Nerdulator> put something in

Recognised as Colour

#2B68FB

  • #2B68FB
  • Blue
  • Dark
  • Nearest: Medium slateblue

#2B68FB is a blue with RGB values 43, 104, 251 and HSL 222°, 96%, 58%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#2B68FB#2B68FB
HEX#2B68FB
RGBrgb(43, 104, 251)
RGB (0–1)0.1686, 0.4078, 0.9843
RGB percentages16.9%, 40.8%, 98.4%
HSLhsl(222.4, 96.3%, 57.6%)
HSV / HSBhsv(222.4, 82.9%, 98.4%)
CMYK82.9%, 58.6%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,844,923
CSS custom property--colour: #2B68FB;

Brightness & contrast

Relative luminance0.17379WCAG 2.x, 0 is black and 1 is white
Perceived brightness118.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.69:1
Contrast with white4.69:1WCAG normal text: AA
Contrast with black4.48:1WCAG normal text: Fail
Greyscale equivalent#666666
Inverted#D49704

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#007EFFno red cones; affects about 1% of men; ΔE 16.5 from the original
Deuteranopia#006BF8no green cones; the most common form, about 1% of men; ΔE 5 from the original
Tritanopia#008EA7no blue cones; rare, and affects men and women equally; ΔE 80.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.69:1WCAG large text: AAA
Contrast with black, large text4.48:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 15.1Royal blue · ΔE 15.4Slate blue · ΔE 21Medium purple · ΔE 29.1Dodgerblue · ΔE 30.4Rebecca purple · ΔE 36.1
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 15.13, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FBBE2B
Analogous#2BD0FB, #562BFB
Triadic#FB2B68, #68FB2B
Split complementary#FB562B, #D0FB2B
Tetradic#FB2BD0, #FBBE2B, #2BFB56

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F3F7FF
Lighter +30%#C1D3FE
Lighter +20%#8FAFFD
Lighter +10%#5D8CFC
Darker −10%#0549EE
Darker −20%#043ABC
Darker −30%#032A8A
Darker −40%#021B58
More saturated +25%#2766FF
Less saturated −25%#4673E0

Channel breakdown

R43
G104
B251
Red43 (16.9%)
Green104 (40.8%)
Blue251 (98.4%)
Hue222.4°
Saturation (HSL)96.3%
Lightness57.65%
Dominant channelBlue
Hex per channelR 2B · G 68 · B FB

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “2b68fb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.