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Recognised as Colour

#013DA7

  • #013DA7
  • Blue
  • Dark
  • Nearest: Slate blue

#013DA7 is a blue with RGB values 1, 61, 167 and HSL 218°, 99%, 33%. It is a dark colour, so white text on it reaches 9.4:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#013DA7#013DA7
HEX#013DA7
RGBrgb(1, 61, 167)
RGB (0–1)0.0039, 0.2392, 0.6549
RGB percentages0.4%, 23.9%, 65.5%
HSLhsl(218.3, 98.8%, 32.9%)
HSV / HSBhsv(218.3, 99.4%, 65.5%)
CMYK99.4%, 63.5%, 0%, 34.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer81,319
CSS custom property--colour: #013DA7;

Brightness & contrast

Relative luminance0.06134WCAG 2.x, 0 is black and 1 is white
Perceived brightness73.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.43:1
Contrast with white9.43:1WCAG normal text: AAA
Contrast with black2.23:1WCAG normal text: Fail
Greyscale equivalent#383838
Inverted#FEC258

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004DAAno red cones; affects about 1% of men; ΔE 12.3 from the original
Deuteranopia#003FA5no green cones; the most common form, about 1% of men; ΔE 2.9 from the original
Tritanopia#00596Cno blue cones; rare, and affects men and women equally; ΔE 61.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.43:1WCAG large text: AAA
Contrast with black, large text2.23:1WCAG large text: Fail

Named colours

Slate blue · ΔE 18Midnight blue · ΔE 18.4Royal blue · ΔE 18.6Dark slateblue · ΔE 19.1Rebecca purple · ΔE 20.8Navy · ΔE 26.2
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 17.95, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A76B01
Analogous#0190A7, #1801A7
Triadic#A7013D, #3DA701
Split complementary#A71801, #90A701
Tetradic#A70190, #A76B01, #01A718

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#76A7FE
Lighter +30%#4387FE
Lighter +20%#1066FE
Lighter +10%#0150DA
Darker −10%#012A74
Darker −20%#001842
Darker −30%#00050F
Darker −40%#000000
More saturated +25%#003DA8
Less saturated −25%#164392

Channel breakdown

R1
G61
B167
Red1 (0.4%)
Green61 (23.9%)
Blue167 (65.5%)
Hue218.31°
Saturation (HSL)98.81%
Lightness32.94%
Dominant channelBlue
Hex per channelR 01 · G 3D · B A7

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Every value on this page was computed from “013da7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.