#436DC7#436DC7

#436DC7 is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.1% C 0.148 H 263.5°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#436DC7
RGB	rgb(67, 109, 199)
HSL	hsl(221, 54%, 52%)
HSV	hsv(221, 66%, 78%)
CMYK	cmyk(66.3%, 45.2%, 0%, 22%)
CIE-LAB	lab(47.30, 14.74, -51.29)
CIE-LCH	lch(47.30, 53.37, 286.03°)
OKLab	oklab(55.07% -0.0167 -0.1467)
OKLCH	oklch(55.07% 0.148 263.5)
XYZ	xyz(18.0886, 16.2523, 56.2055)
Luminance	0.1625 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436DC7 #C79D43

analogous

#43AFC7 #436DC7 #5B43C7

triadic

#436DC7 #C7436D #6DC743

tetradic

#436DC7 #C743AF #C79D43 #43C75B

square

#436DC7 #C743AF #C79D43 #43C75B

split-complementary

#436DC7 #C75B43 #AFC743

monochromatic

#213A6F #2F529E #436DC7 #7292D5 #A1B6E3

Accessibility & contrast

On white

4.94

#436DC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#436DC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436DC7

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436DC7	#FFFFFF	#000000	##FFFFFF
##436DC7	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4177CA

Deuteranopia (green-blind)

#296BC5

Tritanopia (blue-blind)

#008290

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #436dc7;
/* rgb */ color: rgb(67, 109, 199);
/* oklch */ color: oklch(55.1% 0.148 263.5);

Tailwind

colors: {
  custom: {
    50: '#8596d8',
    500: '#436dc7',
    950: '#000000',
  },
}

SCSS

$custom: #436dc7;
$custom-light: #8596d8;
$custom-dark: #000000;

JSON

{
  "hex": "#436dc7",
  "rgb": {
    "r": 67,
    "g": 109,
    "b": 199
  },
  "hsl": {
    "h": 220.909,
    "s": 54.098,
    "l": 52.157
  },
  "oklch": {
    "l": 0.55068,
    "c": 0.14761,
    "h": 263.5
  },
  "luminance": 0.16254
}

Semantic roles & 50–950 ramp

primary

#436DC7

secondary

#D0BD96

accent

#AF4ADD

background

#F8F9FD

surface

#F0F1FA

border

#CBCBD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #436DC7

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

Preview Lab → · Contrast checker → · Palette generator →