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Recognised as Colour

#978ACD

  • #978ACD
  • Blue
  • Dark
  • Nearest: Cornflower blue

#978ACD is a blue with RGB values 151, 138, 205 and HSL 252°, 40%, 67%. It is a dark colour, so black text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#978ACD#978ACD
HEX#978ACD
RGBrgb(151, 138, 205)
RGB (0–1)0.5922, 0.5412, 0.8039
RGB percentages59.2%, 54.1%, 80.4%
HSLhsl(251.6, 40.1%, 67.3%)
HSV / HSBhsv(251.6, 32.7%, 80.4%)
CMYK26.3%, 32.7%, 0%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,931,469
CSS custom property--colour: #978ACD;

Brightness & contrast

Relative luminance0.29164WCAG 2.x, 0 is black and 1 is white
Perceived brightness151 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.83:1
Contrast with white3.07:1WCAG normal text: Fail
Contrast with black6.83:1WCAG normal text: AA
Greyscale equivalent#929292
Inverted#687532

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7994D0no red cones; affects about 1% of men; ΔE 13.5 from the original
Deuteranopia#7A92CBno green cones; the most common form, about 1% of men; ΔE 13.5 from the original
Tritanopia#8B95A2no blue cones; rare, and affects men and women equally; ΔE 32 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.07:1WCAG large text: AA
Contrast with black, large text6.83:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 19.3Plum · ΔE 21.1Steel blue · ΔE 24.9Medium purple · ΔE 25.2Thistle · ΔE 31Light slate grey · ΔE 31.1
Nearest named CSS colourCornflower blue (#6495ED)ΔE 19.32, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C0CD8A
Analogous#8A9FCD, #B98ACD
Triadic#CD978A, #8ACD97
Split complementary#CDB98A, #9FCD8A
Tetradic#CD8A9E, #C0CD8A, #8ACDB9

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F6F5FB
Lighter +20%#D7D1EC
Lighter +10%#B7AEDC
Darker −10%#7766BE
Darker −20%#5B48A9
Darker −30%#483985
Darker −40%#342A61
More saturated +25%#8A75E2
Less saturated −25%#A49FB8

Channel breakdown

R151
G138
B205
Red151 (59.2%)
Green138 (54.1%)
Blue205 (80.4%)
Hue251.64°
Saturation (HSL)40.12%
Lightness67.25%
Dominant channelBlue
Hex per channelR 97 · G 8A · B CD

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Every value on this page was computed from “978acd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.