Nerdulator> put something in

Colour

#2143DD

  • #2143DD
  • Blue
  • Dark
  • Nearest: Medium slateblue

#2143DD is a blue with RGB values 33, 67, 221 and HSL 229°, 74%, 50%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Medium slateblue.

Colour values

#2143DD#2143DD
HEX#2143DD
RGBrgb(33, 67, 221)
RGB (0–1)0.1294, 0.2627, 0.8667
RGB percentages12.9%, 26.3%, 86.7%
HSLhsl(229.1, 74%, 49.8%)
HSV / HSBhsv(229.1, 85.1%, 86.7%)
CMYK85.1%, 69.7%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,180,061
CSS custom property--colour: #2143DD;

Brightness & contrast

Relative luminance0.09558WCAG 2.x, 0 is black and 1 is white
Perceived brightness92.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.21:1
Contrast with white7.21:1WCAG normal text: AAA
Contrast with black2.91:1WCAG normal text: Fail
Greyscale equivalent#474747
Inverted#DEBC22

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0060E2no red cones; affects about 1% of men; ΔE 20.9 from the original
Deuteranopia#004EDAno green cones; the most common form, about 1% of men; ΔE 10.3 from the original
Tritanopia#006F8Bno blue cones; rare, and affects men and women equally; ΔE 84.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.21:1WCAG large text: AAA
Contrast with black, large text2.91:1WCAG large text: Fail

Named colours

Medium slateblue · ΔE 22Blue violet · ΔE 25.5Dark blue · ΔE 25.8Slate blue · ΔE 26.2Medium blue · ΔE 27Royal blue · ΔE 27
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 21.99, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DDBB21
Analogous#21A1DD, #5D21DD
Triadic#DD2143, #43DD21
Split complementary#DD5D21, #A1DD21
Tetradic#DD21A1, #DDBB21, #21DD5D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D2D9F8
Lighter +30%#A5B3F2
Lighter +20%#798EEB
Lighter +10%#4D68E4
Darker −10%#1A36B1
Darker −20%#142884
Darker −30%#0D1B58
Darker −40%#060D2C
More saturated +25%#012FFD
Less saturated −25%#4157BD

Channel breakdown

R33
G67
B221
Red33 (12.9%)
Green67 (26.3%)
Blue221 (86.7%)
Hue229.15°
Saturation (HSL)74.02%
Lightness49.8%
Dominant channelBlue
Hex per channelR 21 · G 43 · B DD

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “2143dd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.