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Recognised as Colour

#01498E

  • #01498E
  • Blue
  • Dark
  • Nearest: Dark slateblue

#01498E is a blue with RGB values 1, 73, 142 and HSL 209°, 99%, 28%. It is a dark colour, so white text on it reaches 9:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#01498E#01498E
HEX#01498E
RGBrgb(1, 73, 142)
RGB (0–1)0.0039, 0.2863, 0.5569
RGB percentages0.4%, 28.6%, 55.7%
HSLhsl(209.4, 98.6%, 28%)
HSV / HSBhsv(209.4, 99.3%, 55.7%)
CMYK99.3%, 48.6%, 0%, 44.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer84,366
CSS custom property--colour: #01498E;

Brightness & contrast

Relative luminance0.06725WCAG 2.x, 0 is black and 1 is white
Perceived brightness73.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.96:1
Contrast with white8.96:1WCAG normal text: AAA
Contrast with black2.34:1WCAG normal text: Fail
Greyscale equivalent#3F3F3F
Inverted#FEB671

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#205091no red cones; affects about 1% of men; ΔE 4.4 from the original
Deuteranopia#00448Dno green cones; the most common form, about 1% of men; ΔE 3.9 from the original
Tritanopia#005A64no blue cones; rare, and affects men and women equally; ΔE 42 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.96:1WCAG large text: AAA
Contrast with black, large text2.34:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 17.1Steel blue · ΔE 27.4Midnight blue · ΔE 28.1Cornflower blue · ΔE 31.3Royal blue · ΔE 32.4Slate blue · ΔE 33.7
Nearest named CSS colourDark slateblue (#483D8B)ΔE 17.13, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8E4601
Analogous#018E8C, #01038E
Triadic#8E0149, #498E01
Split complementary#8E0103, #8E8C01
Tetradic#8C018E, #8E4601, #038E01

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5DAFFE
Lighter +30%#2A96FE
Lighter +20%#027DF3
Lighter +10%#0163C1
Darker −10%#012F5B
Darker −20%#001529
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00498F
Less saturated −25%#13497C

Channel breakdown

R1
G73
B142
Red1 (0.4%)
Green73 (28.6%)
Blue142 (55.7%)
Hue209.36°
Saturation (HSL)98.6%
Lightness28.04%
Dominant channelBlue
Hex per channelR 01 · G 49 · B 8E

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Every value on this page was computed from “01498e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.