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Recognised as Colour

#115B80

  • #115B80
  • Blue
  • Dark
  • Nearest: Steel blue

#115B80 is a blue with RGB values 17, 91, 128 and HSL 200°, 77%, 28%. It is a dark colour, so white text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#115B80#115B80
HEX#115B80
RGBrgb(17, 91, 128)
RGB (0–1)0.0667, 0.3569, 0.502
RGB percentages6.7%, 35.7%, 50.2%
HSLhsl(200, 76.6%, 28.4%)
HSV / HSBhsv(200, 86.7%, 50.2%)
CMYK86.7%, 28.9%, 0%, 49.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,137,536
CSS custom property--colour: #115B80;

Brightness & contrast

Relative luminance0.0916WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.42:1
Contrast with white7.42:1WCAG normal text: AAA
Contrast with black2.83:1WCAG normal text: Fail
Greyscale equivalent#4E4E4E
Inverted#EEA47F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#495B82no red cones; affects about 1% of men; ΔE 12.1 from the original
Deuteranopia#3A517Fno green cones; the most common form, about 1% of men; ΔE 13.2 from the original
Tritanopia#006568no blue cones; rare, and affects men and women equally; ΔE 24 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.42:1WCAG large text: AAA
Contrast with black, large text2.83:1WCAG large text: Fail

Named colours

Steel blue · ΔE 17.4Slate grey · ΔE 23.8Dark slate grey · ΔE 24Light slate grey · ΔE 25.7Dim grey · ΔE 29Teal · ΔE 30.6
Nearest named CSS colourSteel blue (#4682B4)ΔE 17.39, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#803611
Analogous#11806E, #112380
Triadic#80115B, #5B8011
Split complementary#801124, #806E11
Tetradic#6D1180, #803611, #248011

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#71C3EC
Lighter +30%#44B0E6
Lighter +20%#1D9BDA
Lighter +10%#177BAD
Darker −10%#0B3B53
Darker −20%#051B26
Darker −30%#000000
Darker −40%#000000
More saturated +25%#006191
Less saturated −25%#23556E

Channel breakdown

R17
G91
B128
Red17 (6.7%)
Green91 (35.7%)
Blue128 (50.2%)
Hue200°
Saturation (HSL)76.55%
Lightness28.43%
Dominant channelBlue
Hex per channelR 11 · G 5B · B 80

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Every value on this page was computed from “115b80” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.