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Colour

#0178F5

  • #0178F5
  • Blue
  • Dark
  • Nearest: Royal blue

#0178F5 is a blue with RGB values 1, 120, 245 and HSL 211°, 99%, 48%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#0178F5#0178F5
HEX#0178F5
RGBrgb(1, 120, 245)
RGB (0–1)0.0039, 0.4706, 0.9608
RGB percentages0.4%, 47.1%, 96.1%
HSLhsl(210.7, 99.2%, 48.2%)
HSV / HSBhsv(210.7, 99.6%, 96.1%)
CMYK99.6%, 51%, 0%, 3.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer96,501
CSS custom property--colour: #0178F5;

Brightness & contrast

Relative luminance0.20032WCAG 2.x, 0 is black and 1 is white
Perceived brightness123.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.01:1
Contrast with white4.19:1WCAG normal text: Fail
Contrast with black5.01:1WCAG normal text: AA
Greyscale equivalent#686868
Inverted#FE870A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1B86F9no red cones; affects about 1% of men; ΔE 9.1 from the original
Deuteranopia#0072F3no green cones; the most common form, about 1% of men; ΔE 3.9 from the original
Tritanopia#0097ABno blue cones; rare, and affects men and women equally; ΔE 68.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.19:1WCAG large text: AA
Contrast with black, large text5.01:1WCAG large text: AAA

Named colours

Royal blue · ΔE 8.9Dodgerblue · ΔE 14.1Slate blue · ΔE 21.2Medium slateblue · ΔE 21.6Cornflower blue · ΔE 25.3Medium purple · ΔE 26.3
Nearest named CSS colourRoyal blue (#4169E1)ΔE 8.86, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F57E01
Analogous#01F2F5, #0401F5
Triadic#F50178, #78F501
Split complementary#F50401, #F2F501
Tetradic#F501F2, #F57E01, #01F504

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C3E0FF
Lighter +30%#90C6FF
Lighter +20%#5EACFE
Lighter +10%#2B92FE
Darker −10%#015FC2
Darker −20%#01468F
Darker −30%#002D5D
Darker −40%#00142A
More saturated +25%#0078F6
Less saturated −25%#2079D6

Channel breakdown

R1
G120
B245
Red1 (0.4%)
Green120 (47.1%)
Blue245 (96.1%)
Hue210.74°
Saturation (HSL)99.19%
Lightness48.24%
Dominant channelBlue
Hex per channelR 01 · G 78 · B F5

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Every value on this page was computed from “0178f5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.