#436CCB#436CCB

#436CCB is a mid, vivid blue. Relative luminance 0.162; OKLCH L 55.1% C 0.154 H 264.4°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#436CCB
RGB	rgb(67, 108, 203)
HSL	hsl(222, 57%, 53%)
HSV	hsv(222, 67%, 80%)
CMYK	cmyk(67%, 46.8%, 0%, 20.4%)
CIE-LAB	lab(47.27, 16.79, -53.64)
CIE-LCH	lch(47.27, 56.20, 287.39°)
OKLab	oklab(55.12% -0.0151 -0.1536)
OKLCH	oklch(55.12% 0.154 264.4)
XYZ	xyz(18.4530, 16.2284, 58.6482)
Luminance	0.1623 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436CCB #CBA243

analogous

#43B0CB #436CCB #5E43CB

triadic

#436CCB #CB436C #6CCB43

tetradic

#436CCB #CB43B0 #CBA243 #43CB5E

square

#436CCB #CB43B0 #CBA243 #43CB5E

split-complementary

#436CCB #CB5E43 #B0CB43

monochromatic

#203974 #2D51A4 #436CCB #7391D8 #A3B7E6

Accessibility & contrast

On white

4.95

#436CCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#436CCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436CCB

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436CCB	#FFFFFF	#000000	##FFFFFF
##436CCB	1.00	4.95	4.25	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B77CF

Deuteranopia (green-blind)

#1F6AC9

Tritanopia (blue-blind)

#008292

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #436ccb;
/* rgb */ color: rgb(67, 108, 203);
/* oklch */ color: oklch(55.1% 0.154 264.4);

Tailwind

colors: {
  custom: {
    50: '#8695db',
    500: '#436ccb',
    950: '#000000',
  },
}

SCSS

$custom: #436ccb;
$custom-light: #8695db;
$custom-dark: #000000;

JSON

{
  "hex": "#436ccb",
  "rgb": {
    "r": 67,
    "g": 108,
    "b": 203
  },
  "hsl": {
    "h": 221.912,
    "s": 56.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.55123,
    "c": 0.15431,
    "h": 264.4
  },
  "luminance": 0.1623
}

Semantic roles & 50–950 ramp

primary

#436CCB

secondary

#D2C198

accent

#B248E0

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #436CCB

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

Preview Lab → · Contrast checker → · Palette generator →