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Recognised as Colour

#617BA1

  • #617BA1
  • Blue
  • Dark
  • Nearest: Steel blue

#617BA1 is a blue with RGB values 97, 123, 161 and HSL 216°, 25%, 51%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#617BA1#617BA1
HEX#617BA1
RGBrgb(97, 123, 161)
RGB (0–1)0.3804, 0.4824, 0.6314
RGB percentages38%, 48.2%, 63.1%
HSLhsl(215.6, 25.4%, 50.6%)
HSV / HSBhsv(215.6, 39.8%, 63.1%)
CMYK39.8%, 23.6%, 0%, 36.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,388,641
CSS custom property--colour: #617BA1;

Brightness & contrast

Relative luminance0.19281WCAG 2.x, 0 is black and 1 is white
Perceived brightness121 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.86:1
Contrast with white4.32:1WCAG normal text: Fail
Contrast with black4.86:1WCAG normal text: AA
Greyscale equivalent#787878
Inverted#9E845E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6D7DA3no red cones; affects about 1% of men; ΔE 3.4 from the original
Deuteranopia#6677A0no green cones; the most common form, about 1% of men; ΔE 3.7 from the original
Tritanopia#4B8388no blue cones; rare, and affects men and women equally; ΔE 23.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.32:1WCAG large text: AA
Contrast with black, large text4.86:1WCAG large text: AAA

Named colours

Steel blue · ΔE 10.1Slate grey · ΔE 13.2Light slate grey · ΔE 13.5Gray · ΔE 23.5Dim grey · ΔE 24.3Cadetblue · ΔE 27.7
Nearest named CSS colourSteel blue (#4682B4)ΔE 10.12, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A18761
Analogous#619BA1, #6761A1
Triadic#A1617B, #7BA161
Split complementary#A16761, #9BA161
Tetradic#A1619B, #A18761, #61A167

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E1E6ED
Lighter +30%#C1CBDA
Lighter +20%#A1B0C7
Lighter +10%#8196B4
Darker −10%#4D6382
Darker −20%#3A4A62
Darker −30%#273242
Darker −40%#141A22
More saturated +25%#4275C1
Less saturated −25%#818182

Channel breakdown

R97
G123
B161
Red97 (38%)
Green123 (48.2%)
Blue161 (63.1%)
Hue215.63°
Saturation (HSL)25.4%
Lightness50.59%
Dominant channelBlue
Hex per channelR 61 · G 7B · B A1

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Every value on this page was computed from “617ba1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.