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Recognised as Colour

#7583A6

  • #7583A6
  • Blue
  • Dark
  • Nearest: Light slate grey

#7583A6 is a blue with RGB values 117, 131, 166 and HSL 223°, 22%, 55%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Light slate grey.

Colour values

#7583A6#7583A6
HEX#7583A6
RGBrgb(117, 131, 166)
RGB (0–1)0.4588, 0.5137, 0.651
RGB percentages45.9%, 51.4%, 65.1%
HSLhsl(222.9, 21.6%, 55.5%)
HSV / HSBhsv(222.9, 29.5%, 65.1%)
CMYK29.5%, 21.1%, 0%, 34.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer7,701,414
CSS custom property--colour: #7583A6;

Brightness & contrast

Relative luminance0.22768WCAG 2.x, 0 is black and 1 is white
Perceived brightness131.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.55:1
Contrast with white3.78:1WCAG normal text: Fail
Contrast with black5.55:1WCAG normal text: AA
Greyscale equivalent#838383
Inverted#8A7C59

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7886A8no red cones; affects about 1% of men; ΔE 1.3 from the original
Deuteranopia#7481A5no green cones; the most common form, about 1% of men; ΔE 1 from the original
Tritanopia#688A8Fno blue cones; rare, and affects men and women equally; ΔE 19.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.78:1WCAG large text: AA
Contrast with black, large text5.55:1WCAG large text: AAA

Named colours

Light slate grey · ΔE 10.7Slate grey · ΔE 11.3Steel blue · ΔE 14.2Gray · ΔE 20.6Dim grey · ΔE 23Light steelblue · ΔE 24.6
Nearest named CSS colourLight slate grey (#778899)ΔE 10.72, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A69875
Analogous#759BA6, #8075A6
Triadic#A67583, #83A675
Split complementary#A68075, #9BA675
Tetradic#A6759C, #A69875, #75A680

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F1F2F6
Lighter +30%#D2D7E2
Lighter +20%#B3BBCE
Lighter +10%#949FBA
Darker −10%#5B698D
Darker −20%#47526E
Darker −30%#333B4F
Darker −40%#1F2430
More saturated +25%#5977C2
Less saturated −25%#8E8E8E

Channel breakdown

R117
G131
B166
Red117 (45.9%)
Green131 (51.4%)
Blue166 (65.1%)
Hue222.86°
Saturation (HSL)21.59%
Lightness55.49%
Dominant channelBlue
Hex per channelR 75 · G 83 · B A6

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Every value on this page was computed from “7583a6” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.