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Recognised as Colour

#1777DF

  • #1777DF
  • Blue
  • Dark
  • Nearest: Dodgerblue

#1777DF is a blue with RGB values 23, 119, 223 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

#1777DF#1777DF
HEX#1777DF
RGBrgb(23, 119, 223)
RGB (0–1)0.0902, 0.4667, 0.8745
RGB percentages9%, 46.7%, 87.5%
HSLhsl(211.2, 81.3%, 48.2%)
HSV / HSBhsv(211.2, 89.7%, 87.5%)
CMYK89.7%, 46.6%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,538,015
CSS custom property--colour: #1777DF;

Brightness & contrast

Relative luminance0.18704WCAG 2.x, 0 is black and 1 is white
Perceived brightness118.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.74:1
Contrast with white4.43:1WCAG normal text: Fail
Contrast with black4.74:1WCAG normal text: AA
Greyscale equivalent#6A6A6A
Inverted#E88820

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3B81E3no red cones; affects about 1% of men; ΔE 5.8 from the original
Deuteranopia#0070DDno 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 57.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.43:1WCAG large text: AA
Contrast with black, large text4.74:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 10Royal blue · ΔE 14.6Cornflower blue · ΔE 16.2Slate blue · ΔE 23.9Medium purple · ΔE 26.5Medium slateblue · ΔE 28.8
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 10.01, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DF7F17
Analogous#17DBDF, #1B17DF
Triadic#DF1777, #77DF17
Split complementary#DF1B17, #DBDF17
Tetradic#DF17DB, #DF7F17, #17DF1B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C9E0F9
Lighter +30%#9AC6F5
Lighter +20%#6CABF0
Lighter +10%#3E91EB
Darker −10%#125EB1
Darker −20%#0D4683
Darker −30%#092D54
Darker −40%#041426
More saturated +25%#0076F6
Less saturated −25%#3678C0

Channel breakdown

R23
G119
B223
Red23 (9%)
Green119 (46.7%)
Blue223 (87.5%)
Hue211.2°
Saturation (HSL)81.3%
Lightness48.24%
Dominant channelBlue
Hex per channelR 17 · G 77 · B DF

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Every value on this page was computed from “1777df” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.