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Recognised as Colour

#045BFC

  • #045BFC
  • Blue
  • Dark
  • Nearest: Medium slateblue

#045BFC is a blue with RGB values 4, 91, 252 and HSL 219°, 98%, 50%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#045BFC#045BFC
HEX#045BFC
RGBrgb(4, 91, 252)
RGB (0–1)0.0157, 0.3569, 0.9882
RGB percentages1.6%, 35.7%, 98.8%
HSLhsl(219, 97.6%, 50.2%)
HSV / HSBhsv(219, 98.4%, 98.8%)
CMYK98.4%, 63.9%, 0%, 1.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer285,692
CSS custom property--colour: #045BFC;

Brightness & contrast

Relative luminance0.14536WCAG 2.x, 0 is black and 1 is white
Perceived brightness110 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.37:1
Contrast with white5.37:1WCAG normal text: AA
Contrast with black3.91:1WCAG normal text: Fail
Greyscale equivalent#545454
Inverted#FBA403

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0075FFno red cones; affects about 1% of men; ΔE 19.3 from the original
Deuteranopia#0060F9no green cones; the most common form, about 1% of men; ΔE 5.5 from the original
Tritanopia#0087A3no blue cones; rare, and affects men and women equally; ΔE 87.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.37:1WCAG large text: AAA
Contrast with black, large text3.91:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 21Royal blue · ΔE 24.9Slate blue · ΔE 27.8Blue violet · ΔE 30.7Medium blue · ΔE 33.5Dark orchid · ΔE 34.8
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 20.99, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FCA504
Analogous#04D7FC, #2904FC
Triadic#FC045B, #5BFC04
Split complementary#FC2904, #D7FC04
Tetradic#FC04D7, #FCA504, #04FC29

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CEDFFE
Lighter +30%#9BBEFE
Lighter +20%#699DFD
Lighter +10%#367CFD
Darker −10%#0249CB
Darker −20%#023798
Darker −30%#012466
Darker −40%#011233
More saturated +25%#015AFF
Less saturated −25%#2464DC

Channel breakdown

R4
G91
B252
Red4 (1.6%)
Green91 (35.7%)
Blue252 (98.8%)
Hue218.95°
Saturation (HSL)97.64%
Lightness50.2%
Dominant channelBlue
Hex per channelR 04 · G 5B · B FC

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