#4391DD#4391DD

#4391DD is a light, vivid cyan. Relative luminance 0.267; OKLCH L 64.3% C 0.138 H 250.3°. Best body text is #000000 at 6.33:1 contrast (WCAG AA passes).

Color values

HEX#4391DD
RGBrgb(67, 145, 221)
HSLhsl(210, 69%, 56%)
HSVhsv(210, 70%, 87%)
CMYKcmyk(69.7%, 34.4%, 0%, 13.3%)
CIE-LABlab(58.66, 0.61, -45.68)
CIE-LCHlch(58.66, 45.68, 270.77°)
OKLaboklab(64.28% -0.0463 -0.1297)
OKLCHoklch(64.28% 0.138 250.3)
XYZxyz(25.4864, 26.6618, 72.1957)
Luminance0.2666 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4391DD #DD8F43
analogous
#43DDDC #4391DD #4344DD
triadic
#4391DD #DD4391 #91DD43
tetradic
#4391DD #DC43DD #DD8F43 #44DD43
square
#4391DD #DC43DD #DD8F43 #44DD43
split-complementary
#4391DD #DD4344 #DDDC43
monochromatic
#19548C #2372C0 #4391DD #77AFE6 #ABCEF0

Accessibility & contrast

On white

3.32
#4391DD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.33
#4391DD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4391DD
6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4391DD#FFFFFF#000000##000000
##4391DD1.003.326.336.33
#FFFFFF3.321.0021.0021.00
#0000006.3321.001.001.00
##0000006.3321.001.001.00

Color blindness preview

Protanopia (red-blind)
#6F95E0
Deuteranopia (green-blind)
#5987DC
Tritanopia (blue-blind)
#00A3AD
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #4391dd;
/* rgb */ color: rgb(67, 145, 221);
/* oklch */ color: oklch(64.3% 0.138 250.3);
Tailwind
colors: {
  custom: {
    50: '#88b0e8',
    500: '#4391dd',
    950: '#000000',
  },
}
SCSS
$custom: #4391dd;
$custom-light: #88b0e8;
$custom-dark: #000000;
JSON
{
  "hex": "#4391dd",
  "rgb": {
    "r": 67,
    "g": 145,
    "b": 221
  },
  "hsl": {
    "h": 209.61,
    "s": 69.369,
    "l": 56.471
  },
  "oklch": {
    "l": 0.64282,
    "c": 0.13771,
    "h": 250.3
  },
  "luminance": 0.26665
}

Semantic roles & 50–950 ramp

primary
#4391DD
secondary
#DEBD9E
accent
#933CEC
background
#F9FAFE
surface
#F1F4FC
border
#CBCED5
text
#0D1016
muted
#7E7F84

Preview Lab

Preview with #4391DD

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

Preview Lab → · Contrast checker → · Palette generator →

#4391DD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva