Nerdulator> put something in

Recognised as Colour

#003671

  • #003671
  • Blue
  • Dark
  • Nearest: Dark slateblue

#003671 is a blue with RGB values 0, 54, 113 and HSL 211°, 100%, 22%. It is a dark colour, so white text on it reaches 11.9:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#003671#003671
HEX#003671
RGBrgb(0, 54, 113)
RGB (0–1)0, 0.2118, 0.4431
RGB percentages0%, 21.2%, 44.3%
HSLhsl(211.3, 100%, 22.2%)
HSV / HSBhsv(211.3, 100%, 44.3%)
CMYK100%, 52.2%, 0%, 55.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,937
CSS custom property--colour: #003671;

Brightness & contrast

Relative luminance0.03831WCAG 2.x, 0 is black and 1 is white
Perceived brightness56.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.89:1
Contrast with white11.89:1WCAG normal text: AAA
Contrast with black1.77:1WCAG normal text: Fail
Greyscale equivalent#2F2F2F
Inverted#FFC98E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#103C73no red cones; affects about 1% of men; ΔE 4.1 from the original
Deuteranopia#003370no green cones; the most common form, about 1% of men; ΔE 2.3 from the original
Tritanopia#00454Eno blue cones; rare, and affects men and women equally; ΔE 37.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.89:1WCAG large text: AAA
Contrast with black, large text1.77:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 18.5Midnight blue · ΔE 25.8Steel blue · ΔE 33Rebecca purple · ΔE 35.8Slate blue · ΔE 39.6Royal blue · ΔE 40.1
Nearest named CSS colourDark slateblue (#483D8B)ΔE 18.54, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#713B00
Analogous#006E71, #030071
Triadic#710036, #367100
Split complementary#710300, #6E7100
Tetradic#71006E, #713B00, #007103

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3E9AFF
Lighter +30%#0B80FF
Lighter +20%#0067D7
Lighter +10%#004EA4
Darker −10%#001E3E
Darker −20%#00050B
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003671
Less saturated −25%#0E3763

Channel breakdown

R0
G54
B113
Red0 (0%)
Green54 (21.2%)
Blue113 (44.3%)
Hue211.33°
Saturation (HSL)100%
Lightness22.16%
Dominant channelBlue
Hex per channelR 00 · G 36 · B 71

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 “hex 003671” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.