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Recognised as Colour

#1271EF

  • #1271EF
  • Blue
  • Dark
  • Nearest: Royal blue

#1271EF is a blue with RGB values 18, 113, 239 and HSL 214°, 87%, 50%. It is a dark colour, so black text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#1271EF#1271EF
HEX#1271EF
RGBrgb(18, 113, 239)
RGB (0–1)0.0706, 0.4431, 0.9373
RGB percentages7.1%, 44.3%, 93.7%
HSLhsl(214.2, 87.4%, 50.4%)
HSV / HSBhsv(214.2, 92.5%, 93.7%)
CMYK92.5%, 52.7%, 0%, 6.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,208,815
CSS custom property--colour: #1271EF;

Brightness & contrast

Relative luminance0.18171WCAG 2.x, 0 is black and 1 is white
Perceived brightness118.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.63:1
Contrast with white4.53:1WCAG normal text: AA
Contrast with black4.63:1WCAG normal text: AA
Greyscale equivalent#666666
Inverted#ED8E10

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0080F3no red cones; affects about 1% of men; ΔE 10.5 from the original
Deuteranopia#006DEDno green cones; the most common form, about 1% of men; ΔE 2.2 from the original
Tritanopia#0090A5no blue cones; rare, and affects men and women equally; ΔE 68.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.53:1WCAG large text: AAA
Contrast with black, large text4.63:1WCAG large text: AAA

Named colours

Royal blue · ΔE 6.4Dodgerblue · ΔE 17.3Slate blue · ΔE 18.8Medium slateblue · ΔE 19.3Medium purple · ΔE 25.2Cornflower blue · ΔE 27.6
Nearest named CSS colourRoyal blue (#4169E1)ΔE 6.43, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EF9012
Analogous#12DFEF, #2212EF
Triadic#EF1271, #71EF12
Split complementary#EF2212, #DFEF12
Tetradic#EF12DF, #EF9012, #12EF22

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D1E3FC
Lighter +30%#A1C7F9
Lighter +20%#72AAF5
Lighter +10%#428EF2
Darker −10%#0D5AC1
Darker −20%#0A4491
Darker −30%#072E61
Darker −40%#031732
More saturated +25%#026FFF
Less saturated −25%#3275CF

Channel breakdown

R18
G113
B239
Red18 (7.1%)
Green113 (44.3%)
Blue239 (93.7%)
Hue214.21°
Saturation (HSL)87.35%
Lightness50.39%
Dominant channelBlue
Hex per channelR 12 · G 71 · B EF

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Every value on this page was computed from “1271ef” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.