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Recognised as Colour

#017CD8

  • #017CD8
  • Blue
  • Dark
  • Nearest: Dodgerblue

#017CD8 is a blue with RGB values 1, 124, 216 and HSL 206°, 99%, 43%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#017CD8#017CD8
HEX#017CD8
RGBrgb(1, 124, 216)
RGB (0–1)0.0039, 0.4863, 0.8471
RGB percentages0.4%, 48.6%, 84.7%
HSLhsl(205.7, 99.1%, 42.5%)
HSV / HSBhsv(205.7, 99.5%, 84.7%)
CMYK99.5%, 42.6%, 0%, 15.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer97,496
CSS custom property--colour: #017CD8;

Brightness & contrast

Relative luminance0.1938WCAG 2.x, 0 is black and 1 is white
Perceived brightness119.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.88:1
Contrast with white4.31:1WCAG normal text: Fail
Contrast with black4.88:1WCAG normal text: AA
Greyscale equivalent#686868
Inverted#FE8327

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4C83DCno red cones; affects about 1% of men; ΔE 6.8 from the original
Deuteranopia#2372D6no green cones; the most common form, about 1% of men; ΔE 8.1 from the original
Tritanopia#00929Fno blue cones; rare, and affects men and women equally; ΔE 51.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.31:1WCAG large text: AA
Contrast with black, large text4.88:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 12.4Cornflower blue · ΔE 12.6Royal blue · ΔE 22.9Steel blue · ΔE 25Slate blue · ΔE 30.6Dark slateblue · ΔE 31.2
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 12.42, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D85D01
Analogous#01D8C9, #0110D8
Triadic#D8017C, #7CD801
Split complementary#D80110, #D8C901
Tetradic#C901D8, #D85D01, #10D801

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A6D9FF
Lighter +30%#74C3FE
Lighter +20%#41ADFE
Lighter +10%#0E97FE
Darker −10%#015FA5
Darker −20%#014272
Darker −30%#002540
Darker −40%#00070D
More saturated +25%#007CD9
Less saturated −25%#1C78BD

Channel breakdown

R1
G124
B216
Red1 (0.4%)
Green124 (48.6%)
Blue216 (84.7%)
Hue205.67°
Saturation (HSL)99.08%
Lightness42.55%
Dominant channelBlue
Hex per channelR 01 · G 7C · B D8

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Every value on this page was computed from “017cd8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.