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Recognised as Colour

#508AA8

  • #508AA8
  • Blue
  • Dark
  • Nearest: Steel blue

#508AA8 is a blue with RGB values 80, 138, 168 and HSL 200°, 35%, 49%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#508AA8#508AA8
HEX#508AA8
RGBrgb(80, 138, 168)
RGB (0–1)0.3137, 0.5412, 0.6588
RGB percentages31.4%, 54.1%, 65.9%
HSLhsl(200.5, 35.5%, 48.6%)
HSV / HSBhsv(200.5, 52.4%, 65.9%)
CMYK52.4%, 17.9%, 0%, 34.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,278,376
CSS custom property--colour: #508AA8;

Brightness & contrast

Relative luminance0.2271WCAG 2.x, 0 is black and 1 is white
Perceived brightness127.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.54:1
Contrast with white3.79:1WCAG normal text: Fail
Contrast with black5.54:1WCAG normal text: AA
Greyscale equivalent#808080
Inverted#AF7557

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7B88AAno red cones; affects about 1% of men; ΔE 13.9 from the original
Deuteranopia#6F7FA8no green cones; the most common form, about 1% of men; ΔE 14.8 from the original
Tritanopia#1B9294no blue cones; rare, and affects men and women equally; ΔE 22.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.79:1WCAG large text: AA
Contrast with black, large text5.54:1WCAG large text: AAA

Named colours

Steel blue · ΔE 12.4Light slate grey · ΔE 13.4Slate grey · ΔE 14Cadetblue · ΔE 18.2Teal · ΔE 23.7Gray · ΔE 24.1
Nearest named CSS colourSteel blue (#4682B4)ΔE 12.44, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A86E50
Analogous#50A89A, #505EA8
Triadic#A8508A, #8AA850
Split complementary#A8505E, #A89A50
Tetradic#9A50A8, #A86E50, #5EA850

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D8E5EC
Lighter +30%#B5CFDC
Lighter +20%#93B8CB
Lighter +10%#70A1BB
Darker −10%#406E85
Darker −20%#2F5163
Darker −30%#1F3540
Darker −40%#0E181E
More saturated +25%#3194C7
Less saturated −25%#6F8089

Channel breakdown

R80
G138
B168
Red80 (31.4%)
Green138 (54.1%)
Blue168 (65.9%)
Hue200.45°
Saturation (HSL)35.48%
Lightness48.63%
Dominant channelBlue
Hex per channelR 50 · G 8A · B A8

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Every value on this page was computed from “508aa8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.