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Colour

#005AFF

  • #005AFF
  • Blue
  • Dark
  • Nearest: Medium slateblue

#005AFF is a blue with RGB values 0, 90, 255 and HSL 219°, 100%, 50%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#005AFF#005AFF
HEX#005AFF
RGBrgb(0, 90, 255)
RGB (0–1)0, 0.3529, 1
RGB percentages0%, 35.3%, 100%
HSLhsl(218.8, 100%, 50%)
HSV / HSBhsv(218.8, 100%, 100%)
CMYK100%, 64.7%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer23,295
CSS custom property--colour: #005AFF;

Brightness & contrast

Relative luminance0.14532WCAG 2.x, 0 is black and 1 is white
Perceived brightness110.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.38:1
Contrast with white5.38:1WCAG normal text: AA
Contrast with black3.91:1WCAG normal text: Fail
Greyscale equivalent#535353
Inverted#FFA500

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0076FFno red cones; affects about 1% of men; ΔE 22.3 from the original
Deuteranopia#0060FCno green cones; the most common form, about 1% of men; ΔE 6.2 from the original
Tritanopia#0087A5no blue cones; rare, and affects men and women equally; ΔE 88.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.38:1WCAG large text: AAA
Contrast with black, large text3.91:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 22.6Royal blue · ΔE 27.3Blue violet · ΔE 29.8Slate blue · ΔE 29.8Medium blue · ΔE 31.9Dark orchid · ΔE 34.9
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 22.64, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFA500
Analogous#00DAFF, #2500FF
Triadic#FF005A, #5AFF00
Split complementary#FF2500, #DAFF00
Tetradic#FF00DA, #FFA500, #00FF25

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CCDEFF
Lighter +30%#99BDFF
Lighter +20%#669CFF
Lighter +10%#337BFF
Darker −10%#0048CC
Darker −20%#003699
Darker −30%#002466
Darker −40%#001233
More saturated +25%#005AFF
Less saturated −25%#2063DF

Channel breakdown

R0
G90
B255
Red0 (0%)
Green90 (35.3%)
Blue255 (100%)
Hue218.82°
Saturation (HSL)100%
Lightness50%
Dominant channelBlue
Hex per channelR 00 · G 5A · B FF

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Every value on this page was computed from “005aff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.