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Recognised as Colour

#5993AB

  • #5993AB
  • Cyan
  • Dark
  • Nearest: Light slate grey

#5993AB is a cyan with RGB values 89, 147, 171 and HSL 198°, 33%, 51%. It is a dark colour, so black text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Light slate grey.

Colour values

#5993AB#5993AB
HEX#5993AB
RGBrgb(89, 147, 171)
RGB (0–1)0.349, 0.5765, 0.6706
RGB percentages34.9%, 57.6%, 67.1%
HSLhsl(197.6, 32.8%, 51%)
HSV / HSBhsv(197.6, 48%, 67.1%)
CMYK48%, 14%, 0%, 32.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,870,507
CSS custom property--colour: #5993AB;

Brightness & contrast

Relative luminance0.25932WCAG 2.x, 0 is black and 1 is white
Perceived brightness135.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.19:1
Contrast with white3.39:1WCAG normal text: Fail
Contrast with black6.19:1WCAG normal text: AA
Greyscale equivalent#888888
Inverted#A66C54

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8691ACno red cones; affects about 1% of men; ΔE 14.8 from the original
Deuteranopia#7A87ABno green cones; the most common form, about 1% of men; ΔE 16.2 from the original
Tritanopia#319A9Bno blue cones; rare, and affects men and women equally; ΔE 18.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.39:1WCAG large text: AA
Contrast with black, large text6.19:1WCAG large text: AAA

Named colours

Light slate grey · ΔE 12.6Cadetblue · ΔE 13.7Slate grey · ΔE 13.9Steel blue · ΔE 16.9Dark cyan · ΔE 21.4Sky blue · ΔE 21.6
Nearest named CSS colourLight slate grey (#778899)ΔE 12.64, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AB7159
Analogous#59AB9A, #596AAB
Triadic#AB5993, #93AB59
Split complementary#AB596A, #AB9A59
Tetradic#9A59AB, #AB7159, #6AAB59

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E0EBF0
Lighter +30%#BFD5DE
Lighter +20%#9DBFCD
Lighter +10%#7BA9BC
Darker −10%#46778B
Darker −20%#355A69
Darker −30%#243D47
Darker −40%#132025
More saturated +25%#3AA0CA
Less saturated −25%#78868C

Channel breakdown

R89
G147
B171
Red89 (34.9%)
Green147 (57.6%)
Blue171 (67.1%)
Hue197.56°
Saturation (HSL)32.8%
Lightness50.98%
Dominant channelBlue
Hex per channelR 59 · G 93 · B AB

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Every value on this page was computed from “5993ab” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.