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Colour

#013EA8

  • #013EA8
  • Blue
  • Dark
  • Nearest: Slate blue

#013EA8 is a blue with RGB values 1, 62, 168 and HSL 218°, 99%, 33%. It is a dark colour, so white text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#013EA8#013EA8
HEX#013EA8
RGBrgb(1, 62, 168)
RGB (0–1)0.0039, 0.2431, 0.6588
RGB percentages0.4%, 24.3%, 65.9%
HSLhsl(218.1, 98.8%, 33.1%)
HSV / HSBhsv(218.1, 99.4%, 65.9%)
CMYK99.4%, 63.1%, 0%, 34.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer81,576
CSS custom property--colour: #013EA8;

Brightness & contrast

Relative luminance0.06279WCAG 2.x, 0 is black and 1 is white
Perceived brightness74 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.31:1
Contrast with white9.31:1WCAG normal text: AAA
Contrast with black2.26:1WCAG normal text: Fail
Greyscale equivalent#393939
Inverted#FEC157

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004EABno red cones; affects about 1% of men; ΔE 12.3 from the original
Deuteranopia#0040A6no green cones; the most common form, about 1% of men; ΔE 2.9 from the original
Tritanopia#005A6Dno blue cones; rare, and affects men and women equally; ΔE 61.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.31:1WCAG large text: AAA
Contrast with black, large text2.26:1WCAG large text: Fail

Named colours

Slate blue · ΔE 17.8Royal blue · ΔE 18.3Midnight blue · ΔE 18.8Dark slateblue · ΔE 19Rebecca purple · ΔE 20.9Medium slateblue · ΔE 26.3
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 17.78, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A86B01
Analogous#0191A8, #1801A8
Triadic#A8013E, #3EA801
Split complementary#A81801, #91A801
Tetradic#A80191, #A86B01, #01A818

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#77A8FE
Lighter +30%#4488FE
Lighter +20%#1168FE
Lighter +10%#0151DB
Darker −10%#012B75
Darker −20%#001943
Darker −30%#000610
Darker −40%#000000
More saturated +25%#003EA9
Less saturated −25%#164493

Channel breakdown

R1
G62
B168
Red1 (0.4%)
Green62 (24.3%)
Blue168 (65.9%)
Hue218.08°
Saturation (HSL)98.82%
Lightness33.14%
Dominant channelBlue
Hex per channelR 01 · G 3E · B A8

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Every value on this page was computed from “013ea8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.