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Recognised as Colour

#618ECF

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

#618ECF is a blue with RGB values 97, 142, 207 and HSL 215°, 53%, 60%. It is a dark colour, so black text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#618ECF#618ECF
HEX#618ECF
RGBrgb(97, 142, 207)
RGB (0–1)0.3804, 0.5569, 0.8118
RGB percentages38%, 55.7%, 81.2%
HSLhsl(215.5, 53.4%, 59.6%)
HSV / HSBhsv(215.5, 53.1%, 81.2%)
CMYK53.1%, 31.4%, 0%, 18.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,393,551
CSS custom property--colour: #618ECF;

Brightness & contrast

Relative luminance0.26392WCAG 2.x, 0 is black and 1 is white
Perceived brightness139.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.28:1
Contrast with white3.34:1WCAG normal text: Fail
Contrast with black6.28:1WCAG normal text: AA
Greyscale equivalent#898989
Inverted#9E7130

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7492D2no red cones; affects about 1% of men; ΔE 4.3 from the original
Deuteranopia#6788CEno green cones; the most common form, about 1% of men; ΔE 5 from the original
Tritanopia#249CA5no blue cones; rare, and affects men and women equally; ΔE 39.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.34:1WCAG large text: AA
Contrast with black, large text6.28:1WCAG large text: AAA

Named colours

Steel blue · ΔE 11.2Cornflower blue · ΔE 13.2Deep skyblue · ΔE 25.6Dodgerblue · ΔE 26.1Light skyblue · ΔE 27.3Light slate grey · ΔE 27.7
Nearest named CSS colourSteel blue (#4682B4)ΔE 11.18, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CFA261
Analogous#61C5CF, #6B61CF
Triadic#CF618E, #8ECF61
Split complementary#CF6B61, #C5CF61
Tetradic#CF61C5, #CFA261, #61CF6B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FDFEFF
Lighter +30%#D6E2F3
Lighter +20%#AFC6E7
Lighter +10%#88AADB
Darker −10%#3B72C2
Darker −20%#2F5B9B
Darker −30%#234474
Darker −40%#172D4D
More saturated +25%#4789E9
Less saturated −25%#7B93B5

Channel breakdown

R97
G142
B207
Red97 (38%)
Green142 (55.7%)
Blue207 (81.2%)
Hue215.45°
Saturation (HSL)53.4%
Lightness59.61%
Dominant channelBlue
Hex per channelR 61 · G 8E · B CF

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