#436DB1#436DB1

#436DB1 is a mid, moderate blue. Relative luminance 0.153; OKLCH L 53.7% C 0.117 H 259.6°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#436DB1
RGB	rgb(67, 109, 177)
HSL	hsl(217, 45%, 48%)
HSV	hsv(217, 62%, 69%)
CMYK	cmyk(62.1%, 38.4%, 0%, 30.6%)
CIE-LAB	lab(46.05, 6.99, -40.56)
CIE-LCH	lch(46.05, 41.16, 279.78°)
OKLab	oklab(53.69% -0.0211 -0.1152)
OKLCH	oklch(53.69% 0.117 259.6)
XYZ	xyz(15.7164, 15.3035, 43.7121)
Luminance	0.1530 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436DB1 #B18743

analogous

#43A4B1 #436DB1 #5043B1

triadic

#436DB1 #B1436D #6DB143

tetradic

#436DB1 #B143A4 #B18743 #43B150

square

#436DB1 #B143A4 #B18743 #43B150

split-complementary

#436DB1 #B15043 #A4B143

monochromatic

#213658 #325285 #436DB1 #6A8EC7 #97B0D8

Accessibility & contrast

On white

5.17

#436DB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#436DB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436DB1

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436DB1	#FFFFFF	#000000	##FFFFFF
##436DB1	1.00	5.17	4.06	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5073B4

Deuteranopia (green-blind)

#4068B0

Tritanopia (blue-blind)

#007C86

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #436db1;
/* rgb */ color: rgb(67, 109, 177);
/* oklch */ color: oklch(53.7% 0.117 259.6);

Tailwind

colors: {
  custom: {
    50: '#8196c8',
    500: '#436db1',
    950: '#000000',
  },
}

SCSS

$custom: #436db1;
$custom-light: #8196c8;
$custom-dark: #000000;

JSON

{
  "hex": "#436db1",
  "rgb": {
    "r": 67,
    "g": 109,
    "b": 177
  },
  "hsl": {
    "h": 217.091,
    "s": 45.082,
    "l": 47.843
  },
  "oklch": {
    "l": 0.5369,
    "c": 0.1171,
    "h": 259.6
  },
  "luminance": 0.15305
}

Semantic roles & 50–950 ramp

primary

#436DB1

secondary

#C3AE8C

accent

#A353D5

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #436DB1

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

Preview Lab → · Contrast checker → · Palette generator →