#4381DB#4381DB

#4381DB is a mid, vivid blue. Relative luminance 0.220; OKLCH L 60.6% C 0.152 H 257.9°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#4381DB
RGB	rgb(67, 129, 219)
HSL	hsl(216, 68%, 56%)
HSV	hsv(216, 69%, 86%)
CMYK	cmyk(69.4%, 41.1%, 0%, 14.1%)
CIE-LAB	lab(54.03, 9.47, -51.90)
CIE-LCH	lch(54.03, 52.76, 280.34°)
OKLab	oklab(60.64% -0.0318 -0.1481)
OKLCH	oklch(60.64% 0.152 257.9)
XYZ	xyz(22.9465, 22.0059, 70.0423)
Luminance	0.2201 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4381DB #DB9D43

analogous

#43CDDB #4381DB #5143DB

triadic

#4381DB #DB4381 #81DB43

tetradic

#4381DB #DB43CD #DB9D43 #43DB51

square

#4381DB #DB43CD #DB9D43 #43DB51

split-complementary

#4381DB #DB5143 #CDDB43

monochromatic

#1A4889 #2462BD #4381DB #76A3E5 #AAC6EF

Accessibility & contrast

On white

3.89

#4381DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#4381DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4381DB

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4381DB	#FFFFFF	#000000	##000000
##4381DB	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5789DF

Deuteranopia (green-blind)

#3E7BD9

Tritanopia (blue-blind)

#0096A3

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4381db;
/* rgb */ color: rgb(67, 129, 219);
/* oklch */ color: oklch(60.6% 0.152 257.9);

Tailwind

colors: {
  custom: {
    50: '#88a5e7',
    500: '#4381db',
    950: '#000000',
  },
}

SCSS

$custom: #4381db;
$custom-light: #88a5e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4381db",
  "rgb": {
    "r": 67,
    "g": 129,
    "b": 219
  },
  "hsl": {
    "h": 215.526,
    "s": 67.857,
    "l": 56.078
  },
  "oklch": {
    "l": 0.60638,
    "c": 0.15152,
    "h": 257.9
  },
  "luminance": 0.22008
}

Semantic roles & 50–950 ramp

primary

#4381DB

secondary

#DCC39E

accent

#A43DEB

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4381DB

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

Preview Lab → · Contrast checker → · Palette generator →