Nerdulator> put something in

Recognised as Colour

#471CCB

  • #471CCB
  • Blue
  • Dark
  • Nearest: Medium blue

#471CCB is a blue with RGB values 71, 28, 203 and HSL 255°, 76%, 45%. It is a dark colour, so white text on it reaches 9.1:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#471CCB#471CCB
HEX#471CCB
RGBrgb(71, 28, 203)
RGB (0–1)0.2784, 0.1098, 0.7961
RGB percentages27.8%, 11%, 79.6%
HSLhsl(254.7, 75.8%, 45.3%)
HSV / HSBhsv(254.7, 86.2%, 79.6%)
CMYK65%, 86.2%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,660,427
CSS custom property--colour: #471CCB;

Brightness & contrast

Relative luminance0.06482WCAG 2.x, 0 is black and 1 is white
Perceived brightness81.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.14:1
Contrast with white9.14:1WCAG normal text: AAA
Contrast with black2.3:1WCAG normal text: Fail
Greyscale equivalent#323232
Inverted#B8E334

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004ED0no red cones; affects about 1% of men; ΔE 31.4 from the original
Deuteranopia#0042C8no green cones; the most common form, about 1% of men; ΔE 25.9 from the original
Tritanopia#005679no blue cones; rare, and affects men and women equally; ΔE 89.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.14:1WCAG large text: AAA
Contrast with black, large text2.3:1WCAG large text: Fail

Named colours

Medium blue · ΔE 13.1Blue violet · ΔE 15.3Dark violet · ΔE 20Dark blue · ΔE 23Dark orchid · ΔE 24.6Navy · ΔE 27.9
Nearest named CSS colourMedium blue (#0000CD)ΔE 13.14, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A0CB1C
Analogous#1C49CB, #9E1CCB
Triadic#CB471C, #1CCB47
Split complementary#CB9E1C, #49CB1C
Tetradic#CB1C49, #A0CB1C, #1CCB9E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CBBDF6
Lighter +30%#A890F0
Lighter +20%#8463EA
Lighter +10%#6137E3
Darker −10%#37169E
Darker −20%#281071
Darker −30%#180945
Darker −40%#080318
More saturated +25%#3900E7
Less saturated −25%#5639AE

Channel breakdown

R71
G28
B203
Red71 (27.8%)
Green28 (11%)
Blue203 (79.6%)
Hue254.74°
Saturation (HSL)75.76%
Lightness45.29%
Dominant channelBlue
Hex per channelR 47 · G 1C · B CB

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 “471ccb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.