#436FBA#436FBA

#436FBA is a mid, vivid blue. Relative luminance 0.161; OKLCH L 54.7% C 0.127 H 260.4°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#436FBA
RGB	rgb(67, 111, 186)
HSL	hsl(218, 47%, 50%)
HSV	hsv(218, 64%, 73%)
CMYK	cmyk(64%, 40.3%, 0%, 27.1%)
CIE-LAB	lab(47.11, 8.89, -44.10)
CIE-LCH	lch(47.11, 44.99, 281.40°)
OKLab	oklab(54.68% -0.0212 -0.1255)
OKLCH	oklch(54.68% 0.127 260.4)
XYZ	xyz(16.8590, 16.1058, 48.6651)
Luminance	0.1611 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436FBA #BA8E43

analogous

#43ABBA #436FBA #5243BA

triadic

#436FBA #BA436F #6FBA43

tetradic

#436FBA #BA43AB #BA8E43 #43BA52

square

#436FBA #BA43AB #BA8E43 #43BA52

split-complementary

#436FBA #BA5243 #ABBA43

monochromatic

#233960 #33548D #436FBA #6F91CB #9CB3DB

Accessibility & contrast

On white

4.97

#436FBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#436FBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436FBA

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436FBA	#FFFFFF	#000000	##FFFFFF
##436FBA	1.00	4.97	4.22	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E76BD

Deuteranopia (green-blind)

#3C6BB8

Tritanopia (blue-blind)

#00808B

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #436fba;
/* rgb */ color: rgb(67, 111, 186);
/* oklch */ color: oklch(54.7% 0.127 260.4);

Tailwind

colors: {
  custom: {
    50: '#8297cf',
    500: '#436fba',
    950: '#000000',
  },
}

SCSS

$custom: #436fba;
$custom-light: #8297cf;
$custom-dark: #000000;

JSON

{
  "hex": "#436fba",
  "rgb": {
    "r": 67,
    "g": 111,
    "b": 186
  },
  "hsl": {
    "h": 217.815,
    "s": 47.036,
    "l": 49.608
  },
  "oklch": {
    "l": 0.54677,
    "c": 0.12729,
    "h": 260.4
  },
  "luminance": 0.16107
}

Semantic roles & 50–950 ramp

primary

#436FBA

secondary

#C8B391

accent

#A551D7

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #436FBA

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

Preview Lab → · Contrast checker → · Palette generator →