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Recognised as Colour

#1180B1

  • #1180B1
  • Cyan
  • Dark
  • Nearest: Steel blue

#1180B1 is a cyan with RGB values 17, 128, 177 and HSL 198°, 82%, 38%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#1180B1#1180B1
HEX#1180B1
RGBrgb(17, 128, 177)
RGB (0–1)0.0667, 0.502, 0.6941
RGB percentages6.7%, 50.2%, 69.4%
HSLhsl(198.4, 82.5%, 38%)
HSV / HSBhsv(198.4, 90.4%, 69.4%)
CMYK90.4%, 27.7%, 0%, 30.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,147,057
CSS custom property--colour: #1180B1;

Brightness & contrast

Relative luminance0.18732WCAG 2.x, 0 is black and 1 is white
Perceived brightness115.2 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#6C6C6C
Inverted#EE7F4E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#687FB3no red cones; affects about 1% of men; ΔE 16.8 from the original
Deuteranopia#5472B0no green cones; the most common form, about 1% of men; ΔE 18.2 from the original
Tritanopia#008D91no blue cones; rare, and affects men and women equally; ΔE 29.7 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 7.1Deep skyblue · ΔE 24.8Light slate grey · ΔE 24.9Slate grey · ΔE 24.9Cornflower blue · ΔE 27.8Light skyblue · ΔE 29.8
Nearest named CSS colourSteel blue (#4682B4)ΔE 7.11, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B14211
Analogous#11B192, #1130B1
Triadic#B11180, #80B111
Split complementary#B11130, #B19211
Tetradic#9211B1, #B14211, #30B111

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#99D9F5
Lighter +30%#6AC8F1
Lighter +20%#3CB6EC
Lighter +10%#15A2E0
Darker −10%#0D5E82
Darker −20%#083D54
Darker −30%#041B25
Darker −40%#000000
More saturated +25%#0087C2
Less saturated −25%#297799

Channel breakdown

R17
G128
B177
Red17 (6.7%)
Green128 (50.2%)
Blue177 (69.4%)
Hue198.38°
Saturation (HSL)82.47%
Lightness38.04%
Dominant channelBlue
Hex per channelR 11 · G 80 · B B1

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Every value on this page was computed from “1180b1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.