#4380DB#4380DB

#4380DB is a mid, vivid blue. Relative luminance 0.217; OKLCH L 60.4% C 0.153 H 258.3°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#4380DB
RGB	rgb(67, 128, 219)
HSL	hsl(216, 68%, 56%)
HSV	hsv(216, 69%, 86%)
CMYK	cmyk(69.4%, 41.6%, 0%, 14.1%)
CIE-LAB	lab(53.75, 10.08, -52.35)
CIE-LCH	lch(53.75, 53.31, 280.90°)
OKLab	oklab(60.42% -0.0309 -0.1495)
OKLCH	oklch(60.42% 0.153 258.3)
XYZ	xyz(22.8155, 21.7437, 69.9986)
Luminance	0.2175 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4380DB #DB9E43

analogous

#43CCDB #4380DB #5243DB

triadic

#4380DB #DB4380 #80DB43

tetradic

#4380DB #DB43CC #DB9E43 #43DB52

square

#4380DB #DB43CC #DB9E43 #43DB52

split-complementary

#4380DB #DB5243 #CCDB43

monochromatic

#1A4789 #2461BD #4380DB #76A3E5 #AAC5EF

Accessibility & contrast

On white

3.93

#4380DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#4380DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4380DB

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4380DB	#FFFFFF	#000000	##000000
##4380DB	1.00	3.93	5.35	5.35
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5588DF

Deuteranopia (green-blind)

#3C7AD9

Tritanopia (blue-blind)

#0095A3

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #4380db;
/* rgb */ color: rgb(67, 128, 219);
/* oklch */ color: oklch(60.4% 0.153 258.3);

Tailwind

colors: {
  custom: {
    50: '#88a4e7',
    500: '#4380db',
    950: '#000000',
  },
}

SCSS

$custom: #4380db;
$custom-light: #88a4e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4380db",
  "rgb": {
    "r": 67,
    "g": 128,
    "b": 219
  },
  "hsl": {
    "h": 215.921,
    "s": 67.857,
    "l": 56.078
  },
  "oklch": {
    "l": 0.60422,
    "c": 0.15263,
    "h": 258.3
  },
  "luminance": 0.21746
}

Semantic roles & 50–950 ramp

primary

#4380DB

secondary

#DCC39E

accent

#A53DEB

background

#F9FAFE

surface

#F1F3FC

border

#CBCDD5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4380DB

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

Preview Lab → · Contrast checker → · Palette generator →