Colour

#1777DE

#1777DE
Blue
Dark
Nearest: Dodgerblue

#1777DE is a blue with RGB values 23, 119, 222 and HSL 211°, 81%, 48%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#1777DE#1777DE

HEX#1777DE

RGBrgb(23, 119, 222)

RGB (0–1)0.0902, 0.4667, 0.8706

RGB percentages9%, 46.7%, 87.1%

HSLhsl(211.1, 81.2%, 48%)

HSV / HSBhsv(211.1, 89.6%, 87.1%)

CMYK89.6%, 46.4%, 0%, 12.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,538,014

CSS custom property--colour: #1777DE;

Brightness & contrast

Relative luminance0.1865WCAG 2.x, 0 is black and 1 is white

Perceived brightness118.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.73:1

Contrast with white4.44:1WCAG normal text: Fail

Contrast with black4.73:1WCAG normal text: AA

Greyscale equivalent#6A6A6A

Inverted#E88821

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3C81E2no red cones; affects about 1% of men; ΔE 5.8 from the original

Deuteranopia#0070DCno green cones; the most common form, about 1% of men; ΔE 4.5 from the original

Tritanopia#0090A0no blue cones; rare, and affects men and women equally; ΔE 57.2 from the original

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

Contrast with white, large text4.44:1WCAG large text: AA

Contrast with black, large text4.73:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 10.1 Royal blue · ΔE 15.2 Cornflower blue · ΔE 15.9 Slate blue · ΔE 24.2 Medium purple · ΔE 26.6 Medium slateblue · ΔE 29.3

Nearest named CSS colourDodgerblue (#1E90FF)ΔE 10.13, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#DE7E17

Analogous#17DADE, #1B17DE

Triadic#DE1777, #77DE17

Split complementary#DE1B17, #DBDE17

Tetradic#DE17DA, #DE7E17, #17DE1B

Tints, shades & saturation

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

Lighter +40%#C8E0F9

Lighter +30%#9AC5F4

Lighter +20%#6BABF0

Lighter +10%#3D91EB

Darker −10%#125EB0

Darker −20%#0D4582

Darker −30%#092D53

Darker −40%#041425

More saturated +25%#0076F5

Less saturated −25%#3678BF

Channel breakdown

R23

G119

B222

Red23 (9%)

Green119 (46.7%)

Blue222 (87.1%)

Hue211.06°

Saturation (HSL)81.22%

Lightness48.04%

Dominant channelBlue

Hex per channelR 17 · G 77 · B DE

Keep nerding

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#1777DE

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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