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Recognised as Colour

#1DBDFF

  • #1DBDFF
  • Cyan
  • Dark
  • Nearest: Deep skyblue

#1DBDFF is a cyan with RGB values 29, 189, 255 and HSL 198°, 100%, 56%. It is a dark colour, so black text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#1DBDFF#1DBDFF
HEX#1DBDFF
RGBrgb(29, 189, 255)
RGB (0–1)0.1137, 0.7412, 1
RGB percentages11.4%, 74.1%, 100%
HSLhsl(197.5, 100%, 55.7%)
HSV / HSBhsv(197.5, 88.6%, 100%)
CMYK88.6%, 25.9%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,949,183
CSS custom property--colour: #1DBDFF;

Brightness & contrast

Relative luminance0.43876WCAG 2.x, 0 is black and 1 is white
Perceived brightness169.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.78:1
Contrast with white2.15:1WCAG normal text: Fail
Contrast with black9.78:1WCAG normal text: AAA
Greyscale equivalent#A0A0A0
Inverted#E24200

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9CBCFFno red cones; affects about 1% of men; ΔE 22.5 from the original
Deuteranopia#80A8FEno green cones; the most common form, about 1% of men; ΔE 25.6 from the original
Tritanopia#00CED4no blue cones; rare, and affects men and women equally; ΔE 36.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.15:1WCAG large text: Fail
Contrast with black, large text9.78:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 2.1Light skyblue · ΔE 17.2Sky blue · ΔE 23Steel blue · ΔE 25.3Cornflower blue · ΔE 27.7Light steelblue · ΔE 32.1
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 2.11, below the just-noticeable difference
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF5F1D
Analogous#1DFFD0, #1D4CFF
Triadic#FF1DBD, #BDFF1D
Split complementary#FF1D4C, #FFD01D
Tetradic#D01DFF, #FF5F1D, #4CFF1D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E9F9FF
Lighter +30%#B6EAFF
Lighter +20%#83DBFF
Lighter +10%#50CCFF
Darker −10%#00A5E9
Darker −20%#0081B6
Darker −30%#005D83
Darker −40%#003950
More saturated +25%#1DBDFF
Less saturated −25%#39B1E3

Channel breakdown

R29
G189
B255
Red29 (11.4%)
Green189 (74.1%)
Blue255 (100%)
Hue197.52°
Saturation (HSL)100%
Lightness55.69%
Dominant channelBlue
Hex per channelR 1D · G BD · B FF

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Every value on this page was computed from “1dbdff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.