#4368D9#4368D9

#4368D9 is a mid, vivid blue. Relative luminance 0.161; OKLCH L 55.3% C 0.178 H 266.8°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#4368D9
RGB	rgb(67, 104, 217)
HSL	hsl(225, 66%, 56%)
HSV	hsv(225, 69%, 85%)
CMYK	cmyk(69.1%, 52.1%, 0%, 14.9%)
CIE-LAB	lab(47.11, 24.31, -61.89)
CIE-LCH	lch(47.11, 66.50, 291.44°)
OKLab	oklab(55.29% -0.0099 -0.1779)
OKLCH	oklch(55.29% 0.178 266.8)
XYZ	xyz(19.7851, 16.1017, 67.6974)
Luminance	0.1610 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4368D9 #D9B443

analogous

#43B3D9 #4368D9 #6943D9

triadic

#4368D9 #D94368 #68D943

tetradic

#4368D9 #D943B3 #D9B443 #43D969

square

#4368D9 #D943B3 #D9B443 #43D969

split-complementary

#4368D9 #D96943 #B3D943

monochromatic

#1B3686 #254AB9 #4368D9 #7691E3 #A9BAEE

Accessibility & contrast

On white

4.98

#4368D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#4368D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4368D9

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4368D9	#FFFFFF	#000000	##FFFFFF
##4368D9	1.00	4.98	4.22	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D77DD

Deuteranopia (green-blind)

#0069D7

Tritanopia (blue-blind)

#008396

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #4368d9;
/* rgb */ color: rgb(67, 104, 217);
/* oklch */ color: oklch(55.3% 0.178 266.8);

Tailwind

colors: {
  custom: {
    50: '#8892e5',
    500: '#4368d9',
    950: '#000000',
  },
}

SCSS

$custom: #4368d9;
$custom-light: #8892e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4368d9",
  "rgb": {
    "r": 67,
    "g": 104,
    "b": 217
  },
  "hsl": {
    "h": 225.2,
    "s": 66.372,
    "l": 55.686
  },
  "oklch": {
    "l": 0.55288,
    "c": 0.1782,
    "h": 266.8
  },
  "luminance": 0.16104
}

Semantic roles & 50–950 ramp

primary

#4368D9

secondary

#DBCC9D

accent

#BF3FE9

background

#F9F8FE

surface

#F1F0FC

border

#CBCBD5

text

#0D0D16

muted

#7E7D84

Preview Lab

Preview with #4368D9

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

Preview Lab → · Contrast checker → · Palette generator →