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Recognised as Colour

#5A688B

  • #5A688B
  • Blue
  • Dark
  • Nearest: Slate grey

#5A688B is a blue with RGB values 90, 104, 139 and HSL 223°, 21%, 45%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Slate grey.

Colour values

#5A688B#5A688B
HEX#5A688B
RGBrgb(90, 104, 139)
RGB (0–1)0.3529, 0.4078, 0.5451
RGB percentages35.3%, 40.8%, 54.5%
HSLhsl(222.9, 21.4%, 44.9%)
HSV / HSBhsv(222.9, 35.3%, 54.5%)
CMYK35.3%, 25.2%, 0%, 45.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,925,003
CSS custom property--colour: #5A688B;

Brightness & contrast

Relative luminance0.13938WCAG 2.x, 0 is black and 1 is white
Perceived brightness104.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.54:1
Contrast with white5.54:1WCAG normal text: AA
Contrast with black3.79:1WCAG normal text: Fail
Greyscale equivalent#686868
Inverted#A59774

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5D6B8Dno red cones; affects about 1% of men; ΔE 1.4 from the original
Deuteranopia#58668Ano green cones; the most common form, about 1% of men; ΔE 1 from the original
Tritanopia#4C6F74no blue cones; rare, and affects men and women equally; ΔE 20.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.54:1WCAG large text: AAA
Contrast with black, large text3.79:1WCAG large text: AA

Named colours

Slate grey · ΔE 14.8Steel blue · ΔE 16Light slate grey · ΔE 16.5Dim grey · ΔE 21.3Gray · ΔE 23.3Dark slate grey · ΔE 26.5
Nearest named CSS colourSlate grey (#708090)ΔE 14.78, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8B7D5A
Analogous#5A808B, #655A8B
Triadic#8B5A68, #688B5A
Split complementary#8B655A, #808B5A
Tetradic#8B5A80, #8B7D5A, #5A8B65

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D0D5E1
Lighter +30%#B1B9CD
Lighter +20%#929DB9
Lighter +10%#7381A5
Darker −10%#46516C
Darker −20%#323A4D
Darker −30%#1E232E
Darker −40%#0A0B0F
More saturated +25%#3D5CA8
Less saturated −25%#727272

Channel breakdown

R90
G104
B139
Red90 (35.3%)
Green104 (40.8%)
Blue139 (54.5%)
Hue222.86°
Saturation (HSL)21.4%
Lightness44.9%
Dominant channelBlue
Hex per channelR 5A · G 68 · B 8B

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Every value on this page was computed from “5a688b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.