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Recognised as Colour

#6690C1

  • #6690C1
  • Blue
  • Dark
  • Nearest: Steel blue

#6690C1 is a blue with RGB values 102, 144, 193 and HSL 212°, 42%, 58%. 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

#6690C1#6690C1
HEX#6690C1
RGBrgb(102, 144, 193)
RGB (0–1)0.4, 0.5647, 0.7569
RGB percentages40%, 56.5%, 75.7%
HSLhsl(212.3, 42.3%, 57.8%)
HSV / HSBhsv(212.3, 47.2%, 75.7%)
CMYK47.2%, 25.4%, 0%, 24.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,721,729
CSS custom property--colour: #6690C1;

Brightness & contrast

Relative luminance0.26622WCAG 2.x, 0 is black and 1 is white
Perceived brightness139.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.32:1
Contrast with white3.32:1WCAG normal text: Fail
Contrast with black6.32:1WCAG normal text: AA
Greyscale equivalent#8B8B8B
Inverted#996F3E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7D92C3no red cones; affects about 1% of men; ΔE 6.3 from the original
Deuteranopia#7289C0no green cones; the most common form, about 1% of men; ΔE 7.1 from the original
Tritanopia#3F9BA1no blue cones; rare, and affects men and women equally; ΔE 30.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.32:1WCAG large text: AA
Contrast with black, large text6.32:1WCAG large text: AAA

Named colours

Steel blue · ΔE 7.3Light slate grey · ΔE 19Slate grey · ΔE 20.2Cornflower blue · ΔE 22.2Light skyblue · ΔE 23.3Light steelblue · ΔE 24.7
Nearest named CSS colourSteel blue (#4682B4)ΔE 7.27, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C19766
Analogous#66BEC1, #6966C1
Triadic#C16690, #90C166
Split complementary#C16966, #BEC166
Tetradic#C166BE, #C19766, #66C169

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F7F9FC
Lighter +30%#D3DFED
Lighter +20%#AFC5DE
Lighter +10%#8AAAD0
Darker −10%#4676AE
Darker −20%#385D89
Darker −30%#294565
Darker −40%#1A2C41
More saturated +25%#4B8EDC
Less saturated −25%#8192A6

Channel breakdown

R102
G144
B193
Red102 (40%)
Green144 (56.5%)
Blue193 (75.7%)
Hue212.31°
Saturation (HSL)42.33%
Lightness57.84%
Dominant channelBlue
Hex per channelR 66 · G 90 · B C1

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Every value on this page was computed from “6690c1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.