#436FC7#436FC7

#436FC7 is a mid, vivid blue. Relative luminance 0.167; OKLCH L 55.5% C 0.145 H 262.6°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#436FC7
RGB	rgb(67, 111, 199)
HSL	hsl(220, 54%, 52%)
HSV	hsv(220, 66%, 78%)
CMYK	cmyk(66.3%, 44.2%, 0%, 22%)
CIE-LAB	lab(47.86, 13.49, -50.40)
CIE-LCH	lch(47.86, 52.18, 284.98°)
OKLab	oklab(55.5% -0.0186 -0.144)
OKLCH	oklch(55.5% 0.145 262.6)
XYZ	xyz(18.3043, 16.6839, 56.2774)
Luminance	0.1669 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436FC7 #C79B43

analogous

#43B1C7 #436FC7 #5943C7

triadic

#436FC7 #C7436F #6FC743

tetradic

#436FC7 #C743B1 #C79B43 #43C759

square

#436FC7 #C743B1 #C79B43 #43C759

split-complementary

#436FC7 #C75943 #B1C743

monochromatic

#213B6F #2F549E #436FC7 #7293D5 #A1B7E3

Accessibility & contrast

On white

4.84

#436FC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#436FC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436FC7

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436FC7	#FFFFFF	#000000	##FFFFFF
##436FC7	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4578CA

Deuteranopia (green-blind)

#2E6CC5

Tritanopia (blue-blind)

#008391

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #436fc7;
/* rgb */ color: rgb(67, 111, 199);
/* oklch */ color: oklch(55.5% 0.145 262.6);

Tailwind

colors: {
  custom: {
    50: '#8597d8',
    500: '#436fc7',
    950: '#000000',
  },
}

SCSS

$custom: #436fc7;
$custom-light: #8597d8;
$custom-dark: #000000;

JSON

{
  "hex": "#436fc7",
  "rgb": {
    "r": 67,
    "g": 111,
    "b": 199
  },
  "hsl": {
    "h": 220,
    "s": 54.098,
    "l": 52.157
  },
  "oklch": {
    "l": 0.55495,
    "c": 0.14521,
    "h": 262.6
  },
  "luminance": 0.16686
}

Semantic roles & 50–950 ramp

primary

#436FC7

secondary

#D0BD96

accent

#AC4ADD

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #436FC7

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

Preview Lab → · Contrast checker → · Palette generator →