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Recognised as Colour

#505B76

  • #505B76
  • Blue
  • Dark
  • Nearest: Slate grey

#505B76 is a blue with RGB values 80, 91, 118 and HSL 223°, 19%, 39%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Slate grey.

Colour values

#505B76#505B76
HEX#505B76
RGBrgb(80, 91, 118)
RGB (0–1)0.3137, 0.3569, 0.4627
RGB percentages31.4%, 35.7%, 46.3%
HSLhsl(222.6, 19.2%, 38.8%)
HSV / HSBhsv(222.6, 32.2%, 46.3%)
CMYK32.2%, 22.9%, 0%, 53.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,266,294
CSS custom property--colour: #505B76;

Brightness & contrast

Relative luminance0.10496WCAG 2.x, 0 is black and 1 is white
Perceived brightness91.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.78:1
Contrast with white6.78:1WCAG normal text: AA
Contrast with black3.1:1WCAG normal text: Fail
Greyscale equivalent#5B5B5B
Inverted#AFA489

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#525D77no red cones; affects about 1% of men; ΔE 1 from the original
Deuteranopia#4F5A75no green cones; the most common form, about 1% of men; ΔE 0.4 from the original
Tritanopia#456064no blue cones; rare, and affects men and women equally; ΔE 16.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.78:1WCAG large text: AAA
Contrast with black, large text3.1:1WCAG large text: AA

Named colours

Slate grey · ΔE 16.1Dim grey · ΔE 17.8Light slate grey · ΔE 18.7Dark slate grey · ΔE 20.7Steel blue · ΔE 21.8Gray · ΔE 22.5
Nearest named CSS colourSlate grey (#708090)ΔE 16.12, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#766B50
Analogous#506E76, #585076
Triadic#76505B, #5B7650
Split complementary#765850, #6E7650
Tetradic#76506E, #766B50, #507658

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BFC5D3
Lighter +30%#A0A9BF
Lighter +20%#828EAA
Lighter +10%#657294
Darker −10%#3B4458
Darker −20%#272C39
Darker −30%#12151B
Darker −40%#000000
More saturated +25%#37518F
Less saturated −25%#636363

Channel breakdown

R80
G91
B118
Red80 (31.4%)
Green91 (35.7%)
Blue118 (46.3%)
Hue222.63°
Saturation (HSL)19.19%
Lightness38.82%
Dominant channelBlue
Hex per channelR 50 · G 5B · B 76

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Every value on this page was computed from “505b76” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.