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Recognised as Colour

#6685C0

  • #6685C0
  • Blue
  • Dark
  • Nearest: Steel blue

#6685C0 is a blue with RGB values 102, 133, 192 and HSL 219°, 42%, 58%. It is a dark colour, so black text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#6685C0#6685C0
HEX#6685C0
RGBrgb(102, 133, 192)
RGB (0–1)0.4, 0.5216, 0.7529
RGB percentages40%, 52.2%, 75.3%
HSLhsl(219.3, 41.7%, 57.6%)
HSV / HSBhsv(219.3, 46.9%, 75.3%)
CMYK46.9%, 30.7%, 0%, 24.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,718,912
CSS custom property--colour: #6685C0;

Brightness & contrast

Relative luminance0.23406WCAG 2.x, 0 is black and 1 is white
Perceived brightness133 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.68:1
Contrast with white3.7:1WCAG normal text: Fail
Contrast with black5.68:1WCAG normal text: AA
Greyscale equivalent#838383
Inverted#997A3F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6F89C3no red cones; affects about 1% of men; ΔE 2.3 from the original
Deuteranopia#6581BFno green cones; the most common form, about 1% of men; ΔE 2.6 from the original
Tritanopia#42929Ano blue cones; rare, and affects men and women equally; ΔE 35.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.7:1WCAG large text: AA
Contrast with black, large text5.68:1WCAG large text: AAA

Named colours

Steel blue · ΔE 9.9Cornflower blue · ΔE 16.9Light slate grey · ΔE 24.3Slate grey · ΔE 24.9Light skyblue · ΔE 29.6Deep skyblue · ΔE 29.7
Nearest named CSS colourSteel blue (#4682B4)ΔE 9.92, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C0A166
Analogous#66B2C0, #7466C0
Triadic#C06685, #85C066
Split complementary#C07466, #B2C066
Tetradic#C066B2, #C0A166, #66C074

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F7F8FC
Lighter +30%#D2DBED
Lighter +20%#AEBFDE
Lighter +10%#8AA2CF
Darker −10%#476AAC
Darker −20%#385488
Darker −30%#293D64
Darker −40%#1A2740
More saturated +25%#4B7DDB
Less saturated −25%#818DA5

Channel breakdown

R102
G133
B192
Red102 (40%)
Green133 (52.2%)
Blue192 (75.3%)
Hue219.33°
Saturation (HSL)41.67%
Lightness57.65%
Dominant channelBlue
Hex per channelR 66 · G 85 · B C0

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Every value on this page was computed from “6685c0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.