#436ECD#436ECD

#436ECD is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.7% C 0.155 H 263.8°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#436ECD
RGB	rgb(67, 110, 205)
HSL	hsl(221, 58%, 53%)
HSV	hsv(221, 67%, 80%)
CMYK	cmyk(67.3%, 46.3%, 0%, 19.6%)
CIE-LAB	lab(47.94, 16.25, -53.70)
CIE-LCH	lch(47.94, 56.11, 286.83°)
OKLab	oklab(55.68% -0.0167 -0.1537)
OKLCH	oklch(55.68% 0.155 263.8)
XYZ	xyz(18.9062, 16.7511, 59.9827)
Luminance	0.1675 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436ECD #CDA243

analogous

#43B3CD #436ECD #5D43CD

triadic

#436ECD #CD436E #6ECD43

tetradic

#436ECD #CD43B3 #CDA243 #43CD5D

square

#436ECD #CD43B3 #CDA243 #43CD5D

split-complementary

#436ECD #CD5D43 #B3CD43

monochromatic

#1F3A76 #2C52A7 #436ECD #7393DA #A4B9E7

Accessibility & contrast

On white

4.83

#436ECD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#436ECD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436ECD

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436ECD	#FFFFFF	#000000	##FFFFFF
##436ECD	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E79D1

Deuteranopia (green-blind)

#226CCB

Tritanopia (blue-blind)

#008493

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #436ecd;
/* rgb */ color: rgb(67, 110, 205);
/* oklch */ color: oklch(55.7% 0.155 263.8);

Tailwind

colors: {
  custom: {
    50: '#8697dd',
    500: '#436ecd',
    950: '#000000',
  },
}

SCSS

$custom: #436ecd;
$custom-light: #8697dd;
$custom-dark: #000000;

JSON

{
  "hex": "#436ecd",
  "rgb": {
    "r": 67,
    "g": 110,
    "b": 205
  },
  "hsl": {
    "h": 221.304,
    "s": 57.983,
    "l": 53.333
  },
  "oklch": {
    "l": 0.55678,
    "c": 0.15464,
    "h": 263.8
  },
  "luminance": 0.16753
}

Semantic roles & 50–950 ramp

primary

#436ECD

secondary

#D4C198

accent

#B147E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #436ECD

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

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