#436AC9#436AC9

#436AC9 is a mid, vivid blue. Relative luminance 0.157; OKLCH L 54.6% C 0.154 H 264.9°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#436AC9
RGB	rgb(67, 106, 201)
HSL	hsl(223, 55%, 53%)
HSV	hsv(223, 67%, 79%)
CMYK	cmyk(66.7%, 47.3%, 0%, 21.2%)
CIE-LAB	lab(46.60, 17.34, -53.57)
CIE-LCH	lch(46.60, 56.31, 287.94°)
OKLab	oklab(54.57% -0.0136 -0.1534)
OKLCH	oklch(54.57% 0.154 264.9)
XYZ	xyz(18.0077, 15.7167, 57.3316)
Luminance	0.1572 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436AC9 #C9A243

analogous

#43ADC9 #436AC9 #5F43C9

triadic

#436AC9 #C9436A #6AC943

tetradic

#436AC9 #C943AD #C9A243 #43C95F

square

#436AC9 #C943AD #C9A243 #43C95F

split-complementary

#436AC9 #C95F43 #ADC943

monochromatic

#203871 #2E4FA1 #436AC9 #7390D7 #A2B5E4

Accessibility & contrast

On white

5.07

#436AC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#436AC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436AC9

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436AC9	#FFFFFF	#000000	##FFFFFF
##436AC9	1.00	5.07	4.14	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3975CD

Deuteranopia (green-blind)

#1C69C7

Tritanopia (blue-blind)

#008090

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #436ac9;
/* rgb */ color: rgb(67, 106, 201);
/* oklch */ color: oklch(54.6% 0.154 264.9);

Tailwind

colors: {
  custom: {
    50: '#8594da',
    500: '#436ac9',
    950: '#000000',
  },
}

SCSS

$custom: #436ac9;
$custom-light: #8594da;
$custom-dark: #000000;

JSON

{
  "hex": "#436ac9",
  "rgb": {
    "r": 67,
    "g": 106,
    "b": 201
  },
  "hsl": {
    "h": 222.537,
    "s": 55.372,
    "l": 52.549
  },
  "oklch": {
    "l": 0.54569,
    "c": 0.154,
    "h": 264.9
  },
  "luminance": 0.15718
}

Semantic roles & 50–950 ramp

primary

#436AC9

secondary

#D1C097

accent

#B349DF

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #436AC9

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

Preview Lab → · Contrast checker → · Palette generator →