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Recognised as Colour

#7581A6

  • #7581A6
  • Blue
  • Dark
  • Nearest: Light slate grey

#7581A6 is a blue with RGB values 117, 129, 166 and HSL 225°, 22%, 55%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Light slate grey.

Colour values

#7581A6#7581A6
HEX#7581A6
RGBrgb(117, 129, 166)
RGB (0–1)0.4588, 0.5059, 0.651
RGB percentages45.9%, 50.6%, 65.1%
HSLhsl(225.3, 21.6%, 55.5%)
HSV / HSBhsv(225.3, 29.5%, 65.1%)
CMYK29.5%, 22.3%, 0%, 34.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer7,700,902
CSS custom property--colour: #7581A6;

Brightness & contrast

Relative luminance0.22236WCAG 2.x, 0 is black and 1 is white
Perceived brightness130.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.45:1
Contrast with white3.86:1WCAG normal text: Fail
Contrast with black5.45:1WCAG normal text: AA
Greyscale equivalent#818181
Inverted#8A7E59

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7684A8no red cones; affects about 1% of men; ΔE 1.4 from the original
Deuteranopia#7280A5no green cones; the most common form, about 1% of men; ΔE 0.8 from the original
Tritanopia#68888Eno blue cones; rare, and affects men and women equally; ΔE 20.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.86:1WCAG large text: AA
Contrast with black, large text5.45:1WCAG large text: AAA

Named colours

Light slate grey · ΔE 12.1Slate grey · ΔE 12.5Steel blue · ΔE 14.1Gray · ΔE 21.6Dim grey · ΔE 23.7Light steelblue · ΔE 25.5
Nearest named CSS colourLight slate grey (#778899)ΔE 12.12, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A69A75
Analogous#759AA6, #8275A6
Triadic#A67581, #81A675
Split complementary#A68275, #99A675
Tetradic#A6759A, #A69A75, #75A682

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F1F2F6
Lighter +30%#D2D6E2
Lighter +20%#B3BACE
Lighter +10%#949DBA
Darker −10%#5B678D
Darker −20%#47516E
Darker −30%#333A4F
Darker −40%#1F2330
More saturated +25%#5973C2
Less saturated −25%#8E8E8E

Channel breakdown

R117
G129
B166
Red117 (45.9%)
Green129 (50.6%)
Blue166 (65.1%)
Hue225.31°
Saturation (HSL)21.59%
Lightness55.49%
Dominant channelBlue
Hex per channelR 75 · G 81 · B A6

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Every value on this page was computed from “7581a6” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.