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Recognised as Colour

#4285FF

  • #4285FF
  • Blue
  • Dark
  • Nearest: Dodgerblue

#4285FF is a blue with RGB values 66, 133, 255 and HSL 219°, 100%, 63%. It is a dark colour, so black text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#4285FF#4285FF
HEX#4285FF
RGBrgb(66, 133, 255)
RGB (0–1)0.2588, 0.5216, 1
RGB percentages25.9%, 52.2%, 100%
HSLhsl(218.7, 100%, 62.9%)
HSV / HSBhsv(218.7, 74.1%, 100%)
CMYK74.1%, 47.8%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,359,679
CSS custom property--colour: #4285FF;

Brightness & contrast

Relative luminance0.25153WCAG 2.x, 0 is black and 1 is white
Perceived brightness138.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.03:1
Contrast with white3.48:1WCAG normal text: Fail
Contrast with black6.03:1WCAG normal text: AA
Greyscale equivalent#808080
Inverted#BD7A00

Colour vision & accessibility

Protanopia#3F93FFno red cones; affects about 1% of men; ΔE 11.2 from the original
Deuteranopia#0081FDno green cones; the most common form, about 1% of men; ΔE 4.3 from the original
Tritanopia#00A2B6no blue cones; rare, and affects men and women equally; ΔE 66.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.48:1WCAG large text: AA
Contrast with black, large text6.03:1WCAG large text: AAA

Named colours

Nearest named CSS colourDodgerblue (#1E90FF)ΔE 10.59, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#FFBC42
Analogous#42E3FF, #5E42FF
Triadic#FF4285, #85FF42
Split complementary#FF5E42, #E3FF42
Tetradic#FF42E3, #FFBC42, #42FF5E

Tints, shades & saturation

Lighter +40%#FFFFFF
Lighter +30%#DBE8FF
Lighter +20%#A8C7FF
Lighter +10%#75A6FF
Darker −10%#0F64FF
Darker −20%#004EDB
Darker −30%#003CA8
Darker −40%#002975
More saturated +25%#4285FF
Less saturated −25%#5A8CE7

Channel breakdown

R66
G133
B255
Red66 (25.9%)
Green133 (52.2%)
Blue255 (100%)
Hue218.73°
Saturation (HSL)100%
Lightness62.94%
Dominant channelBlue
Hex per channelR 42 · G 85 · B FF

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Every value on this page was computed from “4285ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.