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Recognised as Colour

#424FEE

  • #424FEE
  • Blue
  • Dark
  • Nearest: Medium slateblue

#424FEE is a blue with RGB values 66, 79, 238 and HSL 235°, 83%, 60%. It is a dark colour, so white text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#424FEE#424FEE
HEX#424FEE
RGBrgb(66, 79, 238)
RGB (0–1)0.2588, 0.3098, 0.9333
RGB percentages25.9%, 31%, 93.3%
HSLhsl(235.5, 83.5%, 59.6%)
HSV / HSBhsv(235.5, 72.3%, 93.3%)
CMYK72.3%, 66.8%, 0%, 6.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,345,838
CSS custom property--colour: #424FEE;

Brightness & contrast

Relative luminance0.12923WCAG 2.x, 0 is black and 1 is white
Perceived brightness106.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.86:1
Contrast with white5.86:1WCAG normal text: AA
Contrast with black3.58:1WCAG normal text: Fail
Greyscale equivalent#585858
Inverted#BDB011

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#006DF3no red cones; affects about 1% of men; ΔE 22.8 from the original
Deuteranopia#005DEBno green cones; the most common form, about 1% of men; ΔE 14.2 from the original
Tritanopia#007A98no blue cones; rare, and affects men and women equally; ΔE 86 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.86:1WCAG large text: AAA
Contrast with black, large text3.58:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 19.2Blue violet · ΔE 23.8Slate blue · ΔE 25.9Royal blue · ΔE 26.5Dark orchid · ΔE 27.8Medium blue · ΔE 28.8
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 19.24, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EEE142
Analogous#42A5EE, #8B42EE
Triadic#EE424F, #4FEE42
Split complementary#EE8B42, #A5EE42
Tetradic#EE42A5, #EEE142, #42EE8B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FDFDFF
Lighter +30%#CED2FB
Lighter +20%#A0A6F6
Lighter +10%#717BF2
Darker −10%#1525E8
Darker −20%#111DB9
Darker −30%#0C168B
Darker −40%#080F5C
More saturated +25%#3141FF
Less saturated −25%#5C65D4

Channel breakdown

R66
G79
B238
Red66 (25.9%)
Green79 (31%)
Blue238 (93.3%)
Hue235.47°
Saturation (HSL)83.5%
Lightness59.61%
Dominant channelBlue
Hex per channelR 42 · G 4F · B EE

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Every value on this page was computed from “424fee” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.