#436FDA#436FDA

#436FDA is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.8% C 0.171 H 264.7°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#436FDA
RGB	rgb(67, 111, 218)
HSL	hsl(223, 67%, 56%)
HSV	hsv(223, 69%, 85%)
CMYK	cmyk(69.3%, 49.1%, 0%, 14.5%)
CIE-LAB	lab(49.03, 20.26, -59.35)
CIE-LCH	lch(49.03, 62.71, 288.85°)
OKLab	oklab(56.77% -0.0158 -0.1703)
OKLCH	oklch(56.77% 0.171 264.7)
XYZ	xyz(20.6496, 17.6220, 68.6292)
Luminance	0.1762 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436FDA #DAAE43

analogous

#43BADA #436FDA #6243DA

triadic

#436FDA #DA436F #6FDA43

tetradic

#436FDA #DA43BA #DAAE43 #43DA62

square

#436FDA #DA43BA #DAAE43 #43DA62

split-complementary

#436FDA #DA6243 #BADA43

monochromatic

#1B3B88 #2551BB #436FDA #7696E4 #A9BDEE

Accessibility & contrast

On white

4.64

#436FDA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#436FDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #436FDA

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436FDA	#FFFFFF	#000000	##FFFFFF
##436FDA	1.00	4.64	4.52	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#327CDE

Deuteranopia (green-blind)

#006ED8

Tritanopia (blue-blind)

#00889A

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #436fda;
/* rgb */ color: rgb(67, 111, 218);
/* oklch */ color: oklch(56.8% 0.171 264.7);

Tailwind

colors: {
  custom: {
    50: '#8897e6',
    500: '#436fda',
    950: '#000000',
  },
}

SCSS

$custom: #436fda;
$custom-light: #8897e6;
$custom-dark: #000000;

JSON

{
  "hex": "#436fda",
  "rgb": {
    "r": 67,
    "g": 111,
    "b": 218
  },
  "hsl": {
    "h": 222.517,
    "s": 67.111,
    "l": 55.882
  },
  "oklch": {
    "l": 0.56773,
    "c": 0.17106,
    "h": 264.7
  },
  "luminance": 0.17624
}

Semantic roles & 50–950 ramp

primary

#436FDA

secondary

#DCC99D

accent

#B83EEA

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #436FDA

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

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