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Colour

#554FD0

  • #554FD0
  • Blue
  • Dark
  • Nearest: Slate blue

#554FD0 is a blue with RGB values 85, 79, 208 and HSL 243°, 58%, 56%. 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

#554FD0#554FD0
HEX#554FD0
RGBrgb(85, 79, 208)
RGB (0–1)0.3333, 0.3098, 0.8157
RGB percentages33.3%, 31%, 81.6%
HSLhsl(242.8, 57.8%, 56.3%)
HSV / HSBhsv(242.8, 62%, 81.6%)
CMYK59.1%, 62%, 0%, 18.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,590,992
CSS custom property--colour: #554FD0;

Brightness & contrast

Relative luminance0.12077WCAG 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 6.15:1
Contrast with white6.15:1WCAG normal text: AA
Contrast with black3.42:1WCAG normal text: Fail
Greyscale equivalent#5A5A5A
Inverted#AAB02F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0067D4no red cones; affects about 1% of men; ΔE 22.3 from the original
Deuteranopia#005CCDno green cones; the most common form, about 1% of men; ΔE 17.4 from the original
Tritanopia#006F88no blue cones; rare, and affects men and women equally; ΔE 72.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.15:1WCAG large text: AAA
Contrast with black, large text3.42:1WCAG large text: AA

Named colours

Slate blue · ΔE 9.9Medium slateblue · ΔE 10.9Royal blue · ΔE 14.8Rebecca purple · ΔE 21Medium purple · ΔE 21.2Dark orchid · ΔE 26.3
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 9.86, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CAD04F
Analogous#4F89D0, #964FD0
Triadic#D0554F, #4FD055
Split complementary#D0954F, #8AD04F
Tetradic#D04F89, #CAD04F, #4FD096

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F1F0FB
Lighter +30%#CAC8F0
Lighter +20%#A3A0E5
Lighter +10%#7C77DB
Darker −10%#3832BA
Darker −20%#2C2792
Darker −30%#201C6A
Darker −40%#141142
More saturated +25%#3C33EC
Less saturated −25%#6E6BB4

Channel breakdown

R85
G79
B208
Red85 (33.3%)
Green79 (31%)
Blue208 (81.6%)
Hue242.79°
Saturation (HSL)57.85%
Lightness56.27%
Dominant channelBlue
Hex per channelR 55 · G 4F · B D0

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Every value on this page was computed from “554fd0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.