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Recognised as Colour

#1B80AF

  • #1B80AF
  • Cyan
  • Dark
  • Nearest: Steel blue

#1B80AF is a cyan with RGB values 27, 128, 175 and HSL 199°, 73%, 40%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#1B80AF#1B80AF
HEX#1B80AF
RGBrgb(27, 128, 175)
RGB (0–1)0.1059, 0.502, 0.6863
RGB percentages10.6%, 50.2%, 68.6%
HSLhsl(199.1, 73.3%, 39.6%)
HSV / HSBhsv(199.1, 84.6%, 68.6%)
CMYK84.6%, 26.9%, 0%, 31.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,802,415
CSS custom property--colour: #1B80AF;

Brightness & contrast

Relative luminance0.18766WCAG 2.x, 0 is black and 1 is white
Perceived brightness115.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.75:1
Contrast with white4.42:1WCAG normal text: Fail
Contrast with black4.75:1WCAG normal text: AA
Greyscale equivalent#6E6E6E
Inverted#E47F50

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#697FB1no red cones; affects about 1% of men; ΔE 16.5 from the original
Deuteranopia#5672AEno green cones; the most common form, about 1% of men; ΔE 18.1 from the original
Tritanopia#008C90no blue cones; rare, and affects men and women equally; ΔE 28.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.42:1WCAG large text: AA
Contrast with black, large text4.75:1WCAG large text: AAA

Named colours

Steel blue · ΔE 7Light slate grey · ΔE 23.8Slate grey · ΔE 23.8Deep skyblue · ΔE 25.2Cornflower blue · ΔE 28.5Cadetblue · ΔE 28.8
Nearest named CSS colourSteel blue (#4682B4)ΔE 6.96, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AF4A1B
Analogous#1BAF94, #1B36AF
Triadic#AF1B80, #80AF1B
Split complementary#AF1B36, #AF941B
Tetradic#941BAF, #AF4A1B, #36AF1B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A5D9F1
Lighter +30%#79C6EA
Lighter +20%#4DB4E3
Lighter +10%#22A0DB
Darker −10%#146083
Darker −20%#0D3F57
Darker −30%#071F2A
Darker −40%#000000
More saturated +25%#0289C8
Less saturated −25%#347796

Channel breakdown

R27
G128
B175
Red27 (10.6%)
Green128 (50.2%)
Blue175 (68.6%)
Hue199.05°
Saturation (HSL)73.27%
Lightness39.61%
Dominant channelBlue
Hex per channelR 1B · G 80 · B AF

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Every value on this page was computed from “1b80af” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.