#4378DB#4378DB

#4378DB is a mid, vivid blue. Relative luminance 0.197; OKLCH L 58.7% C 0.162 H 261.6°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#4378DB
RGB	rgb(67, 120, 219)
HSL	hsl(219, 68%, 56%)
HSV	hsv(219, 69%, 86%)
CMYK	cmyk(69.4%, 45.2%, 0%, 14.1%)
CIE-LAB	lab(51.54, 15.00, -55.89)
CIE-LCH	lch(51.54, 57.87, 285.02°)
OKLab	oklab(58.71% -0.0236 -0.16)
OKLCH	oklch(58.71% 0.162 261.6)
XYZ	xyz(21.8128, 19.7384, 69.6644)
Luminance	0.1974 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4378DB #DBA643

analogous

#43C4DB #4378DB #5A43DB

triadic

#4378DB #DB4378 #78DB43

tetradic

#4378DB #DB43C4 #DBA643 #43DB5A

square

#4378DB #DB43C4 #DBA643 #43DB5A

split-complementary

#4378DB #DB5A43 #C4DB43

monochromatic

#1A4189 #2459BD #4378DB #769DE5 #AAC2EF

Accessibility & contrast

On white

4.24

#4378DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#4378DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4378DB

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4378DB	#FFFFFF	#000000	##000000
##4378DB	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4682DF

Deuteranopia (green-blind)

#2874D9

Tritanopia (blue-blind)

#008F9F

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #4378db;
/* rgb */ color: rgb(67, 120, 219);
/* oklch */ color: oklch(58.7% 0.162 261.6);

Tailwind

colors: {
  custom: {
    50: '#889ee7',
    500: '#4378db',
    950: '#000000',
  },
}

SCSS

$custom: #4378db;
$custom-light: #889ee7;
$custom-dark: #000000;

JSON

{
  "hex": "#4378db",
  "rgb": {
    "r": 67,
    "g": 120,
    "b": 219
  },
  "hsl": {
    "h": 219.079,
    "s": 67.857,
    "l": 56.078
  },
  "oklch": {
    "l": 0.58713,
    "c": 0.16173,
    "h": 261.6
  },
  "luminance": 0.19741
}

Semantic roles & 50–950 ramp

primary

#4378DB

secondary

#DCC69E

accent

#AE3DEB

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4378DB

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

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