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Recognised as Colour

#01479E

  • #01479E
  • Blue
  • Dark
  • Nearest: Dark slateblue

#01479E is a blue with RGB values 1, 71, 158 and HSL 213°, 99%, 31%. It is a dark colour, so white text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#01479E#01479E
HEX#01479E
RGBrgb(1, 71, 158)
RGB (0–1)0.0039, 0.2784, 0.6196
RGB percentages0.4%, 27.8%, 62%
HSLhsl(213.2, 98.7%, 31.2%)
HSV / HSBhsv(213.2, 99.4%, 62%)
CMYK99.4%, 55.1%, 0%, 38%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer83,870
CSS custom property--colour: #01479E;

Brightness & contrast

Relative luminance0.06982WCAG 2.x, 0 is black and 1 is white
Perceived brightness76.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.76:1
Contrast with white8.76:1WCAG normal text: AAA
Contrast with black2.4:1WCAG normal text: Fail
Greyscale equivalent#3E3E3E
Inverted#FEB861

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0052A1no red cones; affects about 1% of men; ΔE 8.1 from the original
Deuteranopia#00459Cno green cones; the most common form, about 1% of men; ΔE 0.9 from the original
Tritanopia#005D6Bno blue cones; rare, and affects men and women equally; ΔE 51.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.76:1WCAG large text: AAA
Contrast with black, large text2.4:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 13.6Midnight blue · ΔE 21.7Royal blue · ΔE 22.6Slate blue · ΔE 23.9Rebecca purple · ΔE 26.3Medium purple · ΔE 30.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 13.6, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9E5801
Analogous#01959E, #0A019E
Triadic#9E0147, #479E01
Split complementary#9E0A01, #959E01
Tetradic#9E0195, #9E5801, #019E0A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6DAEFE
Lighter +30%#3A91FE
Lighter +20%#0875FD
Lighter +10%#015ED1
Darker −10%#01306B
Darker −20%#001939
Darker −30%#000306
Darker −40%#000000
More saturated +25%#00479F
Less saturated −25%#15498A

Channel breakdown

R1
G71
B158
Red1 (0.4%)
Green71 (27.8%)
Blue158 (62%)
Hue213.25°
Saturation (HSL)98.74%
Lightness31.18%
Dominant channelBlue
Hex per channelR 01 · G 47 · B 9E

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Every value on this page was computed from “01479e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.