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Colour

#2251FF

  • #2251FF
  • Blue
  • Dark
  • Nearest: Blue violet

#2251FF is a blue with RGB values 34, 81, 255 and HSL 227°, 100%, 57%. It is a dark colour, so white text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Blue violet.

Colour values

#2251FF#2251FF
HEX#2251FF
RGBrgb(34, 81, 255)
RGB (0–1)0.1333, 0.3176, 1
RGB percentages13.3%, 31.8%, 100%
HSLhsl(227.2, 100%, 56.7%)
HSV / HSBhsv(227.2, 86.7%, 100%)
CMYK86.7%, 68.2%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,249,215
CSS custom property--colour: #2251FF;

Brightness & contrast

Relative luminance0.13445WCAG 2.x, 0 is black and 1 is white
Perceived brightness107.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.69:1
Contrast with white5.69:1WCAG normal text: AA
Contrast with black3.69:1WCAG normal text: Fail
Greyscale equivalent#545454
Inverted#DDAE00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0071FFno red cones; affects about 1% of men; ΔE 25.2 from the original
Deuteranopia#005CFCno green cones; the most common form, about 1% of men; ΔE 10.1 from the original
Tritanopia#0082A2no blue cones; rare, and affects men and women equally; ΔE 93.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.69:1WCAG large text: AAA
Contrast with black, large text3.69:1WCAG large text: AA

Named colours

Blue violet · ΔE 25.3Medium blue · ΔE 25.8Medium slateblue · ΔE 26.8Dark orchid · ΔE 33.3Dark violet · ΔE 33.3Royal blue · ΔE 33.6
Nearest named CSS colourBlue violet (#8A2BE2)ΔE 25.3, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFD022
Analogous#22C0FF, #6122FF
Triadic#FF2251, #51FF22
Split complementary#FF6122, #C0FF22
Tetradic#FF22C0, #FFD022, #22FF61

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EEF2FF
Lighter +30%#BBC9FF
Lighter +20%#88A1FF
Lighter +10%#5579FF
Darker −10%#0033EE
Darker −20%#0028BB
Darker −30%#001D88
Darker −40%#001255
More saturated +25%#2251FF
Less saturated −25%#3E61E3

Channel breakdown

R34
G81
B255
Red34 (13.3%)
Green81 (31.8%)
Blue255 (100%)
Hue227.24°
Saturation (HSL)100%
Lightness56.67%
Dominant channelBlue
Hex per channelR 22 · G 51 · B FF

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Every value on this page was computed from “2251ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.