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Recognised as Colour

#4123DD

  • #4123DD
  • Blue
  • Dark
  • Nearest: Medium blue

#4123DD is a blue with RGB values 65, 35, 221 and HSL 250°, 73%, 50%. It is a dark colour, so white text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#4123DD#4123DD
HEX#4123DD
RGBrgb(65, 35, 221)
RGB (0–1)0.2549, 0.1373, 0.8667
RGB percentages25.5%, 13.7%, 86.7%
HSLhsl(249.7, 73.2%, 50.2%)
HSV / HSBhsv(249.7, 84.2%, 86.7%)
CMYK70.6%, 84.2%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,269,021
CSS custom property--colour: #4123DD;

Brightness & contrast

Relative luminance0.07546WCAG 2.x, 0 is black and 1 is white
Perceived brightness86.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.37:1
Contrast with white8.37:1WCAG normal text: AAA
Contrast with black2.51:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#BEDC22

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0055E2no red cones; affects about 1% of men; ΔE 31.7 from the original
Deuteranopia#0046DAno green cones; the most common form, about 1% of men; ΔE 23.9 from the original
Tritanopia#006084no blue cones; rare, and affects men and women equally; ΔE 95.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.37:1WCAG large text: AAA
Contrast with black, large text2.51:1WCAG large text: Fail

Named colours

Medium blue · ΔE 9.7Blue violet · ΔE 16.7Dark violet · ΔE 22Blue · ΔE 25.7Dark orchid · ΔE 29.1Dark blue · ΔE 29.3
Nearest named CSS colourMedium blue (#0000CD)ΔE 9.69, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BFDD23
Analogous#2362DD, #9E23DD
Triadic#DD4123, #23DD41
Split complementary#DD9E23, #62DD23
Tetradic#DD2362, #BFDD23, #23DD9E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DAD4F8
Lighter +30%#B3A8F1
Lighter +20%#8D7BEB
Lighter +10%#674FE4
Darker −10%#341BB2
Darker −20%#271585
Darker −30%#1A0E59
Darker −40%#0D072D
More saturated +25%#2B03FD
Less saturated −25%#5743BD

Channel breakdown

R65
G35
B221
Red65 (25.5%)
Green35 (13.7%)
Blue221 (86.7%)
Hue249.68°
Saturation (HSL)73.23%
Lightness50.2%
Dominant channelBlue
Hex per channelR 41 · G 23 · B DD

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Every value on this page was computed from “4123dd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.