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Colour

#65657B

  • #65657B
  • Blue
  • Dark
  • Nearest: Slate grey

#65657B is a blue with RGB values 101, 101, 123 and HSL 240°, 10%, 44%. It is a dark colour, so white text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Slate grey.

Colour values

#65657B#65657B
HEX#65657B
RGBrgb(101, 101, 123)
RGB (0–1)0.3961, 0.3961, 0.4824
RGB percentages39.6%, 39.6%, 48.2%
HSLhsl(240, 9.8%, 43.9%)
HSV / HSBhsv(240, 17.9%, 48.2%)
CMYK17.9%, 17.9%, 0%, 51.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,645,115
CSS custom property--colour: #65657B;

Brightness & contrast

Relative luminance0.13504WCAG 2.x, 0 is black and 1 is white
Perceived brightness103.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.67:1
Contrast with white5.67:1WCAG normal text: AA
Contrast with black3.7:1WCAG normal text: Fail
Greyscale equivalent#676767
Inverted#9A9A84

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#60677Cno red cones; affects about 1% of men; ΔE 2.7 from the original
Deuteranopia#5F667Ano green cones; the most common form, about 1% of men; ΔE 3 from the original
Tritanopia#60696Cno blue cones; rare, and affects men and women equally; ΔE 12.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.67:1WCAG large text: AAA
Contrast with black, large text3.7:1WCAG large text: AA

Named colours

Slate grey · ΔE 11.8Dim grey · ΔE 13.3Light slate grey · ΔE 14.4Gray · ΔE 16.6Dark slate grey · ΔE 22.4Steel blue · ΔE 23.7
Nearest named CSS colourSlate grey (#708090)ΔE 11.84, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7B7B65
Analogous#65707B, #70657B
Triadic#7B6565, #657B65
Split complementary#7B7065, #707B65
Tetradic#7B6570, #7B7B65, #657B70

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D2D2DA
Lighter +30%#B6B6C3
Lighter +20%#9A9AAC
Lighter +10%#7E7E95
Darker −10%#4E4E5F
Darker −20%#373743
Darker −30%#202027
Darker −40%#09090B
More saturated +25%#494997
Less saturated −25%#707070

Channel breakdown

R101
G101
B123
Red101 (39.6%)
Green101 (39.6%)
Blue123 (48.2%)
Hue240°
Saturation (HSL)9.82%
Lightness43.92%
Dominant channelBlue
Hex per channelR 65 · G 65 · B 7B

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Every value on this page was computed from “65657b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.