#436EC7#436EC7

#436EC7 is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.3% C 0.146 H 263.1°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#436EC7
RGB	rgb(67, 110, 199)
HSL	hsl(220, 54%, 52%)
HSV	hsv(220, 66%, 78%)
CMYK	cmyk(66.3%, 44.7%, 0%, 22%)
CIE-LAB	lab(47.58, 14.11, -50.85)
CIE-LCH	lch(47.58, 52.77, 285.51°)
OKLab	oklab(55.28% -0.0177 -0.1453)
OKLCH	oklch(55.28% 0.146 263.1)
XYZ	xyz(18.1958, 16.4669, 56.2413)
Luminance	0.1647 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436EC7 #C79C43

analogous

#43B0C7 #436EC7 #5A43C7

triadic

#436EC7 #C7436E #6EC743

tetradic

#436EC7 #C743B0 #C79C43 #43C75A

square

#436EC7 #C743B0 #C79C43 #43C75A

split-complementary

#436EC7 #C75A43 #B0C743

monochromatic

#213A6F #2F539E #436EC7 #7292D5 #A1B7E3

Accessibility & contrast

On white

4.89

#436EC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#436EC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436EC7

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436EC7	#FFFFFF	#000000	##FFFFFF
##436EC7	1.00	4.89	4.29	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4377CA

Deuteranopia (green-blind)

#2B6BC5

Tritanopia (blue-blind)

#008291

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #436ec7;
/* rgb */ color: rgb(67, 110, 199);
/* oklch */ color: oklch(55.3% 0.146 263.1);

Tailwind

colors: {
  custom: {
    50: '#8597d8',
    500: '#436ec7',
    950: '#000000',
  },
}

SCSS

$custom: #436ec7;
$custom-light: #8597d8;
$custom-dark: #000000;

JSON

{
  "hex": "#436ec7",
  "rgb": {
    "r": 67,
    "g": 110,
    "b": 199
  },
  "hsl": {
    "h": 220.455,
    "s": 54.098,
    "l": 52.157
  },
  "oklch": {
    "l": 0.55282,
    "c": 0.14641,
    "h": 263.1
  },
  "luminance": 0.16469
}

Semantic roles & 50–950 ramp

primary

#436EC7

secondary

#D0BD96

accent

#AE4ADD

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #436EC7

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

Preview Lab → · Contrast checker → · Palette generator →