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Recognised as Colour

#604ECD

  • #604ECD
  • Blue
  • Dark
  • Nearest: Slate blue

#604ECD is a blue with RGB values 96, 78, 205 and HSL 249°, 56%, 55%. It is a dark colour, so white text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Slate blue.

Colour values

#604ECD#604ECD
HEX#604ECD
RGBrgb(96, 78, 205)
RGB (0–1)0.3765, 0.3059, 0.8039
RGB percentages37.6%, 30.6%, 80.4%
HSLhsl(248.5, 55.9%, 55.5%)
HSV / HSBhsv(248.5, 62%, 80.4%)
CMYK53.2%, 62%, 0%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,311,629
CSS custom property--colour: #604ECD;

Brightness & contrast

Relative luminance0.12343WCAG 2.x, 0 is black and 1 is white
Perceived brightness105.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.05:1
Contrast with white6.05:1WCAG normal text: AA
Contrast with black3.47:1WCAG normal text: Fail
Greyscale equivalent#5B5B5B
Inverted#9FB132

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0066D1no red cones; affects about 1% of men; ΔE 24.1 from the original
Deuteranopia#005ECAno green cones; the most common form, about 1% of men; ΔE 21.5 from the original
Tritanopia#326D86no blue cones; rare, and affects men and women equally; ΔE 68.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.05:1WCAG large text: AAA
Contrast with black, large text3.47:1WCAG large text: AA

Named colours

Slate blue · ΔE 8.6Medium slateblue · ΔE 10.6Royal blue · ΔE 16.2Rebecca purple · ΔE 18.8Medium purple · ΔE 19.4Dark orchid · ΔE 24.3
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 8.55, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BBCD4E
Analogous#4E7BCD, #9F4ECD
Triadic#CD604E, #4ECD60
Split complementary#CDA04E, #7CCD4E
Tetradic#CD4E7C, #BBCD4E, #4ECDA0

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EFEDFA
Lighter +30%#CBC5EF
Lighter +20%#A79EE3
Lighter +10%#8476D8
Darker −10%#4533B5
Darker −20%#36288D
Darker −30%#271D65
Darker −40%#18113E
More saturated +25%#4C32E9
Less saturated −25%#746AB1

Channel breakdown

R96
G78
B205
Red96 (37.6%)
Green78 (30.6%)
Blue205 (80.4%)
Hue248.5°
Saturation (HSL)55.95%
Lightness55.49%
Dominant channelBlue
Hex per channelR 60 · G 4E · B CD

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Every value on this page was computed from “604ecd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.