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Recognised as Colour

#0147DA

  • #0147DA
  • Blue
  • Dark
  • Nearest: Medium slateblue

#0147DA is a blue with RGB values 1, 71, 218 and HSL 221°, 99%, 43%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Medium slateblue.

Colour values

#0147DA#0147DA
HEX#0147DA
RGBrgb(1, 71, 218)
RGB (0–1)0.0039, 0.2784, 0.8549
RGB percentages0.4%, 27.8%, 85.5%
HSLhsl(220.6, 99.1%, 42.9%)
HSV / HSBhsv(220.6, 99.5%, 85.5%)
CMYK99.5%, 67.4%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer83,930
CSS custom property--colour: #0147DA;

Brightness & contrast

Relative luminance0.09575WCAG 2.x, 0 is black and 1 is white
Perceived brightness91.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.2:1
Contrast with white7.2:1WCAG normal text: AAA
Contrast with black2.91:1WCAG normal text: Fail
Greyscale equivalent#434343
Inverted#FEB825

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0061DFno red cones; affects about 1% of men; ΔE 18.6 from the original
Deuteranopia#004ED7no green cones; the most common form, about 1% of men; ΔE 7.1 from the original
Tritanopia#00708Bno blue cones; rare, and affects men and women equally; ΔE 81 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.2:1WCAG large text: AAA
Contrast with black, large text2.91:1WCAG large text: Fail

Named colours

Medium slateblue · ΔE 20.3Royal blue · ΔE 22.8Slate blue · ΔE 23.3Dark blue · ΔE 26.3Navy · ΔE 28.7Blue violet · ΔE 29.6
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 20.28, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DA9401
Analogous#01B4DA, #2701DA
Triadic#DA0147, #47DA01
Split complementary#DA2701, #B4DA01
Tetradic#DA01B4, #DA9401, #01DA27

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A8C4FF
Lighter +30%#76A2FE
Lighter +20%#437FFE
Lighter +10%#105DFE
Darker −10%#0136A7
Darker −20%#012674
Darker −30%#001542
Darker −40%#00050F
More saturated +25%#0047DB
Less saturated −25%#1C51BF

Channel breakdown

R1
G71
B218
Red1 (0.4%)
Green71 (27.8%)
Blue218 (85.5%)
Hue220.65°
Saturation (HSL)99.09%
Lightness42.94%
Dominant channelBlue
Hex per channelR 01 · G 47 · B DA

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Every value on this page was computed from “0147da” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.