#436DD5#436DD5

#436DD5 is a mid, vivid blue. Relative luminance 0.169; OKLCH L 56.0% C 0.167 H 264.9°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#436DD5
RGB	rgb(67, 109, 213)
HSL	hsl(223, 63%, 55%)
HSV	hsv(223, 69%, 84%)
CMYK	cmyk(68.5%, 48.8%, 0%, 16.5%)
CIE-LAB	lab(48.18, 19.73, -57.90)
CIE-LCH	lch(48.18, 61.17, 288.82°)
OKLab	oklab(56.02% -0.0147 -0.1661)
OKLCH	oklch(56.02% 0.167 264.9)
XYZ	xyz(19.7894, 16.9327, 65.1633)
Luminance	0.1694 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436DD5 #D5AB43

analogous

#43B6D5 #436DD5 #6243D5

triadic

#436DD5 #D5436D #6DD543

tetradic

#436DD5 #D543B6 #D5AB43 #43D562

square

#436DD5 #D543B6 #D5AB43 #43D562

split-complementary

#436DD5 #D56243 #B6D543

monochromatic

#1D3A81 #2850B3 #436DD5 #7594E0 #A7BBEB

Accessibility & contrast

On white

4.79

#436DD5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#436DD5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436DD5

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436DD5	#FFFFFF	#000000	##FFFFFF
##436DD5	1.00	4.79	4.39	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3379D9

Deuteranopia (green-blind)

#026CD3

Tritanopia (blue-blind)

#008597

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #436dd5;
/* rgb */ color: rgb(67, 109, 213);
/* oklch */ color: oklch(56.0% 0.167 264.9);

Tailwind

colors: {
  custom: {
    50: '#8796e3',
    500: '#436dd5',
    950: '#000000',
  },
}

SCSS

$custom: #436dd5;
$custom-light: #8796e3;
$custom-dark: #000000;

JSON

{
  "hex": "#436dd5",
  "rgb": {
    "r": 67,
    "g": 109,
    "b": 213
  },
  "hsl": {
    "h": 222.74,
    "s": 63.478,
    "l": 54.902
  },
  "oklch": {
    "l": 0.56015,
    "c": 0.16673,
    "h": 264.9
  },
  "luminance": 0.16935
}

Semantic roles & 50–950 ramp

primary

#436DD5

secondary

#D9C79B

accent

#B741E7

background

#F9F9FD

surface

#F1F1FB

border

#CBCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #436DD5

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

Preview Lab → · Contrast checker → · Palette generator →