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Recognised as Colour

#280BF5

  • #280BF5
  • Blue
  • Dark
  • Nearest: Blue

#280BF5 is a blue with RGB values 40, 11, 245 and HSL 247°, 92%, 50%. It is a dark colour, so white text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#280BF5#280BF5
HEX#280BF5
RGBrgb(40, 11, 245)
RGB (0–1)0.1569, 0.0431, 0.9608
RGB percentages15.7%, 4.3%, 96.1%
HSLhsl(247.4, 92.1%, 50.2%)
HSV / HSBhsv(247.4, 95.5%, 96.1%)
CMYK83.7%, 95.5%, 0%, 3.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,624,501
CSS custom property--colour: #280BF5;

Brightness & contrast

Relative luminance0.07283WCAG 2.x, 0 is black and 1 is white
Perceived brightness86 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.55:1
Contrast with white8.55:1WCAG normal text: AAA
Contrast with black2.46:1WCAG normal text: Fail
Greyscale equivalent#222222
Inverted#D7F40A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0057FBno red cones; affects about 1% of men; ΔE 37.7 from the original
Deuteranopia#0040F2no green cones; the most common form, about 1% of men; ΔE 25 from the original
Tritanopia#006790no blue cones; rare, and affects men and women equally; ΔE 112 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.55:1WCAG large text: AAA
Contrast with black, large text2.46:1WCAG large text: Fail

Named colours

Blue · ΔE 6.9Medium blue · ΔE 15.3Blue violet · ΔE 29.4Dark violet · ΔE 32.4Dark orchid · ΔE 44.5Dark blue · ΔE 45.3
Nearest named CSS colourBlue (#0000FF)ΔE 6.95, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D8F50B
Analogous#0B63F5, #9D0BF5
Triadic#F5280B, #0BF528
Split complementary#F59D0B, #63F50B
Tetradic#F50B63, #D8F50B, #0BF59D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D5CFFD
Lighter +30%#AA9EFB
Lighter +20%#7E6DF9
Lighter +10%#533CF7
Darker −10%#1F08C5
Darker −20%#180694
Darker −30%#100463
Darker −40%#080232
More saturated +25%#2001FF
Less saturated −25%#402BD5

Channel breakdown

R40
G11
B245
Red40 (15.7%)
Green11 (4.3%)
Blue245 (96.1%)
Hue247.44°
Saturation (HSL)92.13%
Lightness50.2%
Dominant channelBlue
Hex per channelR 28 · G 0B · B F5

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Every value on this page was computed from “280bf5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.