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Recognised as Colour

#1B8EB2

  • #1B8EB2
  • Cyan
  • Dark
  • Nearest: Steel blue

#1B8EB2 is a cyan with RGB values 27, 142, 178 and HSL 194°, 74%, 40%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#1B8EB2#1B8EB2
HEX#1B8EB2
RGBrgb(27, 142, 178)
RGB (0–1)0.1059, 0.5569, 0.698
RGB percentages10.6%, 55.7%, 69.8%
HSLhsl(194.3, 73.7%, 40.2%)
HSV / HSBhsv(194.3, 84.8%, 69.8%)
CMYK84.8%, 20.2%, 0%, 30.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,806,002
CSS custom property--colour: #1B8EB2;

Brightness & contrast

Relative luminance0.22793WCAG 2.x, 0 is black and 1 is white
Perceived brightness125.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.56:1
Contrast with white3.78:1WCAG normal text: Fail
Contrast with black5.56:1WCAG normal text: AA
Greyscale equivalent#787878
Inverted#E4714D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7A8BB4no red cones; affects about 1% of men; ΔE 21.8 from the original
Deuteranopia#677DB2no green cones; the most common form, about 1% of men; ΔE 23.8 from the original
Tritanopia#00999Ano blue cones; rare, and affects men and women equally; ΔE 23 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.78:1WCAG large text: AA
Contrast with black, large text5.56:1WCAG large text: AAA

Named colours

Steel blue · ΔE 14.4Cadetblue · ΔE 21.1Light slate grey · ΔE 22.3Dark cyan · ΔE 22.8Slate grey · ΔE 22.9Teal · ΔE 23.1
Nearest named CSS colourSteel blue (#4682B4)ΔE 14.4, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B23F1B
Analogous#1BB28B, #1B42B2
Triadic#B21B8E, #8EB21B
Split complementary#B21B42, #B28B1B
Tetradic#8B1BB2, #B23F1B, #43B21B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A7E0F2
Lighter +30%#7BD0EB
Lighter +20%#4FC1E4
Lighter +10%#22B1DE
Darker −10%#146B86
Darker −20%#0E4759
Darker −30%#07242D
Darker −40%#000101
More saturated +25%#019BCC
Less saturated −25%#358198

Channel breakdown

R27
G142
B178
Red27 (10.6%)
Green142 (55.7%)
Blue178 (69.8%)
Hue194.3°
Saturation (HSL)73.66%
Lightness40.2%
Dominant channelBlue
Hex per channelR 1B · G 8E · B B2

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Every value on this page was computed from “1b8eb2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.