#436BC0#436BC0

#436BC0 is a mid, vivid blue. Relative luminance 0.155; OKLCH L 54.2% C 0.140 H 263.5°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#436BC0
RGB	rgb(67, 107, 192)
HSL	hsl(221, 50%, 51%)
HSV	hsv(221, 65%, 75%)
CMYK	cmyk(65.1%, 44.3%, 0%, 24.7%)
CIE-LAB	lab(46.33, 13.52, -48.82)
CIE-LCH	lch(46.33, 50.66, 285.47°)
OKLab	oklab(54.18% -0.016 -0.1394)
OKLCH	oklch(54.18% 0.14 263.5)
XYZ	xyz(17.0835, 15.5128, 51.9529)
Luminance	0.1551 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436BC0 #C09843

analogous

#43A9C0 #436BC0 #5943C0

triadic

#436BC0 #C0436B #6BC043

tetradic

#436BC0 #C043A9 #C09843 #43C059

square

#436BC0 #C043A9 #C09843 #43C059

split-complementary

#436BC0 #C05943 #A9C043

monochromatic

#223866 #325194 #436BC0 #718FCF #9FB3DF

Accessibility & contrast

On white

5.12

#436BC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#436BC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436BC0

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436BC0	#FFFFFF	#000000	##FFFFFF
##436BC0	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4374C3

Deuteranopia (green-blind)

#2E68BE

Tritanopia (blue-blind)

#007E8C

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #436bc0;
/* rgb */ color: rgb(67, 107, 192);
/* oklch */ color: oklch(54.2% 0.140 263.5);

Tailwind

colors: {
  custom: {
    50: '#8494d3',
    500: '#436bc0',
    950: '#000000',
  },
}

SCSS

$custom: #436bc0;
$custom-light: #8494d3;
$custom-dark: #000000;

JSON

{
  "hex": "#436bc0",
  "rgb": {
    "r": 67,
    "g": 107,
    "b": 192
  },
  "hsl": {
    "h": 220.8,
    "s": 49.801,
    "l": 50.784
  },
  "oklch": {
    "l": 0.54184,
    "c": 0.14033,
    "h": 263.5
  },
  "luminance": 0.15514
}

Semantic roles & 50–950 ramp

primary

#436BC0

secondary

#CBB994

accent

#AD4ED9

background

#F8F9FD

surface

#F0F1FA

border

#CBCBD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #436BC0

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

Preview Lab → · Contrast checker → · Palette generator →