#4379D8#4379D8

#4379D8 is a mid, vivid blue. Relative luminance 0.198; OKLCH L 58.7% C 0.157 H 260.8°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#4379D8
RGB	rgb(67, 121, 216)
HSL	hsl(218, 66%, 55%)
HSV	hsv(218, 69%, 85%)
CMYK	cmyk(69%, 44%, 0%, 15.3%)
CIE-LAB	lab(51.64, 13.31, -54.04)
CIE-LCH	lch(51.64, 55.65, 283.84°)
OKLab	oklab(58.73% -0.025 -0.1545)
OKLCH	oklch(58.73% 0.157 260.8)
XYZ	xyz(21.5423, 19.8237, 67.6435)
Luminance	0.1983 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4379D8 #D8A243

analogous

#43C4D8 #4379D8 #5743D8

triadic

#4379D8 #D84379 #79D843

tetradic

#4379D8 #D843C4 #D8A243 #43D857

square

#4379D8 #D843C4 #D8A243 #43D857

split-complementary

#4379D8 #D85743 #C4D843

monochromatic

#1C4285 #265BB8 #4379D8 #769DE3 #A8C1ED

Accessibility & contrast

On white

4.23

#4379D8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#4379D8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4379D8

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4379D8	#FFFFFF	#000000	##000000
##4379D8	1.00	4.23	4.97	4.97
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A82DC

Deuteranopia (green-blind)

#2F75D6

Tritanopia (blue-blind)

#008F9E

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #4379d8;
/* rgb */ color: rgb(67, 121, 216);
/* oklch */ color: oklch(58.7% 0.157 260.8);

Tailwind

colors: {
  custom: {
    50: '#889fe4',
    500: '#4379d8',
    950: '#000000',
  },
}

SCSS

$custom: #4379d8;
$custom-light: #889fe4;
$custom-dark: #000000;

JSON

{
  "hex": "#4379d8",
  "rgb": {
    "r": 67,
    "g": 121,
    "b": 216
  },
  "hsl": {
    "h": 218.255,
    "s": 65.639,
    "l": 55.49
  },
  "oklch": {
    "l": 0.5873,
    "c": 0.15656,
    "h": 260.8
  },
  "luminance": 0.19826
}

Semantic roles & 50–950 ramp

primary

#4379D8

secondary

#DAC49C

accent

#AB3FE9

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4379D8

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

Preview Lab → · Contrast checker → · Palette generator →