#436DE1#436DE1

#436DE1 is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.9% C 0.183 H 265.8°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#436DE1
RGB	rgb(67, 109, 225)
HSL	hsl(224, 72%, 57%)
HSV	hsv(224, 70%, 88%)
CMYK	cmyk(70.2%, 51.6%, 0%, 11.8%)
CIE-LAB	lab(48.96, 24.02, -63.42)
CIE-LCH	lch(48.96, 67.82, 290.74°)
OKLab	oklab(56.87% -0.0134 -0.1824)
OKLCH	oklch(56.87% 0.183 265.8)
XYZ	xyz(21.3692, 17.5646, 73.4837)
Luminance	0.1757 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436DE1 #E1B743

analogous

#43BCE1 #436DE1 #6843E1

triadic

#436DE1 #E1436D #6DE143

tetradic

#436DE1 #E143BC #E1B743 #43E168

square

#436DE1 #E143BC #E1B743 #43E168

split-complementary

#436DE1 #E16843 #BCE143

monochromatic

#173892 #204CC7 #436DE1 #7896E9 #ADBFF2

Accessibility & contrast

On white

4.65

#436DE1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#436DE1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #436DE1

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436DE1	#FFFFFF	#000000	##FFFFFF
##436DE1	1.00	4.65	4.51	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#217CE5

Deuteranopia (green-blind)

#006DDF

Tritanopia (blue-blind)

#00899D

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #436de1;
/* rgb */ color: rgb(67, 109, 225);
/* oklch */ color: oklch(56.9% 0.183 265.8);

Tailwind

colors: {
  custom: {
    50: '#8a96eb',
    500: '#436de1',
    950: '#000000',
  },
}

SCSS

$custom: #436de1;
$custom-light: #8a96eb;
$custom-dark: #000000;

JSON

{
  "hex": "#436de1",
  "rgb": {
    "r": 67,
    "g": 109,
    "b": 225
  },
  "hsl": {
    "h": 224.051,
    "s": 72.477,
    "l": 57.255
  },
  "oklch": {
    "l": 0.56867,
    "c": 0.18284,
    "h": 265.8
  },
  "luminance": 0.17567
}

Semantic roles & 50–950 ramp

primary

#436DE1

secondary

#E0CFA0

accent

#BF39EF

background

#F9F9FE

surface

#F1F1FD

border

#CBCBD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #436DE1

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

Preview Lab → · Contrast checker → · Palette generator →