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Recognised as Colour

#013B98

  • #013B98
  • Blue
  • Dark
  • Nearest: Dark slateblue

#013B98 is a blue with RGB values 1, 59, 152 and HSL 217°, 99%, 30%. It is a dark colour, so white text on it reaches 10.1:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#013B98#013B98
HEX#013B98
RGBrgb(1, 59, 152)
RGB (0–1)0.0039, 0.2314, 0.5961
RGB percentages0.4%, 23.1%, 59.6%
HSLhsl(217, 98.7%, 30%)
HSV / HSBhsv(217, 99.3%, 59.6%)
CMYK99.3%, 61.2%, 0%, 40.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer80,792
CSS custom property--colour: #013B98;

Brightness & contrast

Relative luminance0.05401WCAG 2.x, 0 is black and 1 is white
Perceived brightness68.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.09:1
Contrast with white10.09:1WCAG normal text: AAA
Contrast with black2.08:1WCAG normal text: Fail
Greyscale equivalent#353535
Inverted#FEC467

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00489Bno red cones; affects about 1% of men; ΔE 9.9 from the original
Deuteranopia#003B96no green cones; the most common form, about 1% of men; ΔE 1.3 from the original
Tritanopia#005363no blue cones; rare, and affects men and women equally; ΔE 55.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.09:1WCAG large text: AAA
Contrast with black, large text2.08:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 13.7Midnight blue · ΔE 15.8Slate blue · ΔE 22Rebecca purple · ΔE 22Royal blue · ΔE 22.7Indigo · ΔE 29.7
Nearest named CSS colourDark slateblue (#483D8B)ΔE 13.67, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#985E01
Analogous#018798, #120198
Triadic#98013B, #3B9801
Split complementary#981201, #879801
Tetradic#980187, #985E01, #019812

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#67A1FE
Lighter +30%#3482FE
Lighter +20%#0262FD
Lighter +10%#014FCB
Darker −10%#012765
Darker −20%#001433
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003B99
Less saturated −25%#143F85

Channel breakdown

R1
G59
B152
Red1 (0.4%)
Green59 (23.1%)
Blue152 (59.6%)
Hue216.95°
Saturation (HSL)98.69%
Lightness30%
Dominant channelBlue
Hex per channelR 01 · G 3B · B 98

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Every value on this page was computed from “013b98” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.