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Recognised as Colour

#617BB2

  • #617BB2
  • Blue
  • Dark
  • Nearest: Steel blue

#617BB2 is a blue with RGB values 97, 123, 178 and HSL 221°, 34%, 54%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#617BB2#617BB2
HEX#617BB2
RGBrgb(97, 123, 178)
RGB (0–1)0.3804, 0.4824, 0.698
RGB percentages38%, 48.2%, 69.8%
HSLhsl(220.7, 34.5%, 53.9%)
HSV / HSBhsv(220.7, 45.5%, 69.8%)
CMYK45.5%, 30.9%, 0%, 30.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,388,658
CSS custom property--colour: #617BB2;

Brightness & contrast

Relative luminance0.19922WCAG 2.x, 0 is black and 1 is white
Perceived brightness123.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.98:1
Contrast with white4.21:1WCAG normal text: Fail
Contrast with black4.98:1WCAG normal text: AA
Greyscale equivalent#797979
Inverted#9E844D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#677FB4no red cones; affects about 1% of men; ΔE 2.1 from the original
Deuteranopia#5E78B1no green cones; the most common form, about 1% of men; ΔE 1.7 from the original
Tritanopia#42878Fno blue cones; rare, and affects men and women equally; ΔE 32.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.21:1WCAG large text: AA
Contrast with black, large text4.98:1WCAG large text: AAA

Named colours

Steel blue · ΔE 9.7Cornflower blue · ΔE 20.4Light slate grey · ΔE 22.8Slate grey · ΔE 22.9Dark slateblue · ΔE 30.9Light steelblue · ΔE 32.3
Nearest named CSS colourSteel blue (#4682B4)ΔE 9.71, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B29861
Analogous#61A3B2, #7061B2
Triadic#B2617B, #7BB261
Split complementary#B27061, #A3B261
Tetradic#B261A3, #B29861, #61B270

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EAEEF5
Lighter +30%#C8D1E4
Lighter +20%#A6B4D3
Lighter +10%#8398C3
Darker −10%#496297
Darker −20%#394C74
Darker −30%#283552
Darker −40%#171F30
More saturated +25%#4470CF
Less saturated −25%#7E8695

Channel breakdown

R97
G123
B178
Red97 (38%)
Green123 (48.2%)
Blue178 (69.8%)
Hue220.74°
Saturation (HSL)34.47%
Lightness53.92%
Dominant channelBlue
Hex per channelR 61 · G 7B · B B2

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Every value on this page was computed from “617bb2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.