#4379CE#4379CE

#4379CE is a mid, vivid blue. Relative luminance 0.193; OKLCH L 58.1% C 0.143 H 259.1°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#4379CE
RGB	rgb(67, 121, 206)
HSL	hsl(217, 59%, 54%)
HSV	hsv(217, 67%, 81%)
CMYK	cmyk(67.5%, 41.3%, 0%, 19.2%)
CIE-LAB	lab(51.06, 9.76, -49.29)
CIE-LCH	lch(51.06, 50.24, 281.20°)
OKLab	oklab(58.1% -0.0269 -0.1406)
OKLCH	oklch(58.1% 0.143 259.1)
XYZ	xyz(20.2887, 19.3222, 61.0409)
Luminance	0.1932 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4379CE #CE9843

analogous

#43BECE #4379CE #5243CE

triadic

#4379CE #CE4379 #79CE43

tetradic

#4379CE #CE43BE #CE9843 #43CE52

square

#4379CE #CE43BE #CE9843 #43CE52

split-complementary

#4379CE #CE5243 #BECE43

monochromatic

#1F4177 #2C5CA8 #4379CE #749CDB #A4BEE7

Accessibility & contrast

On white

4.32

#4379CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#4379CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4379CE

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4379CE	#FFFFFF	#000000	##000000
##4379CE	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5281D1

Deuteranopia (green-blind)

#3C74CC

Tritanopia (blue-blind)

#008D99

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4379ce;
/* rgb */ color: rgb(67, 121, 206);
/* oklch */ color: oklch(58.1% 0.143 259.1);

Tailwind

colors: {
  custom: {
    50: '#869fdd',
    500: '#4379ce',
    950: '#000000',
  },
}

SCSS

$custom: #4379ce;
$custom-light: #869fdd;
$custom-dark: #000000;

JSON

{
  "hex": "#4379ce",
  "rgb": {
    "r": 67,
    "g": 121,
    "b": 206
  },
  "hsl": {
    "h": 216.691,
    "s": 58.65,
    "l": 53.529
  },
  "oklch": {
    "l": 0.58099,
    "c": 0.14315,
    "h": 259.1
  },
  "luminance": 0.19324
}

Semantic roles & 50–950 ramp

primary

#4379CE

secondary

#D4BD99

accent

#A546E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4379CE

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

Preview Lab → · Contrast checker → · Palette generator →