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Recognised as Colour

#2255EB

  • #2255EB
  • Blue
  • Dark
  • Nearest: Medium slateblue

#2255EB is a blue with RGB values 34, 85, 235 and HSL 225°, 83%, 53%. 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

#2255EB#2255EB
HEX#2255EB
RGBrgb(34, 85, 235)
RGB (0–1)0.1333, 0.3333, 0.9216
RGB percentages13.3%, 33.3%, 92.2%
HSLhsl(224.8, 83.4%, 52.7%)
HSV / HSBhsv(224.8, 85.5%, 92.2%)
CMYK85.5%, 63.8%, 0%, 7.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,250,219
CSS custom property--colour: #2255EB;

Brightness & contrast

Relative luminance0.12835WCAG 2.x, 0 is black and 1 is white
Perceived brightness104.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.89:1
Contrast with white5.89:1WCAG normal text: AA
Contrast with black3.57:1WCAG normal text: Fail
Greyscale equivalent#555555
Inverted#DDAA14

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#006EF0no red cones; affects about 1% of men; ΔE 18.1 from the original
Deuteranopia#005BE8no green cones; the most common form, about 1% of men; ΔE 6.8 from the original
Tritanopia#007D98no blue cones; rare, and affects men and women equally; ΔE 81.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.89:1WCAG large text: AAA
Contrast with black, large text3.57:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 17.3Royal blue · ΔE 20.3Slate blue · ΔE 22.3Blue violet · ΔE 30.6Dark blue · ΔE 31.7Dark orchid · ΔE 32.2
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 17.26, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EBB822
Analogous#22BAEB, #5322EB
Triadic#EB2255, #55EB22
Split complementary#EB5322, #BAEB22
Tetradic#EB22BA, #EBB822, #22EB53

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DDE5FC
Lighter +30%#AEC1F8
Lighter +20%#809DF3
Lighter +10%#5179EF
Darker −10%#1240C8
Darker −20%#0E3199
Darker −30%#0A226A
Darker −40%#05133C
More saturated +25%#0E4BFF
Less saturated −25%#4064CD

Channel breakdown

R34
G85
B235
Red34 (13.3%)
Green85 (33.3%)
Blue235 (92.2%)
Hue224.78°
Saturation (HSL)83.4%
Lightness52.75%
Dominant channelBlue
Hex per channelR 22 · G 55 · B EB

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Every value on this page was computed from “2255eb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.