Colour

#1F82DC

#1F82DC
Blue
Dark
Nearest: Cornflower blue

#1F82DC is a blue with RGB values 31, 130, 220 and HSL 209°, 75%, 49%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#1F82DC#1F82DC

HEX#1F82DC

RGBrgb(31, 130, 220)

RGB (0–1)0.1216, 0.5098, 0.8627

RGB percentages12.2%, 51%, 86.3%

HSLhsl(208.6, 75.3%, 49.2%)

HSV / HSBhsv(208.6, 85.9%, 86.3%)

CMYK85.9%, 40.9%, 0%, 13.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,065,116

CSS custom property--colour: #1F82DC;

Brightness & contrast

Relative luminance0.21424WCAG 2.x, 0 is black and 1 is white

Perceived brightness125.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.28:1

Contrast with white3.97:1WCAG normal text: Fail

Contrast with black5.28:1WCAG normal text: AA

Greyscale equivalent#737373

Inverted#E07D23

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5588E0no red cones; affects about 1% of men; ΔE 6.9 from the original

Deuteranopia#3478DAno green cones; the most common form, about 1% of men; ΔE 8.3 from the original

Tritanopia#0098A4no blue cones; rare, and affects men and women equally; ΔE 51 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text3.97:1WCAG large text: AA

Contrast with black, large text5.28:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 10.3 Dodgerblue · ΔE 12.4 Steel blue · ΔE 23.3 Royal blue · ΔE 24.7 Medium purple · ΔE 31.7 Deep skyblue · ΔE 31.8

Nearest named CSS colourCornflower blue (#6495ED)ΔE 10.33, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#DC791F

Analogous#1FDCD7, #1F24DC

Triadic#DC1F82, #82DC1F

Split complementary#DC1F23, #DCD71F

Tetradic#D81FDC, #DC791F, #24DC1F

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#CFE4F8

Lighter +30%#A2CCF2

Lighter +20%#75B3EC

Lighter +10%#499BE5

Darker −10%#1968AF

Darker −20%#124D83

Darker −30%#0C3356

Darker −40%#061829

More saturated +25%#0083FB

Less saturated −25%#3E81BD

Channel breakdown

R31

G130

B220

Red31 (12.2%)

Green130 (51%)

Blue220 (86.3%)

Hue208.57°

Saturation (HSL)75.3%

Lightness49.22%

Dominant channelBlue

Hex per channelR 1F · G 82 · B DC

Keep nerding

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#1F82DC

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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