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Recognised as Colour

#2231FB

  • #2231FB
  • Blue
  • Dark
  • Nearest: Medium blue

#2231FB is a blue with RGB values 34, 49, 251 and HSL 236°, 96%, 56%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#2231FB#2231FB
HEX#2231FB
RGBrgb(34, 49, 251)
RGB (0–1)0.1333, 0.1922, 0.9843
RGB percentages13.3%, 19.2%, 98.4%
HSLhsl(235.9, 96.4%, 55.9%)
HSV / HSBhsv(235.9, 86.5%, 98.4%)
CMYK86.5%, 80.5%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,241,019
CSS custom property--colour: #2231FB;

Brightness & contrast

Relative luminance0.09502WCAG 2.x, 0 is black and 1 is white
Perceived brightness94.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.24:1
Contrast with white7.24:1WCAG normal text: AAA
Contrast with black2.9:1WCAG normal text: Fail
Greyscale equivalent#3C3C3C
Inverted#DDCE04

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0062FFno red cones; affects about 1% of men; ΔE 32.4 from the original
Deuteranopia#004BF8no green cones; the most common form, about 1% of men; ΔE 18.2 from the original
Tritanopia#007298no blue cones; rare, and affects men and women equally; ΔE 104.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.24:1WCAG large text: AAA
Contrast with black, large text2.9:1WCAG large text: Fail

Named colours

Medium blue · ΔE 13.7Blue · ΔE 17.9Blue violet · ΔE 24.2Dark violet · ΔE 29.8Dark orchid · ΔE 38.3Dark blue · ΔE 39.5
Nearest named CSS colourMedium blue (#0000CD)ΔE 13.71, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FBEC22
Analogous#229DFB, #8022FB
Triadic#FB2231, #31FB22
Split complementary#FB8022, #9EFB22
Tetradic#FB229D, #FBEC22, #22FB80

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EAECFF
Lighter +30%#B8BDFE
Lighter +20%#868EFD
Lighter +10%#5460FC
Darker −10%#0414E6
Darker −20%#030FB4
Darker −30%#020B82
Darker −40%#010750
More saturated +25%#1E2EFF
Less saturated −25%#3E49DF

Channel breakdown

R34
G49
B251
Red34 (13.3%)
Green49 (19.2%)
Blue251 (98.4%)
Hue235.85°
Saturation (HSL)96.44%
Lightness55.88%
Dominant channelBlue
Hex per channelR 22 · G 31 · B FB

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Every value on this page was computed from “2231fb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.