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Recognised as Colour

#055CD3

  • #055CD3
  • Blue
  • Dark
  • Nearest: Royal blue

#055CD3 is a blue with RGB values 5, 92, 211 and HSL 215°, 95%, 42%. It is a dark colour, so white text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#055CD3#055CD3
HEX#055CD3
RGBrgb(5, 92, 211)
RGB (0–1)0.0196, 0.3608, 0.8275
RGB percentages2%, 36.1%, 82.7%
HSLhsl(214.7, 95.4%, 42.4%)
HSV / HSBhsv(214.7, 97.6%, 82.7%)
CMYK97.6%, 56.4%, 0%, 17.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer351,443
CSS custom property--colour: #055CD3;

Brightness & contrast

Relative luminance0.1239WCAG 2.x, 0 is black and 1 is white
Perceived brightness100.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.04:1
Contrast with white6.04:1WCAG normal text: AA
Contrast with black3.48:1WCAG normal text: Fail
Greyscale equivalent#525252
Inverted#FAA32C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#006CD7no red cones; affects about 1% of men; ΔE 11.4 from the original
Deuteranopia#005AD1no green cones; the most common form, about 1% of men; ΔE 0.8 from the original
Tritanopia#007A8Eno blue cones; rare, and affects men and women equally; ΔE 66.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.04:1WCAG large text: AAA
Contrast with black, large text3.48:1WCAG large text: AA

Named colours

Royal blue · ΔE 6.5Slate blue · ΔE 15.1Medium slateblue · ΔE 19.4Dodgerblue · ΔE 23.3Medium purple · ΔE 24.7Dark slateblue · ΔE 27.4
Nearest named CSS colourRoyal blue (#4169E1)ΔE 6.46, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D37C05
Analogous#05C3D3, #1505D3
Triadic#D3055C, #5CD305
Split complementary#D31505, #C3D305
Tetradic#D305C3, #D37C05, #05D315

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A7CBFD
Lighter +30%#75AEFC
Lighter +20%#4391FB
Lighter +10%#1273F9
Darker −10%#0446A1
Darker −20%#03316F
Darker −30%#011B3E
Darker −40%#00050C
More saturated +25%#005BD8
Less saturated −25%#2060B8

Channel breakdown

R5
G92
B211
Red5 (2%)
Green92 (36.1%)
Blue211 (82.7%)
Hue214.66°
Saturation (HSL)95.37%
Lightness42.35%
Dominant channelBlue
Hex per channelR 05 · G 5C · B D3

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Every value on this page was computed from “055cd3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.