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Recognised as Colour

#2574FC

  • #2574FC
  • Blue
  • Dark
  • Nearest: Royal blue

#2574FC is a blue with RGB values 37, 116, 252 and HSL 218°, 97%, 57%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#2574FC#2574FC
HEX#2574FC
RGBrgb(37, 116, 252)
RGB (0–1)0.1451, 0.4549, 0.9882
RGB percentages14.5%, 45.5%, 98.8%
HSLhsl(218, 97.3%, 56.7%)
HSV / HSBhsv(218, 85.3%, 98.8%)
CMYK85.3%, 54%, 0%, 1.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,454,780
CSS custom property--colour: #2574FC;

Brightness & contrast

Relative luminance0.19912WCAG 2.x, 0 is black and 1 is white
Perceived brightness124.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.98:1
Contrast with white4.21:1WCAG normal text: Fail
Contrast with black4.98:1WCAG normal text: AA
Greyscale equivalent#6D6D6D
Inverted#DA8B03

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0085FFno red cones; affects about 1% of men; ΔE 12.9 from the original
Deuteranopia#0072F9no green cones; the most common form, about 1% of men; ΔE 1.8 from the original
Tritanopia#0096ADno blue cones; rare, and affects men and women equally; ΔE 73.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.21:1WCAG large text: AA
Contrast with black, large text4.98:1WCAG large text: AAA

Named colours

Royal blue · ΔE 9.6Medium slateblue · ΔE 16.9Slate blue · ΔE 19.9Dodgerblue · ΔE 21.2Medium purple · ΔE 26.3Cornflower blue · ΔE 31.9
Nearest named CSS colourRoyal blue (#4169E1)ΔE 9.64, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FCAD25
Analogous#25DFFC, #4125FC
Triadic#FC2574, #74FC25
Split complementary#FC4225, #E0FC25
Tetradic#FC25E0, #FCAD25, #25FC42

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EEF4FF
Lighter +30%#BCD4FE
Lighter +20%#8AB4FD
Lighter +10%#5794FD
Darker −10%#0358EB
Darker −20%#0345B8
Darker −30%#023286
Darker −40%#012054
More saturated +25%#2273FF
Less saturated −25%#417BE0

Channel breakdown

R37
G116
B252
Red37 (14.5%)
Green116 (45.5%)
Blue252 (98.8%)
Hue217.95°
Saturation (HSL)97.29%
Lightness56.67%
Dominant channelBlue
Hex per channelR 25 · G 74 · B FC

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Every value on this page was computed from “2574fc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.