#4366B0#4366B0

#4366B0 is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.1% C 0.124 H 263.6°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#4366B0
RGB	rgb(67, 102, 176)
HSL	hsl(221, 45%, 48%)
HSV	hsv(221, 62%, 69%)
CMYK	cmyk(61.9%, 42%, 0%, 31%)
CIE-LAB	lab(43.99, 11.03, -43.25)
CIE-LCH	lch(43.99, 44.64, 284.31°)
OKLab	oklab(52.08% -0.0138 -0.1231)
OKLCH	oklch(52.08% 0.124 263.6)
XYZ	xyz(14.8999, 13.8293, 42.9500)
Luminance	0.1383 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4366B0 #B08D43

analogous

#439CB0 #4366B0 #5643B0

triadic

#4366B0 #B04366 #66B043

tetradic

#4366B0 #B0439C #B08D43 #43B056

square

#4366B0 #B0439C #B08D43 #43B056

split-complementary

#4366B0 #B05643 #9CB043

monochromatic

#213357 #324C84 #4366B0 #6A88C6 #96ABD7

Accessibility & contrast

On white

5.58

#4366B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#4366B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4366B0

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4366B0	#FFFFFF	#000000	##FFFFFF
##4366B0	1.00	5.58	3.77	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#456DB3

Deuteranopia (green-blind)

#3563AE

Tritanopia (blue-blind)

#007782

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4366b0;
/* rgb */ color: rgb(67, 102, 176);
/* oklch */ color: oklch(52.1% 0.124 263.6);

Tailwind

colors: {
  custom: {
    50: '#8191c8',
    500: '#4366b0',
    950: '#000000',
  },
}

SCSS

$custom: #4366b0;
$custom-light: #8191c8;
$custom-dark: #000000;

JSON

{
  "hex": "#4366b0",
  "rgb": {
    "r": 67,
    "g": 102,
    "b": 176
  },
  "hsl": {
    "h": 220.734,
    "s": 44.856,
    "l": 47.647
  },
  "oklch": {
    "l": 0.52078,
    "c": 0.12391,
    "h": 263.6
  },
  "luminance": 0.13831
}

Semantic roles & 50–950 ramp

primary

#4366B0

secondary

#C3B18C

accent

#AB53D5

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #4366B0

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

Preview Lab → · Contrast checker → · Palette generator →