#4379D0#4379D0

#4379D0 is a mid, vivid blue. Relative luminance 0.194; OKLCH L 58.2% C 0.146 H 259.5°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#4379D0
RGB	rgb(67, 121, 208)
HSL	hsl(217, 60%, 54%)
HSV	hsv(217, 68%, 82%)
CMYK	cmyk(67.8%, 41.8%, 0%, 18.4%)
CIE-LAB	lab(51.17, 10.47, -50.24)
CIE-LCH	lch(51.17, 51.32, 281.77°)
OKLab	oklab(58.22% -0.0265 -0.1434)
OKLCH	oklch(58.22% 0.146 259.5)
XYZ	xyz(20.5332, 19.4200, 62.3286)
Luminance	0.1942 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4379D0 #D09A43

analogous

#43C0D0 #4379D0 #5443D0

triadic

#4379D0 #D04379 #79D043

tetradic

#4379D0 #D043C0 #D09A43 #43D054

square

#4379D0 #D043C0 #D09A43 #43D054

split-complementary

#4379D0 #D05443 #C0D043

monochromatic

#1F427A #2B5CAB #4379D0 #749CDC #A5BFE8

Accessibility & contrast

On white

4.30

#4379D0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#4379D0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4379D0

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4379D0	#FFFFFF	#000000	##000000
##4379D0	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5081D3

Deuteranopia (green-blind)

#3974CE

Tritanopia (blue-blind)

#008D9A

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4379d0;
/* rgb */ color: rgb(67, 121, 208);
/* oklch */ color: oklch(58.2% 0.146 259.5);

Tailwind

colors: {
  custom: {
    50: '#869fdf',
    500: '#4379d0',
    950: '#000000',
  },
}

SCSS

$custom: #4379d0;
$custom-light: #869fdf;
$custom-dark: #000000;

JSON

{
  "hex": "#4379d0",
  "rgb": {
    "r": 67,
    "g": 121,
    "b": 208
  },
  "hsl": {
    "h": 217.021,
    "s": 60,
    "l": 53.922
  },
  "oklch": {
    "l": 0.58223,
    "c": 0.14584,
    "h": 259.5
  },
  "luminance": 0.19422
}

Semantic roles & 50–950 ramp

primary

#4379D0

secondary

#D5BE99

accent

#A645E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4379D0

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

Preview Lab → · Contrast checker → · Palette generator →