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Colour

#1F80E0

  • #1F80E0
  • Blue
  • Dark
  • Nearest: Dodgerblue

#1F80E0 is a blue with RGB values 31, 128, 224 and HSL 210°, 76%, 50%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#1F80E0#1F80E0
HEX#1F80E0
RGBrgb(31, 128, 224)
RGB (0–1)0.1216, 0.502, 0.8784
RGB percentages12.2%, 50.2%, 87.8%
HSLhsl(209.8, 75.7%, 50%)
HSV / HSBhsv(209.8, 86.2%, 87.8%)
CMYK86.2%, 42.9%, 0%, 12.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,064,608
CSS custom property--colour: #1F80E0;

Brightness & contrast

Relative luminance0.21111WCAG 2.x, 0 is black and 1 is white
Perceived brightness125 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.22:1
Contrast with white4.02:1WCAG normal text: Fail
Contrast with black5.22:1WCAG normal text: AA
Greyscale equivalent#727272
Inverted#E07F1F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4E88E4no red cones; affects about 1% of men; ΔE 5.9 from the original
Deuteranopia#2877DEno green cones; the most common form, about 1% of men; ΔE 6.7 from the original
Tritanopia#0097A5no blue cones; rare, and affects men and women equally; ΔE 53.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.02:1WCAG large text: AA
Contrast with black, large text5.22:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 9.7Cornflower blue · ΔE 11.4Royal blue · ΔE 21Steel blue · ΔE 27Slate blue · ΔE 29.1Medium purple · ΔE 29.5
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 9.67, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E07F1F
Analogous#1FE0E0, #1F20E0
Triadic#E01F80, #80E01F
Split complementary#E01F20, #E0DF1F
Tetradic#E01FE0, #E07F1F, #20E01F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D2E6F9
Lighter +30%#A5CCF3
Lighter +20%#79B3EC
Lighter +10%#4C99E6
Darker −10%#1966B3
Darker −20%#134D86
Darker −30%#0C335A
Darker −40%#061A2D
More saturated +25%#0080FF
Less saturated −25%#3F80C0

Channel breakdown

R31
G128
B224
Red31 (12.2%)
Green128 (50.2%)
Blue224 (87.8%)
Hue209.84°
Saturation (HSL)75.69%
Lightness50%
Dominant channelBlue
Hex per channelR 1F · G 80 · B E0

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Every value on this page was computed from “1f80e0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.