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Recognised as Colour

#658DC9

  • #658DC9
  • Blue
  • Dark
  • Nearest: Steel blue

#658DC9 is a blue with RGB values 101, 141, 201 and HSL 216°, 48%, 59%. It is a dark colour, so black text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#658DC9#658DC9
HEX#658DC9
RGBrgb(101, 141, 201)
RGB (0–1)0.3961, 0.5529, 0.7882
RGB percentages39.6%, 55.3%, 78.8%
HSLhsl(216, 48.1%, 59.2%)
HSV / HSBhsv(216, 49.8%, 78.8%)
CMYK49.8%, 29.9%, 0%, 21.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,655,433
CSS custom property--colour: #658DC9;

Brightness & contrast

Relative luminance0.26034WCAG 2.x, 0 is black and 1 is white
Perceived brightness139 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.21:1
Contrast with white3.38:1WCAG normal text: Fail
Contrast with black6.21:1WCAG normal text: AA
Greyscale equivalent#898989
Inverted#9A7236

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7691CCno red cones; affects about 1% of men; ΔE 4 from the original
Deuteranopia#6A87C8no green cones; the most common form, about 1% of men; ΔE 4.9 from the original
Tritanopia#379AA2no blue cones; rare, and affects men and women equally; ΔE 36.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.38:1WCAG large text: AA
Contrast with black, large text6.21:1WCAG large text: AAA

Named colours

Steel blue · ΔE 9.5Cornflower blue · ΔE 15.9Light slate grey · ΔE 24.8Slate grey · ΔE 25.8Deep skyblue · ΔE 26.2Light skyblue · ΔE 26.5
Nearest named CSS colourSteel blue (#4682B4)ΔE 9.49, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C9A165
Analogous#65BFC9, #6F65C9
Triadic#C9658D, #8DC965
Split complementary#C96F65, #BFC965
Tetradic#C965BF, #C9A165, #65C96F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FCFDFE
Lighter +30%#D6E1F1
Lighter +20%#B1C5E3
Lighter +10%#8BA9D6
Darker −10%#4171BA
Darker −20%#345A94
Darker −30%#27436E
Darker −40%#192C49
More saturated +25%#4B88E3
Less saturated −25%#7F92AF

Channel breakdown

R101
G141
B201
Red101 (39.6%)
Green141 (55.3%)
Blue201 (78.8%)
Hue216°
Saturation (HSL)48.08%
Lightness59.22%
Dominant channelBlue
Hex per channelR 65 · G 8D · B C9

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Every value on this page was computed from “658dc9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.