Nerdulator> put something in

Recognised as Colour

#2666FB

  • #2666FB
  • Blue
  • Dark
  • Nearest: Medium slateblue

#2666FB is a blue with RGB values 38, 102, 251 and HSL 222°, 96%, 57%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#2666FB#2666FB
HEX#2666FB
RGBrgb(38, 102, 251)
RGB (0–1)0.149, 0.4, 0.9843
RGB percentages14.9%, 40%, 98.4%
HSLhsl(222, 96.4%, 56.7%)
HSV / HSBhsv(222, 84.9%, 98.4%)
CMYK84.9%, 59.4%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,516,731
CSS custom property--colour: #2666FB;

Brightness & contrast

Relative luminance0.1688WCAG 2.x, 0 is black and 1 is white
Perceived brightness117.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.8:1
Contrast with white4.8:1WCAG normal text: AA
Contrast with black4.38:1WCAG normal text: Fail
Greyscale equivalent#636363
Inverted#D99904

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#007CFFno red cones; affects about 1% of men; ΔE 16.3 from the original
Deuteranopia#0069F8no green cones; the most common form, about 1% of men; ΔE 4.7 from the original
Tritanopia#008DA7no blue cones; rare, and affects men and women equally; ΔE 80.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.8:1WCAG large text: AAA
Contrast with black, large text4.38:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 15.8Royal blue · ΔE 16.7Slate blue · ΔE 21.9Medium purple · ΔE 30.2Dodgerblue · ΔE 31.9Blue violet · ΔE 35.6
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 15.8, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FBBB26
Analogous#26D0FB, #5126FB
Triadic#FB2666, #66FB26
Split complementary#FB5126, #D0FB26
Tetradic#FB26D0, #FBBB26, #26FB51

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EEF3FF
Lighter +30%#BCD0FE
Lighter +20%#8AADFD
Lighter +10%#5889FC
Darker −10%#0449EA
Darker −20%#033AB8
Darker −30%#022A86
Darker −40%#021A53
More saturated +25%#2264FF
Less saturated −25%#4271DF

Channel breakdown

R38
G102
B251
Red38 (14.9%)
Green102 (40%)
Blue251 (98.4%)
Hue221.97°
Saturation (HSL)96.38%
Lightness56.67%
Dominant channelBlue
Hex per channelR 26 · G 66 · 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 “2666fb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.