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Recognised as Colour

#1F27DF

  • #1F27DF
  • Blue
  • Dark
  • Nearest: Medium blue

#1F27DF is a blue with RGB values 31, 39, 223 and HSL 238°, 76%, 50%. It is a dark colour, so white text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#1F27DF#1F27DF
HEX#1F27DF
RGBrgb(31, 39, 223)
RGB (0–1)0.1216, 0.1529, 0.8745
RGB percentages12.2%, 15.3%, 87.5%
HSLhsl(237.5, 75.6%, 49.8%)
HSV / HSBhsv(237.5, 86.1%, 87.5%)
CMYK86.1%, 82.5%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,041,823
CSS custom property--colour: #1F27DF;

Brightness & contrast

Relative luminance0.0707WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.7:1
Contrast with white8.7:1WCAG normal text: AAA
Contrast with black2.41:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#E0D820

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0055E4no red cones; affects about 1% of men; ΔE 29.8 from the original
Deuteranopia#0041DCno green cones; the most common form, about 1% of men; ΔE 18.1 from the original
Tritanopia#006486no blue cones; rare, and affects men and women equally; ΔE 97.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.7:1WCAG large text: AAA
Contrast with black, large text2.41:1WCAG large text: Fail

Named colours

Medium blue · ΔE 9.4Blue violet · ΔE 20.5Blue · ΔE 25.3Dark violet · ΔE 26.2Dark blue · ΔE 29.6Dark orchid · ΔE 32.5
Nearest named CSS colourMedium blue (#0000CD)ΔE 9.36, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DFD71F
Analogous#1F87DF, #771FDF
Triadic#DF1F27, #27DF1F
Split complementary#DF771F, #87DF1F
Tetradic#DF1F87, #DFD71F, #1FDF77

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D1D3F9
Lighter +30%#A5A8F2
Lighter +20%#787DEC
Lighter +10%#4B51E6
Darker −10%#191FB2
Darker −20%#131785
Darker −30%#0C1059
Darker −40%#06082C
More saturated +25%#000BFE
Less saturated −25%#3F44BF

Channel breakdown

R31
G39
B223
Red31 (12.2%)
Green39 (15.3%)
Blue223 (87.5%)
Hue237.5°
Saturation (HSL)75.59%
Lightness49.8%
Dominant channelBlue
Hex per channelR 1F · G 27 · B DF

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Every value on this page was computed from “1f27df” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.