#436CDB#436CDB

#436CDB is a mid, vivid blue. Relative luminance 0.170; OKLCH L 56.2% C 0.176 H 265.7°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#436CDB
RGB	rgb(67, 108, 219)
HSL	hsl(224, 68%, 56%)
HSV	hsv(224, 69%, 86%)
CMYK	cmyk(69.4%, 50.7%, 0%, 14.1%)
CIE-LAB	lab(48.30, 22.50, -61.10)
CIE-LCH	lch(48.30, 65.12, 290.22°)
OKLab	oklab(56.23% -0.0131 -0.1755)
OKLCH	oklch(56.23% 0.176 265.7)
XYZ	xyz(20.4590, 17.0308, 69.2132)
Luminance	0.1703 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436CDB #DBB243

analogous

#43B8DB #436CDB #6643DB

triadic

#436CDB #DB436C #6CDB43

tetradic

#436CDB #DB43B8 #DBB243 #43DB66

square

#436CDB #DB43B8 #DBB243 #43DB66

split-complementary

#436CDB #DB6643 #B8DB43

monochromatic

#1A3889 #244DBD #436CDB #7694E5 #AABCEF

Accessibility & contrast

On white

4.77

#436CDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#436CDB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436CDB

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436CDB	#FFFFFF	#000000	##FFFFFF
##436CDB	1.00	4.77	4.41	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#287ADF

Deuteranopia (green-blind)

#006CD9

Tritanopia (blue-blind)

#008699

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #436cdb;
/* rgb */ color: rgb(67, 108, 219);
/* oklch */ color: oklch(56.2% 0.176 265.7);

Tailwind

colors: {
  custom: {
    50: '#8995e7',
    500: '#436cdb',
    950: '#000000',
  },
}

SCSS

$custom: #436cdb;
$custom-light: #8995e7;
$custom-dark: #000000;

JSON

{
  "hex": "#436cdb",
  "rgb": {
    "r": 67,
    "g": 108,
    "b": 219
  },
  "hsl": {
    "h": 223.816,
    "s": 67.857,
    "l": 56.078
  },
  "oklch": {
    "l": 0.56234,
    "c": 0.17603,
    "h": 265.7
  },
  "luminance": 0.17033
}

Semantic roles & 50–950 ramp

primary

#436CDB

secondary

#DCCB9E

accent

#BC3DEB

background

#F9F9FE

surface

#F1F1FC

border

#CBCBD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #436CDB

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

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