#4381DE#4381DE

#4381DE is a mid, vivid blue. Relative luminance 0.222; OKLCH L 60.8% C 0.155 H 258.4°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#4381DE
RGB	rgb(67, 129, 222)
HSL	hsl(216, 70%, 57%)
HSV	hsv(216, 70%, 87%)
CMYK	cmyk(69.8%, 41.9%, 0%, 12.9%)
CIE-LAB	lab(54.20, 10.53, -53.32)
CIE-LCH	lch(54.20, 54.35, 281.18°)
OKLab	oklab(60.82% -0.0312 -0.1523)
OKLCH	oklch(60.82% 0.155 258.4)
XYZ	xyz(23.3450, 22.1653, 72.1411)
Luminance	0.2217 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4381DE #DEA043

analogous

#43CFDE #4381DE #5343DE

triadic

#4381DE #DE4381 #81DE43

tetradic

#4381DE #DE43CF #DEA043 #43DE53

square

#4381DE #DE43CF #DEA043 #43DE53

split-complementary

#4381DE #DE5343 #CFDE43

monochromatic

#19488E #2262C2 #4381DE #77A4E7 #ABC7F0

Accessibility & contrast

On white

3.86

#4381DE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#4381DE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4381DE

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4381DE	#FFFFFF	#000000	##000000
##4381DE	1.00	3.86	5.43	5.43
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.43	21.00	1.00	1.00
##000000	5.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5589E2

Deuteranopia (green-blind)

#3B7BDC

Tritanopia (blue-blind)

#0097A5

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4381de;
/* rgb */ color: rgb(67, 129, 222);
/* oklch */ color: oklch(60.8% 0.155 258.4);

Tailwind

colors: {
  custom: {
    50: '#88a5e9',
    500: '#4381de',
    950: '#000000',
  },
}

SCSS

$custom: #4381de;
$custom-light: #88a5e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4381de",
  "rgb": {
    "r": 67,
    "g": 129,
    "b": 222
  },
  "hsl": {
    "h": 216,
    "s": 70.136,
    "l": 56.667
  },
  "oklch": {
    "l": 0.60823,
    "c": 0.15547,
    "h": 258.4
  },
  "luminance": 0.22168
}

Semantic roles & 50–950 ramp

primary

#4381DE

secondary

#DEC59F

accent

#A63BED

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4381DE

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

Preview Lab → · Contrast checker → · Palette generator →