#4378DA#4378DA

#4378DA is a mid, vivid blue. Relative luminance 0.197; OKLCH L 58.6% C 0.160 H 261.5°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#4378DA
RGB	rgb(67, 120, 218)
HSL	hsl(219, 67%, 56%)
HSV	hsv(219, 69%, 85%)
CMYK	cmyk(69.3%, 45%, 0%, 14.5%)
CIE-LAB	lab(51.48, 14.64, -55.42)
CIE-LCH	lch(51.48, 57.32, 284.80°)
OKLab	oklab(58.65% -0.0238 -0.1586)
OKLCH	oklch(58.65% 0.16 261.5)
XYZ	xyz(21.6816, 19.6859, 68.9732)
Luminance	0.1969 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4378DA #DAA543

analogous

#43C4DA #4378DA #5943DA

triadic

#4378DA #DA4378 #78DA43

tetradic

#4378DA #DA43C4 #DAA543 #43DA59

square

#4378DA #DA43C4 #DAA543 #43DA59

split-complementary

#4378DA #DA5943 #C4DA43

monochromatic

#1B4188 #255ABB #4378DA #769DE4 #A9C1EE

Accessibility & contrast

On white

4.25

#4378DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#4378DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4378DA

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4378DA	#FFFFFF	#000000	##000000
##4378DA	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4782DE

Deuteranopia (green-blind)

#2974D8

Tritanopia (blue-blind)

#008F9E

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #4378da;
/* rgb */ color: rgb(67, 120, 218);
/* oklch */ color: oklch(58.6% 0.160 261.5);

Tailwind

colors: {
  custom: {
    50: '#889ee6',
    500: '#4378da',
    950: '#000000',
  },
}

SCSS

$custom: #4378da;
$custom-light: #889ee6;
$custom-dark: #000000;

JSON

{
  "hex": "#4378da",
  "rgb": {
    "r": 67,
    "g": 120,
    "b": 218
  },
  "hsl": {
    "h": 218.94,
    "s": 67.111,
    "l": 55.882
  },
  "oklch": {
    "l": 0.58647,
    "c": 0.1604,
    "h": 261.5
  },
  "luminance": 0.19688
}

Semantic roles & 50–950 ramp

primary

#4378DA

secondary

#DCC69D

accent

#AE3EEA

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4378DA

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

Preview Lab → · Contrast checker → · Palette generator →