#4379DA#4379DA

#4379DA is a mid, vivid blue. Relative luminance 0.199; OKLCH L 58.9% C 0.159 H 261.1°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#4379DA
RGB	rgb(67, 121, 218)
HSL	hsl(219, 67%, 56%)
HSV	hsv(219, 69%, 85%)
CMYK	cmyk(69.3%, 44.5%, 0%, 14.5%)
CIE-LAB	lab(51.76, 14.02, -54.98)
CIE-LCH	lch(51.76, 56.74, 284.31°)
OKLab	oklab(58.86% -0.0247 -0.1573)
OKLCH	oklch(58.86% 0.159 261.1)
XYZ	xyz(21.8025, 19.9277, 69.0135)
Luminance	0.1993 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4379DA #DAA443

analogous

#43C4DA #4379DA #5843DA

triadic

#4379DA #DA4379 #79DA43

tetradic

#4379DA #DA43C4 #DAA443 #43DA58

square

#4379DA #DA43C4 #DAA443 #43DA58

split-complementary

#4379DA #DA5843 #C4DA43

monochromatic

#1B4288 #255BBB #4379DA #769DE4 #A9C2EE

Accessibility & contrast

On white

4.21

#4379DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.99

#4379DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4379DA

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4379DA	#FFFFFF	#000000	##000000
##4379DA	1.00	4.21	4.99	4.99
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.99	21.00	1.00	1.00
##000000	4.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4983DE

Deuteranopia (green-blind)

#2C75D8

Tritanopia (blue-blind)

#00909F

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #4379da;
/* rgb */ color: rgb(67, 121, 218);
/* oklch */ color: oklch(58.9% 0.159 261.1);

Tailwind

colors: {
  custom: {
    50: '#889fe6',
    500: '#4379da',
    950: '#000000',
  },
}

SCSS

$custom: #4379da;
$custom-light: #889fe6;
$custom-dark: #000000;

JSON

{
  "hex": "#4379da",
  "rgb": {
    "r": 67,
    "g": 121,
    "b": 218
  },
  "hsl": {
    "h": 218.543,
    "s": 67.111,
    "l": 55.882
  },
  "oklch": {
    "l": 0.58859,
    "c": 0.15923,
    "h": 261.1
  },
  "luminance": 0.1993
}

Semantic roles & 50–950 ramp

primary

#4379DA

secondary

#DCC59D

accent

#AC3EEA

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4379DA

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

Preview Lab → · Contrast checker → · Palette generator →