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Recognised as Colour

#618BC1

  • #618BC1
  • Blue
  • Dark
  • Nearest: Steel blue

#618BC1 is a blue with RGB values 97, 139, 193 and HSL 214°, 44%, 57%. It is a dark colour, so black text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#618BC1#618BC1
HEX#618BC1
RGBrgb(97, 139, 193)
RGB (0–1)0.3804, 0.5451, 0.7569
RGB percentages38%, 54.5%, 75.7%
HSLhsl(213.8, 43.6%, 56.9%)
HSV / HSBhsv(213.8, 49.7%, 75.7%)
CMYK49.7%, 28%, 0%, 24.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,392,769
CSS custom property--colour: #618BC1;

Brightness & contrast

Relative luminance0.24857WCAG 2.x, 0 is black and 1 is white
Perceived brightness135.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.97:1
Contrast with white3.52:1WCAG normal text: Fail
Contrast with black5.97:1WCAG normal text: AA
Greyscale equivalent#868686
Inverted#9E743E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#768EC3no red cones; affects about 1% of men; ΔE 5.3 from the original
Deuteranopia#6A84C0no green cones; the most common form, about 1% of men; ΔE 6.4 from the original
Tritanopia#34979Eno blue cones; rare, and affects men and women equally; ΔE 33.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.52:1WCAG large text: AA
Contrast with black, large text5.97:1WCAG large text: AAA

Named colours

Steel blue · ΔE 6.6Cornflower blue · ΔE 19.5Light slate grey · ΔE 21.7Slate grey · ΔE 22.5Light skyblue · ΔE 25.9Deep skyblue · ΔE 26.1
Nearest named CSS colourSteel blue (#4682B4)ΔE 6.56, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C19761
Analogous#61BBC1, #6761C1
Triadic#C1618B, #8BC161
Split complementary#C16761, #BBC161
Tetradic#C161BB, #C19761, #61C167

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F4F7FA
Lighter +30%#CFDCEC
Lighter +20%#AAC1DE
Lighter +10%#86A6CF
Darker −10%#4371AC
Darker −20%#355987
Darker −30%#274162
Darker −40%#18293E
More saturated +25%#4688DD
Less saturated −25%#7D8EA5

Channel breakdown

R97
G139
B193
Red97 (38%)
Green139 (54.5%)
Blue193 (75.7%)
Hue213.75°
Saturation (HSL)43.64%
Lightness56.86%
Dominant channelBlue
Hex per channelR 61 · G 8B · B C1

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Every value on this page was computed from “618bc1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.