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Colour

#617BBB

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

#617BBB is a blue with RGB values 97, 123, 187 and HSL 223°, 40%, 56%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#617BBB#617BBB
HEX#617BBB
RGBrgb(97, 123, 187)
RGB (0–1)0.3804, 0.4824, 0.7333
RGB percentages38%, 48.2%, 73.3%
HSLhsl(222.7, 39.8%, 55.7%)
HSV / HSBhsv(222.7, 48.1%, 73.3%)
CMYK48.1%, 34.2%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,388,667
CSS custom property--colour: #617BBB;

Brightness & contrast

Relative luminance0.20295WCAG 2.x, 0 is black and 1 is white
Perceived brightness125.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.06:1
Contrast with white4.15:1WCAG normal text: Fail
Contrast with black5.06:1WCAG normal text: AA
Greyscale equivalent#7A7A7A
Inverted#9E8444

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6381BEno red cones; affects about 1% of men; ΔE 3.2 from the original
Deuteranopia#5A79BAno green cones; the most common form, about 1% of men; ΔE 1.7 from the original
Tritanopia#3D8992no blue cones; rare, and affects men and women equally; ΔE 38 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.15:1WCAG large text: AA
Contrast with black, large text5.06:1WCAG large text: AAA

Named colours

Steel blue · ΔE 13.2Cornflower blue · ΔE 16.1Dodgerblue · ΔE 27.8Light slate grey · ΔE 27.8Slate grey · ΔE 28.1Dark slateblue · ΔE 28.3
Nearest named CSS colourSteel blue (#4682B4)ΔE 13.18, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BBA161
Analogous#61A8BB, #7461BB
Triadic#BB617B, #7BBB61
Split complementary#BB7461, #A8BB61
Tetradic#BB61A8, #BBA161, #61BB74

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F0F2F8
Lighter +30%#CCD4E9
Lighter +20%#A8B7DA
Lighter +10%#8599CA
Darker −10%#4661A3
Darker −20%#374C7F
Darker −30%#27365C
Darker −40%#182138
More saturated +25%#456FD7
Less saturated −25%#7D879F

Channel breakdown

R97
G123
B187
Red97 (38%)
Green123 (48.2%)
Blue187 (73.3%)
Hue222.67°
Saturation (HSL)39.82%
Lightness55.69%
Dominant channelBlue
Hex per channelR 61 · G 7B · B BB

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