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Recognised as Colour

#508CBB

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

#508CBB is a blue with RGB values 80, 140, 187 and HSL 206°, 44%, 52%. It is a dark colour, so black text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#508CBB#508CBB
HEX#508CBB
RGBrgb(80, 140, 187)
RGB (0–1)0.3137, 0.549, 0.7333
RGB percentages31.4%, 54.9%, 73.3%
HSLhsl(206.4, 44%, 52.4%)
HSV / HSBhsv(206.4, 57.2%, 73.3%)
CMYK57.2%, 25.1%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,278,907
CSS custom property--colour: #508CBB;

Brightness & contrast

Relative luminance0.24049WCAG 2.x, 0 is black and 1 is white
Perceived brightness131.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.81:1
Contrast with white3.61:1WCAG normal text: Fail
Contrast with black5.81:1WCAG normal text: AA
Greyscale equivalent#838383
Inverted#AF7344

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#788DBDno red cones; affects about 1% of men; ΔE 10.7 from the original
Deuteranopia#6982BAno green cones; the most common form, about 1% of men; ΔE 11.7 from the original
Tritanopia#00979Cno blue cones; rare, and affects men and women equally; ΔE 31.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.61:1WCAG large text: AA
Contrast with black, large text5.81:1WCAG large text: AAA

Named colours

Steel blue · ΔE 4.3Light slate grey · ΔE 19.6Slate grey · ΔE 20.4Deep skyblue · ΔE 23.7Light skyblue · ΔE 24.2Cornflower blue · ΔE 24.7
Nearest named CSS colourSteel blue (#4682B4)ΔE 4.32, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BB7F50
Analogous#50BBB4, #5057BB
Triadic#BB508C, #8CBB50
Split complementary#BB5057, #BBB450
Tetradic#B450BB, #BB7F50, #56BB50

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E3EDF4
Lighter +30%#BED4E6
Lighter +20%#99BCD8
Lighter +10%#75A4C9
Darker −10%#3C729C
Darker −20%#2E5777
Darker −30%#203C52
Darker −40%#12212D
More saturated +25%#3290D9
Less saturated −25%#6E889D

Channel breakdown

R80
G140
B187
Red80 (31.4%)
Green140 (54.9%)
Blue187 (73.3%)
Hue206.36°
Saturation (HSL)44.03%
Lightness52.35%
Dominant channelBlue
Hex per channelR 50 · G 8C · B BB

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