1409,
    "h": 262.5
  },
  "luminance": 0.16285
}

Semantic roles & 50–950 ramp

primary

#436EC3

secondary

#CDBA95

accent

#AB4DDB

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #436EC3

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

Preview Lab → · Contrast checker → · Palette generator →