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Colour

#2B5EFF

  • #2B5EFF
  • Blue
  • Dark
  • Nearest: Medium slateblue

#2B5EFF is a blue with RGB values 43, 94, 255 and HSL 226°, 100%, 58%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#2B5EFF#2B5EFF
HEX#2B5EFF
RGBrgb(43, 94, 255)
RGB (0–1)0.1686, 0.3686, 1
RGB percentages16.9%, 36.9%, 100%
HSLhsl(225.6, 100%, 58.4%)
HSV / HSBhsv(225.6, 83.1%, 100%)
CMYK83.1%, 63.1%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,842,367
CSS custom property--colour: #2B5EFF;

Brightness & contrast

Relative luminance0.15739WCAG 2.x, 0 is black and 1 is white
Perceived brightness114.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.06:1
Contrast with white5.06:1WCAG normal text: AA
Contrast with black4.15:1WCAG normal text: Fail
Greyscale equivalent#5F5F5F
Inverted#D4A100

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0079FFno red cones; affects about 1% of men; ΔE 22.1 from the original
Deuteranopia#0065FCno green cones; the most common form, about 1% of men; ΔE 7.7 from the original
Tritanopia#0089A6no blue cones; rare, and affects men and women equally; ΔE 86.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.06:1WCAG large text: AAA
Contrast with black, large text4.15:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 19.5Royal blue · ΔE 24.4Slate blue · ΔE 27Blue violet · ΔE 29.9Dark orchid · ΔE 33.6Medium blue · ΔE 34.2
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 19.5, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFCC2B
Analogous#2BC8FF, #622BFF
Triadic#FF2B5E, #5EFF2B
Split complementary#FF622B, #C8FF2B
Tetradic#FF2BC8, #FFCC2B, #2BFF62

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F7F9FF
Lighter +30%#C4D2FF
Lighter +20%#91ABFF
Lighter +10%#5E85FF
Darker −10%#003BF7
Darker −20%#002FC4
Darker −30%#002391
Darker −40%#00175E
More saturated +25%#2B5EFF
Less saturated −25%#466CE5

Channel breakdown

R43
G94
B255
Red43 (16.9%)
Green94 (36.9%)
Blue255 (100%)
Hue225.57°
Saturation (HSL)100%
Lightness58.43%
Dominant channelBlue
Hex per channelR 2B · G 5E · B FF

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Every value on this page was computed from “2b5eff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.