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Recognised as Colour

#301A85

  • #301A85
  • Blue
  • Dark
  • Nearest: Indigo

#301A85 is a blue with RGB values 48, 26, 133 and HSL 252°, 67%, 31%. It is a dark colour, so white text on it reaches 13:1 contrast (AAA for normal text). The nearest named colour is Indigo.

Colour values

#301A85#301A85
HEX#301A85
RGBrgb(48, 26, 133)
RGB (0–1)0.1882, 0.102, 0.5216
RGB percentages18.8%, 10.2%, 52.2%
HSLhsl(252.3, 67.3%, 31.2%)
HSV / HSBhsv(252.3, 80.5%, 52.2%)
CMYK63.9%, 80.5%, 0%, 47.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,152,517
CSS custom property--colour: #301A85;

Brightness & contrast

Relative luminance0.03061WCAG 2.x, 0 is black and 1 is white
Perceived brightness55.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.03:1
Contrast with white13.03:1WCAG normal text: AAA
Contrast with black1.61:1WCAG normal text: Fail
Greyscale equivalent#262626
Inverted#CFE57A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003488no red cones; affects about 1% of men; ΔE 20.6 from the original
Deuteranopia#002D83no green cones; the most common form, about 1% of men; ΔE 17.3 from the original
Tritanopia#003A4Fno blue cones; rare, and affects men and women equally; ΔE 62.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.03:1WCAG large text: AAA
Contrast with black, large text1.61:1WCAG large text: Fail

Named colours

Indigo · ΔE 11.2Midnight blue · ΔE 11.7Navy · ΔE 13.5Rebecca purple · ΔE 15.4Dark blue · ΔE 17.2Dark slateblue · ΔE 22.6
Nearest named CSS colourIndigo (#4B0082)ΔE 11.24, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6F851A
Analogous#1A3A85, #651A85
Triadic#85301A, #1A8530
Split complementary#85651A, #3A851A
Tetradic#851A3A, #6F851A, #1A8565

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9884E7
Lighter +30%#7559DF
Lighter +20%#512FD6
Lighter +10%#3F22B0
Darker −10%#21125A
Darker −20%#110930
Darker −30%#020105
Darker −40%#000000
More saturated +25%#240699
Less saturated −25%#3C2E71

Channel breakdown

R48
G26
B133
Red48 (18.8%)
Green26 (10.2%)
Blue133 (52.2%)
Hue252.34°
Saturation (HSL)67.3%
Lightness31.18%
Dominant channelBlue
Hex per channelR 30 · G 1A · B 85

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Every value on this page was computed from “301a85” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.