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Recognised as Colour

#4DB8DB

  • #4DB8DB
  • Cyan
  • Dark
  • Nearest: Sky blue

#4DB8DB is a cyan with RGB values 77, 184, 219 and HSL 195°, 66%, 58%. It is a dark colour, so black text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Sky blue.

Colour values

#4DB8DB#4DB8DB
HEX#4DB8DB
RGBrgb(77, 184, 219)
RGB (0–1)0.302, 0.7216, 0.8588
RGB percentages30.2%, 72.2%, 85.9%
HSLhsl(194.8, 66.4%, 58%)
HSV / HSBhsv(194.8, 64.8%, 85.9%)
CMYK64.8%, 16%, 0%, 14.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,093,595
CSS custom property--colour: #4DB8DB;

Brightness & contrast

Relative luminance0.40973WCAG 2.x, 0 is black and 1 is white
Perceived brightness164.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.19:1
Contrast with white2.28:1WCAG normal text: Fail
Contrast with black9.19:1WCAG normal text: AAA
Greyscale equivalent#A4A4A4
Inverted#B24724

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A4B4DDno red cones; affects about 1% of men; ΔE 24.1 from the original
Deuteranopia#90A5DBno green cones; the most common form, about 1% of men; ΔE 25.8 from the original
Tritanopia#00C3C3no blue cones; rare, and affects men and women equally; ΔE 24.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.28:1WCAG large text: Fail
Contrast with black, large text9.19:1WCAG large text: AAA

Named colours

Sky blue · ΔE 11.7Light skyblue · ΔE 13.4Deep skyblue · ΔE 16.2Cadetblue · ΔE 21.2Light blue · ΔE 22.3Light steelblue · ΔE 23.4
Nearest named CSS colourSky blue (#87CEEB)ΔE 11.72, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DB704D
Analogous#4DDBB7, #4D71DB
Triadic#DB4DB8, #B8DB4D
Split complementary#DB4D71, #DBB74D
Tetradic#B74DDB, #DB704D, #71DB4D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F7FCFD
Lighter +30%#CCEBF5
Lighter +20%#A2DAEC
Lighter +10%#77C9E4
Darker −10%#29A4CC
Darker −20%#2182A1
Darker −30%#186077
Darker −40%#0F3D4D
More saturated +25%#32C6F6
Less saturated −25%#68AAC0

Channel breakdown

R77
G184
B219
Red77 (30.2%)
Green184 (72.2%)
Blue219 (85.9%)
Hue194.79°
Saturation (HSL)66.36%
Lightness58.04%
Dominant channelBlue
Hex per channelR 4D · G B8 · B DB

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Every value on this page was computed from “4db8db” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.