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Colour

#2253FF

  • #2253FF
  • Blue
  • Dark
  • Nearest: Medium slateblue

#2253FF is a blue with RGB values 34, 83, 255 and HSL 227°, 100%, 57%. It is a dark colour, so white text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#2253FF#2253FF
HEX#2253FF
RGBrgb(34, 83, 255)
RGB (0–1)0.1333, 0.3255, 1
RGB percentages13.3%, 32.5%, 100%
HSLhsl(226.7, 100%, 56.7%)
HSV / HSBhsv(226.7, 86.7%, 100%)
CMYK86.7%, 67.5%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,249,727
CSS custom property--colour: #2253FF;

Brightness & contrast

Relative luminance0.13747WCAG 2.x, 0 is black and 1 is white
Perceived brightness108.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.6:1
Contrast with white5.6:1WCAG normal text: AA
Contrast with black3.75:1WCAG normal text: Fail
Greyscale equivalent#555555
Inverted#DDAC00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0072FFno red cones; affects about 1% of men; ΔE 24.6 from the original
Deuteranopia#005DFCno green cones; the most common form, about 1% of men; ΔE 9.4 from the original
Tritanopia#0083A3no blue cones; rare, and affects men and women equally; ΔE 91.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.6:1WCAG large text: AAA
Contrast with black, large text3.75:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 25.6Blue violet · ΔE 25.9Medium blue · ΔE 27.1Royal blue · ΔE 32.2Slate blue · ΔE 33.1Dark orchid · ΔE 33.3
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 25.63, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFCE22
Analogous#22C2FF, #5F22FF
Triadic#FF2253, #53FF22
Split complementary#FF6022, #C1FF22
Tetradic#FF22C2, #FFCE22, #22FF5F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EEF2FF
Lighter +30%#BBCAFF
Lighter +20%#88A2FF
Lighter +10%#557BFF
Darker −10%#0035EE
Darker −20%#0029BB
Darker −30%#001E88
Darker −40%#001355
More saturated +25%#2253FF
Less saturated −25%#3E62E3

Channel breakdown

R34
G83
B255
Red34 (13.3%)
Green83 (32.5%)
Blue255 (100%)
Hue226.7°
Saturation (HSL)100%
Lightness56.67%
Dominant channelBlue
Hex per channelR 22 · G 53 · B FF

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Every value on this page was computed from “2253ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.