#4366CC#4366CC

#4366CC is a mid, vivid blue. Relative luminance 0.151; OKLCH L 53.9% C 0.163 H 266.7°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#4366CC
RGB	rgb(67, 102, 204)
HSL	hsl(225, 57%, 53%)
HSV	hsv(225, 67%, 80%)
CMYK	cmyk(67.2%, 50%, 0%, 20%)
CIE-LAB	lab(45.71, 20.94, -56.73)
CIE-LCH	lch(45.71, 60.47, 290.26°)
OKLab	oklab(53.95% -0.0095 -0.1627)
OKLCH	oklch(53.95% 0.163 266.7)
XYZ	xyz(17.9614, 15.0539, 59.0742)
Luminance	0.1506 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4366CC #CCA943

analogous

#43AACC #4366CC #6543CC

triadic

#4366CC #CC4366 #66CC43

tetradic

#4366CC #CC43AA #CCA943 #43CC65

square

#4366CC #CC43AA #CCA943 #43CC65

split-complementary

#4366CC #CC6543 #AACC43

monochromatic

#203575 #2D4BA5 #4366CC #738DD9 #A3B4E6

Accessibility & contrast

On white

5.24

#4366CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#4366CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4366CC

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4366CC	#FFFFFF	#000000	##FFFFFF
##4366CC	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C73D0

Deuteranopia (green-blind)

#0066CA

Tritanopia (blue-blind)

#007E8F

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #4366cc;
/* rgb */ color: rgb(67, 102, 204);
/* oklch */ color: oklch(53.9% 0.163 266.7);

Tailwind

colors: {
  custom: {
    50: '#8691dc',
    500: '#4366cc',
    950: '#000000',
  },
}

SCSS

$custom: #4366cc;
$custom-light: #8691dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4366cc",
  "rgb": {
    "r": 67,
    "g": 102,
    "b": 204
  },
  "hsl": {
    "h": 224.672,
    "s": 57.322,
    "l": 53.137
  },
  "oklch": {
    "l": 0.5395,
    "c": 0.16303,
    "h": 266.7
  },
  "luminance": 0.15056
}

Semantic roles & 50–950 ramp

primary

#4366CC

secondary

#D3C498

accent

#B947E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #4366CC

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

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