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Recognised as Colour

#005BB2

  • #005BB2
  • Blue
  • Dark
  • Nearest: Dark slateblue

#005BB2 is a blue with RGB values 0, 91, 178 and HSL 209°, 100%, 35%. It is a dark colour, so white text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#005BB2#005BB2
HEX#005BB2
RGBrgb(0, 91, 178)
RGB (0–1)0, 0.3569, 0.698
RGB percentages0%, 35.7%, 69.8%
HSLhsl(209.3, 100%, 34.9%)
HSV / HSBhsv(209.3, 100%, 69.8%)
CMYK100%, 48.9%, 0%, 30.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer23,474
CSS custom property--colour: #005BB2;

Brightness & contrast

Relative luminance0.10697WCAG 2.x, 0 is black and 1 is white
Perceived brightness92 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.69:1
Contrast with white6.69:1WCAG normal text: AA
Contrast with black3.14:1WCAG normal text: Fail
Greyscale equivalent#4E4E4E
Inverted#FFA44D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2564B5no red cones; affects about 1% of men; ΔE 5.7 from the original
Deuteranopia#0055B0no green cones; the most common form, about 1% of men; ΔE 4.1 from the original
Tritanopia#00707Eno blue cones; rare, and affects men and women equally; ΔE 50 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.69:1WCAG large text: AAA
Contrast with black, large text3.14:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 19.4Royal blue · ΔE 21.2Dodgerblue · ΔE 23.2Cornflower blue · ΔE 23.2Slate blue · ΔE 25.5Steel blue · ΔE 29.1
Nearest named CSS colourDark slateblue (#483D8B)ΔE 19.36, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B25700
Analogous#00B2B0, #0002B2
Triadic#B2005B, #5BB200
Split complementary#B20002, #B2B000
Tetradic#B000B2, #B25700, #02B200

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7FC0FF
Lighter +30%#4CA8FF
Lighter +20%#198FFF
Lighter +10%#0075E5
Darker −10%#00417F
Darker −20%#00274C
Darker −30%#000D19
Darker −40%#000000
More saturated +25%#005BB2
Less saturated −25%#165A9C

Channel breakdown

R0
G91
B178
Red0 (0%)
Green91 (35.7%)
Blue178 (69.8%)
Hue209.33°
Saturation (HSL)100%
Lightness34.9%
Dominant channelBlue
Hex per channelR 00 · G 5B · B B2

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Every value on this page was computed from “005bb2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.