#436DDA#436DDA

#436DDA is a mid, vivid blue. Relative luminance 0.172; OKLCH L 56.4% C 0.173 H 265.3°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#436DDA
RGB	rgb(67, 109, 218)
HSL	hsl(223, 67%, 56%)
HSV	hsv(223, 69%, 85%)
CMYK	cmyk(69.3%, 50%, 0%, 14.5%)
CIE-LAB	lab(48.50, 21.52, -60.21)
CIE-LCH	lch(48.50, 63.94, 289.66°)
OKLab	oklab(56.37% -0.0141 -0.1729)
OKLCH	oklch(56.37% 0.173 265.3)
XYZ	xyz(20.4338, 17.1905, 68.5573)
Luminance	0.1719 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436DDA #DAB043

analogous

#43B9DA #436DDA #6443DA

triadic

#436DDA #DA436D #6DDA43

tetradic

#436DDA #DA43B9 #DAB043 #43DA64

square

#436DDA #DA43B9 #DAB043 #43DA64

split-complementary

#436DDA #DA6443 #B9DA43

monochromatic

#1B3988 #254FBB #436DDA #7695E4 #A9BCEE

Accessibility & contrast

On white

4.73

#436DDA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#436DDA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436DDA

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436DDA	#FFFFFF	#000000	##FFFFFF
##436DDA	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D7ADE

Deuteranopia (green-blind)

#006DD8

Tritanopia (blue-blind)

#008799

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #436dda;
/* rgb */ color: rgb(67, 109, 218);
/* oklch */ color: oklch(56.4% 0.173 265.3);

Tailwind

colors: {
  custom: {
    50: '#8896e6',
    500: '#436dda',
    950: '#000000',
  },
}

SCSS

$custom: #436dda;
$custom-light: #8896e6;
$custom-dark: #000000;

JSON

{
  "hex": "#436dda",
  "rgb": {
    "r": 67,
    "g": 109,
    "b": 218
  },
  "hsl": {
    "h": 223.311,
    "s": 67.111,
    "l": 55.882
  },
  "oklch": {
    "l": 0.56366,
    "c": 0.17348,
    "h": 265.3
  },
  "luminance": 0.17193
}

Semantic roles & 50–950 ramp

primary

#436DDA

secondary

#DCCA9D

accent

#BA3EEA

background

#F9F9FE

surface

#F1F1FC

border

#CBCBD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #436DDA

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

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