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Recognised as Colour

#012371

  • #012371
  • Blue
  • Dark
  • Nearest: Midnight blue

#012371 is a blue with RGB values 1, 35, 113 and HSL 222°, 98%, 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

#012371#012371
HEX#012371
RGBrgb(1, 35, 113)
RGB (0–1)0.0039, 0.1373, 0.4431
RGB percentages0.4%, 13.7%, 44.3%
HSLhsl(221.8, 98.2%, 22.4%)
HSV / HSBhsv(221.8, 99.1%, 44.3%)
CMYK99.1%, 69%, 0%, 55.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer74,609
CSS custom property--colour: #012371;

Brightness & contrast

Relative luminance0.02401WCAG 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 14.19:1
Contrast with white14.19:1WCAG normal text: AAA
Contrast with black1.48:1WCAG normal text: Fail
Greyscale equivalent#212121
Inverted#FEDC8E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003073no red cones; affects about 1% of men; ΔE 10.9 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 text14.19:1WCAG large text: AAA
Contrast with black, large text1.48:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 8.5Dark slateblue · ΔE 14.7Rebecca purple · ΔE 24.7Indigo · ΔE 28.8Navy · ΔE 29.7Slate blue · ΔE 32.2
Nearest named CSS colourMidnight blue (#191970)ΔE 8.52, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#714F01
Analogous#015B71, #170171
Triadic#710123, #237101
Split complementary#711701, #5B7101
Tetradic#71015B, #714F01, #017117

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#417AFD
Lighter +30%#0E57FD
Lighter +20%#0242D6
Lighter +10%#0133A4
Darker −10%#01133E
Darker −20%#00040C
Darker −30%#000000
Darker −40%#000000
More saturated +25%#002372
Less saturated −25%#0F2963

Channel breakdown

R1
G35
B113
Red1 (0.4%)
Green35 (13.7%)
Blue113 (44.3%)
Hue221.79°
Saturation (HSL)98.25%
Lightness22.35%
Dominant channelBlue
Hex per channelR 01 · G 23 · B 71

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Every value on this page was computed from “hex 012371” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.