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Recognised as Colour

#045BC0

  • #045BC0
  • Blue
  • Dark
  • Nearest: Royal blue

#045BC0 is a blue with RGB values 4, 91, 192 and HSL 212°, 96%, 38%. It is a dark colour, so white text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#045BC0#045BC0
HEX#045BC0
RGBrgb(4, 91, 192)
RGB (0–1)0.0157, 0.3569, 0.7529
RGB percentages1.6%, 35.7%, 75.3%
HSLhsl(212.2, 95.9%, 38.4%)
HSV / HSBhsv(212.2, 97.9%, 75.3%)
CMYK97.9%, 52.6%, 0%, 24.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer285,632
CSS custom property--colour: #045BC0;

Brightness & contrast

Relative luminance0.11314WCAG 2.x, 0 is black and 1 is white
Perceived brightness95.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.44:1
Contrast with white6.44:1WCAG normal text: AA
Contrast with black3.26:1WCAG normal text: Fail
Greyscale equivalent#505050
Inverted#FBA43F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0867C4no red cones; affects about 1% of men; ΔE 8.1 from the original
Deuteranopia#0057BEno green cones; the most common form, about 1% of men; ΔE 2.4 from the original
Tritanopia#007484no blue cones; rare, and affects men and women equally; ΔE 57.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.44:1WCAG large text: AAA
Contrast with black, large text3.26:1WCAG large text: AA

Named colours

Royal blue · ΔE 13.1Slate blue · ΔE 19Dark slateblue · ΔE 20.9Dodgerblue · ΔE 21.3Cornflower blue · ΔE 25.3Medium purple · ΔE 25.7
Nearest named CSS colourRoyal blue (#4169E1)ΔE 13.1, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C06904
Analogous#04B9C0, #0B04C0
Triadic#C0045B, #5BC004
Split complementary#C00B04, #B9C004
Tetradic#C004B9, #C06904, #04C00B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#93C4FD
Lighter +30%#61A9FC
Lighter +20%#2F8DFB
Lighter +10%#0573F2
Darker −10%#03438E
Darker −20%#022C5C
Darker −30%#01142A
Darker −40%#000000
More saturated +25%#005BC4
Less saturated −25%#1C5DA8

Channel breakdown

R4
G91
B192
Red4 (1.6%)
Green91 (35.7%)
Blue192 (75.3%)
Hue212.23°
Saturation (HSL)95.92%
Lightness38.43%
Dominant channelBlue
Hex per channelR 04 · G 5B · B C0

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Every value on this page was computed from “045bc0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.