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Recognised as Colour

#002371

  • #002371
  • Blue
  • Dark
  • Nearest: Midnight blue

#002371 is a blue with RGB values 0, 35, 113 and HSL 221°, 100%, 22%. It is a dark colour, so white text on it reaches 14.2:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#002371#002371
HEX#002371
RGBrgb(0, 35, 113)
RGB (0–1)0, 0.1373, 0.4431
RGB percentages0%, 13.7%, 44.3%
HSLhsl(221.4, 100%, 22.2%)
HSV / HSBhsv(221.4, 100%, 44.3%)
CMYK100%, 69%, 0%, 55.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,073
CSS custom property--colour: #002371;

Brightness & contrast

Relative luminance0.02394WCAG 2.x, 0 is black and 1 is white
Perceived brightness46.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.2:1
Contrast with white14.2:1WCAG normal text: AAA
Contrast with black1.48:1WCAG normal text: Fail
Greyscale equivalent#212121
Inverted#FFDC8E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003073no red cones; affects about 1% of men; ΔE 10.8 from the original
Deuteranopia#002670no green cones; the most common form, about 1% of men; ΔE 3.3 from the original
Tritanopia#003846no blue cones; rare, and affects men and women equally; ΔE 48.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text14.2:1WCAG large text: AAA
Contrast with black, large text1.48:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 8.6Dark slateblue · ΔE 14.7Rebecca purple · ΔE 24.8Indigo · ΔE 28.9Navy · ΔE 29.8Slate blue · ΔE 32.2
Nearest named CSS colourMidnight blue (#191970)ΔE 8.57, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#714E00
Analogous#005C71, #150071
Triadic#710023, #237100
Split complementary#711500, #5C7100
Tetradic#71005C, #714E00, #007115

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3E7AFF
Lighter +30%#0B57FF
Lighter +20%#0043D7
Lighter +10%#0033A4
Darker −10%#00133E
Darker −20%#00030B
Darker −30%#000000
Darker −40%#000000
More saturated +25%#002371
Less saturated −25%#0E2863

Channel breakdown

R0
G35
B113
Red0 (0%)
Green35 (13.7%)
Blue113 (44.3%)
Hue221.42°
Saturation (HSL)100%
Lightness22.16%
Dominant channelBlue
Hex per channelR 00 · G 23 · B 71

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Every value on this page was computed from “hex 002371” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.