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Recognised as Colour

#1DABFF

  • #1DABFF
  • Blue
  • Dark
  • Nearest: Deep skyblue

#1DABFF is a blue with RGB values 29, 171, 255 and HSL 202°, 100%, 56%. It is a dark colour, so black text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#1DABFF#1DABFF
HEX#1DABFF
RGBrgb(29, 171, 255)
RGB (0–1)0.1137, 0.6706, 1
RGB percentages11.4%, 67.1%, 100%
HSLhsl(202.3, 100%, 55.7%)
HSV / HSBhsv(202.3, 88.6%, 100%)
CMYK88.6%, 32.9%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,944,575
CSS custom property--colour: #1DABFF;

Brightness & contrast

Relative luminance0.36607WCAG 2.x, 0 is black and 1 is white
Perceived brightness157.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.32:1
Contrast with white2.52:1WCAG normal text: Fail
Contrast with black8.32:1WCAG normal text: AAA
Greyscale equivalent#939393
Inverted#E25400

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#83AEFFno red cones; affects about 1% of men; ΔE 15.1 from the original
Deuteranopia#649AFDno green cones; the most common form, about 1% of men; ΔE 18 from the original
Tritanopia#00C0C9no blue cones; rare, and affects men and women equally; ΔE 46.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.52:1WCAG large text: Fail
Contrast with black, large text8.32:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 15.7Cornflower blue · ΔE 16.1Dodgerblue · ΔE 21.3Steel blue · ΔE 24Light skyblue · ΔE 26.6Sky blue · ΔE 33.6
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 15.72, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF711D
Analogous#1DFFE2, #1D3AFF
Triadic#FF1DAB, #ABFF1D
Split complementary#FF1D3A, #FFE21D
Tetradic#E21DFF, #FF711D, #3AFF1D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E9F7FF
Lighter +30%#B6E4FF
Lighter +20%#83D1FF
Lighter +10%#50BEFF
Darker −10%#0092E9
Darker −20%#0072B6
Darker −30%#005283
Darker −40%#003250
More saturated +25%#1DABFF
Less saturated −25%#39A4E3

Channel breakdown

R29
G171
B255
Red29 (11.4%)
Green171 (67.1%)
Blue255 (100%)
Hue202.3°
Saturation (HSL)100%
Lightness55.69%
Dominant channelBlue
Hex per channelR 1D · G AB · B FF

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