Nerdulator> put something in

Recognised as Colour

#39ADDE

  • #39ADDE
  • Cyan
  • Dark
  • Nearest: Deep skyblue

#39ADDE is a cyan with RGB values 57, 173, 222 and HSL 198°, 71%, 55%. It is a dark colour, so black text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#39ADDE#39ADDE
HEX#39ADDE
RGBrgb(57, 173, 222)
RGB (0–1)0.2235, 0.6784, 0.8706
RGB percentages22.4%, 67.8%, 87.1%
HSLhsl(197.8, 71.4%, 54.7%)
HSV / HSBhsv(197.8, 74.3%, 87.1%)
CMYK74.3%, 22.1%, 0%, 12.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,780,062
CSS custom property--colour: #39ADDE;

Brightness & contrast

Relative luminance0.36031WCAG 2.x, 0 is black and 1 is white
Perceived brightness155.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.21:1
Contrast with white2.56:1WCAG normal text: Fail
Contrast with black8.21:1WCAG normal text: AAA
Greyscale equivalent#989898
Inverted#C65221

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#94ABE0no red cones; affects about 1% of men; ΔE 21.4 from the original
Deuteranopia#7E9BDDno green cones; the most common form, about 1% of men; ΔE 23.2 from the original
Tritanopia#00BABDno blue cones; rare, and affects men and women equally; ΔE 29.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.56:1WCAG large text: Fail
Contrast with black, large text8.21:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 10.6Light skyblue · ΔE 15.2Sky blue · ΔE 17.9Steel blue · ΔE 18.6Light steelblue · ΔE 26.6Cadetblue · ΔE 27.3
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 10.64, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DE6A39
Analogous#39DEBC, #395BDE
Triadic#DE39AD, #ADDE39
Split complementary#DE395B, #DEBD39
Tetradic#BC39DE, #DE6A39, #5BDE39

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E8F5FB
Lighter +30%#BCE3F4
Lighter +20%#90D1ED
Lighter +10%#65BFE5
Darker −10%#2193C3
Darker −20%#197298
Darker −30%#12516C
Darker −40%#0B3040
More saturated +25%#1CB9FB
Less saturated −25%#56A1C1

Channel breakdown

R57
G173
B222
Red57 (22.4%)
Green173 (67.8%)
Blue222 (87.1%)
Hue197.82°
Saturation (HSL)71.43%
Lightness54.71%
Dominant channelBlue
Hex per channelR 39 · G AD · B DE

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “39adde” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.