#436DB3#436DB3

#436DB3 is a mid, moderate blue. Relative luminance 0.154; OKLCH L 53.8% C 0.120 H 260.1°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#436DB3
RGB	rgb(67, 109, 179)
HSL	hsl(218, 46%, 48%)
HSV	hsv(218, 63%, 70%)
CMYK	cmyk(62.6%, 39.1%, 0%, 29.8%)
CIE-LAB	lab(46.16, 7.69, -41.56)
CIE-LCH	lch(46.16, 42.26, 280.48°)
OKLab	oklab(53.81% -0.0207 -0.1181)
OKLCH	oklch(53.81% 0.12 260.1)
XYZ	xyz(15.9172, 15.3838, 44.7696)
Luminance	0.1538 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436DB3 #B38943

analogous

#43A5B3 #436DB3 #5143B3

triadic

#436DB3 #B3436D #6DB343

tetradic

#436DB3 #B343A5 #B38943 #43B351

square

#436DB3 #B343A5 #B38943 #43B351

split-complementary

#436DB3 #B35143 #A5B343

monochromatic

#22375A #325286 #436DB3 #6B8EC8 #98B0D8

Accessibility & contrast

On white

5.15

#436DB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#436DB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436DB3

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436DB3	#FFFFFF	#000000	##FFFFFF
##436DB3	1.00	5.15	4.08	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E73B6

Deuteranopia (green-blind)

#3F69B2

Tritanopia (blue-blind)

#007D87

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #436db3;
/* rgb */ color: rgb(67, 109, 179);
/* oklch */ color: oklch(53.8% 0.120 260.1);

Tailwind

colors: {
  custom: {
    50: '#8196ca',
    500: '#436db3',
    950: '#000000',
  },
}

SCSS

$custom: #436db3;
$custom-light: #8196ca;
$custom-dark: #000000;

JSON

{
  "hex": "#436db3",
  "rgb": {
    "r": 67,
    "g": 109,
    "b": 179
  },
  "hsl": {
    "h": 217.5,
    "s": 45.528,
    "l": 48.235
  },
  "oklch": {
    "l": 0.5381,
    "c": 0.11988,
    "h": 260.1
  },
  "luminance": 0.15385
}

Semantic roles & 50–950 ramp

primary

#436DB3

secondary

#C4B08D

accent

#A453D5

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #436DB3

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

Preview Lab → · Contrast checker → · Palette generator →