#436FB7#436FB7

#436FB7 is a mid, vivid blue. Relative luminance 0.160; OKLCH L 54.5% C 0.123 H 259.8°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#436FB7
RGB	rgb(67, 111, 183)
HSL	hsl(217, 46%, 49%)
HSV	hsv(217, 63%, 72%)
CMYK	cmyk(63.4%, 39.3%, 0%, 28.2%)
CIE-LAB	lab(46.95, 7.84, -42.62)
CIE-LCH	lch(46.95, 43.34, 280.43°)
OKLab	oklab(54.5% -0.0219 -0.1212)
OKLCH	oklch(54.5% 0.123 259.8)
XYZ	xyz(16.5434, 15.9795, 47.0031)
Luminance	0.1598 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436FB7 #B78B43

analogous

#43A9B7 #436FB7 #5143B7

triadic

#436FB7 #B7436F #6FB743

tetradic

#436FB7 #B743A9 #B78B43 #43B751

square

#436FB7 #B743A9 #B78B43 #43B751

split-complementary

#436FB7 #B75143 #A9B743

monochromatic

#22395D #33548A #436FB7 #6D90CA #9AB2DA

Accessibility & contrast

On white

5.00

#436FB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#436FB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436FB7

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436FB7	#FFFFFF	#000000	##FFFFFF
##436FB7	1.00	5.00	4.20	5.00
#FFFFFF	5.00	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F75BA

Deuteranopia (green-blind)

#3F6AB6

Tritanopia (blue-blind)

#007F8A

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #436fb7;
/* rgb */ color: rgb(67, 111, 183);
/* oklch */ color: oklch(54.5% 0.123 259.8);

Tailwind

colors: {
  custom: {
    50: '#8297cd',
    500: '#436fb7',
    950: '#000000',
  },
}

SCSS

$custom: #436fb7;
$custom-light: #8297cd;
$custom-dark: #000000;

JSON

{
  "hex": "#436fb7",
  "rgb": {
    "r": 67,
    "g": 111,
    "b": 183
  },
  "hsl": {
    "h": 217.241,
    "s": 46.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.54495,
    "c": 0.12315,
    "h": 259.8
  },
  "luminance": 0.15981
}

Semantic roles & 50–950 ramp

primary

#436FB7

secondary

#C6B190

accent

#A452D6

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #436FB7

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

Preview Lab → · Contrast checker → · Palette generator →