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Recognised as Colour

#017AEF

  • #017AEF
  • Blue
  • Dark
  • Nearest: Dodgerblue

#017AEF is a blue with RGB values 1, 122, 239 and HSL 209°, 99%, 47%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#017AEF#017AEF
HEX#017AEF
RGBrgb(1, 122, 239)
RGB (0–1)0.0039, 0.4784, 0.9373
RGB percentages0.4%, 47.8%, 93.7%
HSLhsl(209.5, 99.2%, 47.1%)
HSV / HSBhsv(209.5, 99.6%, 93.7%)
CMYK99.6%, 49%, 0%, 6.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer97,007
CSS custom property--colour: #017AEF;

Brightness & contrast

Relative luminance0.20158WCAG 2.x, 0 is black and 1 is white
Perceived brightness123.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.03:1
Contrast with white4.17:1WCAG normal text: Fail
Contrast with black5.03:1WCAG normal text: AA
Greyscale equivalent#696969
Inverted#FE8510

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2F86F3no red cones; affects about 1% of men; ΔE 7.2 from the original
Deuteranopia#0073EDno green cones; the most common form, about 1% of men; ΔE 4.7 from the original
Tritanopia#0097A9no blue cones; rare, and affects men and women equally; ΔE 64.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.17:1WCAG large text: AA
Contrast with black, large text5.03:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 10.2Royal blue · ΔE 10.8Cornflower blue · ΔE 21Slate blue · ΔE 22.5Medium slateblue · ΔE 24.7Medium purple · ΔE 26.3
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 10.22, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EF7601
Analogous#01EFED, #0103EF
Triadic#EF017A, #7AEF01
Split complementary#EF0103, #EFED01
Tetradic#ED01EF, #EF7601, #03EF01

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BDDFFF
Lighter +30%#8AC5FF
Lighter +20%#58ACFE
Lighter +10%#2593FE
Darker −10%#0160BC
Darker −20%#014689
Darker −30%#002C57
Darker −40%#001224
More saturated +25%#007AF0
Less saturated −25%#1F79D1

Channel breakdown

R1
G122
B239
Red1 (0.4%)
Green122 (47.8%)
Blue239 (93.7%)
Hue209.5°
Saturation (HSL)99.17%
Lightness47.06%
Dominant channelBlue
Hex per channelR 01 · G 7A · B EF

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Every value on this page was computed from “017aef” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.