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Recognised as Colour

#0817EB

  • #0817EB
  • Blue
  • Dark
  • Nearest: Medium blue

#0817EB is a blue with RGB values 8, 23, 235 and HSL 236°, 93%, 48%. It is a dark colour, so white text on it reaches 9:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#0817EB#0817EB
HEX#0817EB
RGBrgb(8, 23, 235)
RGB (0–1)0.0314, 0.0902, 0.9216
RGB percentages3.1%, 9%, 92.2%
HSLhsl(236, 93.4%, 47.6%)
HSV / HSBhsv(236, 96.6%, 92.2%)
CMYK96.6%, 90.2%, 0%, 7.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer530,411
CSS custom property--colour: #0817EB;

Brightness & contrast

Relative luminance0.06663WCAG 2.x, 0 is black and 1 is white
Perceived brightness81.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9:1
Contrast with white9:1WCAG normal text: AAA
Contrast with black2.33:1WCAG normal text: Fail
Greyscale equivalent#232323
Inverted#F7E814

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0054F0no red cones; affects about 1% of men; ΔE 34.8 from the original
Deuteranopia#003CE8no green cones; the most common form, about 1% of men; ΔE 20.7 from the original
Tritanopia#00658Bno blue cones; rare, and affects men and women equally; ΔE 107.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9:1WCAG large text: AAA
Contrast with black, large text2.33:1WCAG large text: Fail

Named colours

Medium blue · ΔE 9.8Blue · ΔE 13.1Blue violet · ΔE 26.4Dark violet · ΔE 30.3Dark blue · ΔE 39.3Dark orchid · ΔE 40.8
Nearest named CSS colourMedium blue (#0000CD)ΔE 9.78, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EBDC08
Analogous#0888EB, #6B08EB
Triadic#EB0817, #17EB08
Split complementary#EB6A08, #89EB08
Tetradic#EB0888, #EBDC08, #08EB6B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C2C6FD
Lighter +30%#9198FB
Lighter +20%#5F6AFA
Lighter +10%#2E3BF8
Darker −10%#0612BA
Darker −20%#050D88
Darker −30%#030957
Darker −40%#010426
More saturated +25%#0010F3
Less saturated −25%#2631CD

Channel breakdown

R8
G23
B235
Red8 (3.1%)
Green23 (9%)
Blue235 (92.2%)
Hue236.04°
Saturation (HSL)93.42%
Lightness47.65%
Dominant channelBlue
Hex per channelR 08 · G 17 · B EB

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Every value on this page was computed from “0817eb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.