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Recognised as Colour

#1129DD

  • #1129DD
  • Blue
  • Dark
  • Nearest: Medium blue

#1129DD is a blue with RGB values 17, 41, 221 and HSL 233°, 86%, 47%. It is a dark colour, so white text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#1129DD#1129DD
HEX#1129DD
RGBrgb(17, 41, 221)
RGB (0–1)0.0667, 0.1608, 0.8667
RGB percentages6.7%, 16.1%, 86.7%
HSLhsl(232.9, 85.7%, 46.7%)
HSV / HSBhsv(232.9, 92.3%, 86.7%)
CMYK92.3%, 81.4%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,124,829
CSS custom property--colour: #1129DD;

Brightness & contrast

Relative luminance0.06926WCAG 2.x, 0 is black and 1 is white
Perceived brightness81.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.8:1
Contrast with white8.8:1WCAG normal text: AAA
Contrast with black2.39:1WCAG normal text: Fail
Greyscale equivalent#313131
Inverted#EED622

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0055E2no red cones; affects about 1% of men; ΔE 29 from the original
Deuteranopia#0040DAno green cones; the most common form, about 1% of men; ΔE 16.5 from the original
Tritanopia#006485no blue cones; rare, and affects men and women equally; ΔE 96.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.8:1WCAG large text: AAA
Contrast with black, large text2.39:1WCAG large text: Fail

Named colours

Medium blue · ΔE 10.6Blue violet · ΔE 21.1Dark violet · ΔE 27Blue · ΔE 27.1Dark blue · ΔE 28.3Dark orchid · ΔE 32.4
Nearest named CSS colourMedium blue (#0000CD)ΔE 10.56, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DDC511
Analogous#118FDD, #5F11DD
Triadic#DD1129, #29DD11
Split complementary#DD5F11, #8FDD11
Tetradic#DD118F, #DDC511, #11DD5F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C0C7FA
Lighter +30%#909CF7
Lighter +20%#6172F3
Lighter +10%#3248EF
Darker −10%#0D20AE
Darker −20%#0A177E
Darker −30%#060F4F
Darker −40%#020620
More saturated +25%#001CEE
Less saturated −25%#2F40BF

Channel breakdown

R17
G41
B221
Red17 (6.7%)
Green41 (16.1%)
Blue221 (86.7%)
Hue232.94°
Saturation (HSL)85.71%
Lightness46.67%
Dominant channelBlue
Hex per channelR 11 · G 29 · B DD

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Every value on this page was computed from “1129dd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.