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Recognised as Colour

#0174FF

  • #0174FF
  • Blue
  • Dark
  • Nearest: Royal blue

#0174FF is a blue with RGB values 1, 116, 255 and HSL 213°, 100%, 50%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#0174FF#0174FF
HEX#0174FF
RGBrgb(1, 116, 255)
RGB (0–1)0.0039, 0.4549, 1
RGB percentages0.4%, 45.5%, 100%
HSLhsl(212.8, 100%, 50.2%)
HSV / HSBhsv(212.8, 99.6%, 100%)
CMYK99.6%, 54.5%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer95,487
CSS custom property--colour: #0174FF;

Brightness & contrast

Relative luminance0.19717WCAG 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 4.94:1
Contrast with white4.25:1WCAG normal text: Fail
Contrast with black4.94:1WCAG normal text: AA
Greyscale equivalent#666666
Inverted#FE8B00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0086FFno red cones; affects about 1% of men; ΔE 14.6 from the original
Deuteranopia#0071FCno green cones; the most common form, about 1% of men; ΔE 1.3 from the original
Tritanopia#0097AEno blue cones; rare, and affects men and women equally; ΔE 75.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.25:1WCAG large text: AA
Contrast with black, large text4.94:1WCAG large text: AAA

Named colours

Royal blue · ΔE 11.5Medium slateblue · ΔE 18.2Slate blue · ΔE 21.6Dodgerblue · ΔE 22.2Medium purple · ΔE 28.3Cornflower blue · ΔE 33.4
Nearest named CSS colourRoyal blue (#4169E1)ΔE 11.46, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF8C01
Analogous#01F3FF, #0D01FF
Triadic#FF0174, #74FF01
Split complementary#FF0D01, #F3FF01
Tetradic#FF01F3, #FF8C01, #01FF0D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CDE4FF
Lighter +30%#9AC8FF
Lighter +20%#67ACFF
Lighter +10%#3490FF
Darker −10%#005DCD
Darker −20%#00469A
Darker −30%#002F67
Darker −40%#001834
More saturated +25%#0174FF
Less saturated −25%#2177DF

Channel breakdown

R1
G116
B255
Red1 (0.4%)
Green116 (45.5%)
Blue255 (100%)
Hue212.83°
Saturation (HSL)100%
Lightness50.2%
Dominant channelBlue
Hex per channelR 01 · G 74 · B FF

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Every value on this page was computed from “0174ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.