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Colour

#579CFE

  • #579CFE
  • Blue
  • Dark
  • Nearest: Cornflower blue

#579CFE is a blue with RGB values 87, 156, 254 and HSL 215°, 99%, 67%. It is a dark colour, so black text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#579CFE#579CFE
HEX#579CFE
RGBrgb(87, 156, 254)
RGB (0–1)0.3412, 0.6118, 0.9961
RGB percentages34.1%, 61.2%, 99.6%
HSLhsl(215.2, 98.8%, 66.9%)
HSV / HSBhsv(215.2, 65.7%, 99.6%)
CMYK65.7%, 38.6%, 0%, 0.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,741,822
CSS custom property--colour: #579CFE;

Brightness & contrast

Relative luminance0.32959WCAG 2.x, 0 is black and 1 is white
Perceived brightness154.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.59:1
Contrast with white2.77:1WCAG normal text: Fail
Contrast with black7.59:1WCAG normal text: AAA
Greyscale equivalent#949494
Inverted#A86301

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#70A4FFno red cones; affects about 1% of men; ΔE 5.8 from the original
Deuteranopia#5794FCno green cones; the most common form, about 1% of men; ΔE 5.3 from the original
Tritanopia#00B3C1no blue cones; rare, and affects men and women equally; ΔE 55.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.77:1WCAG large text: Fail
Contrast with black, large text7.59:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 6.3Dodgerblue · ΔE 9.6Royal blue · ΔE 26.1Steel blue · ΔE 28.7Medium purple · ΔE 30.1Deep skyblue · ΔE 30.3
Nearest named CSS colourCornflower blue (#6495ED)ΔE 6.32, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FEB957
Analogous#57F0FE, #6557FE
Triadic#FE579C, #9CFE57
Split complementary#FE6657, #F0FE57
Tetradic#FE57F0, #FEB957, #57FE66

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EFF6FF
Lighter +20%#BCD8FF
Lighter +10%#8ABAFE
Darker −10%#247EFE
Darker −20%#0163EE
Darker −30%#014EBB
Darker −40%#013988
More saturated +25%#569CFF
Less saturated −25%#6CA0E9

Channel breakdown

R87
G156
B254
Red87 (34.1%)
Green156 (61.2%)
Blue254 (99.6%)
Hue215.21°
Saturation (HSL)98.82%
Lightness66.86%
Dominant channelBlue
Hex per channelR 57 · G 9C · B FE

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Every value on this page was computed from “579cfe” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.