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Recognised as Colour

#2575F8

  • #2575F8
  • Blue
  • Dark
  • Nearest: Royal blue

#2575F8 is a blue with RGB values 37, 117, 248 and HSL 217°, 94%, 56%. 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

#2575F8#2575F8
HEX#2575F8
RGBrgb(37, 117, 248)
RGB (0–1)0.1451, 0.4588, 0.9725
RGB percentages14.5%, 45.9%, 97.3%
HSLhsl(217.3, 93.8%, 55.9%)
HSV / HSBhsv(217.3, 85.1%, 97.3%)
CMYK85.1%, 52.8%, 0%, 2.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,455,032
CSS custom property--colour: #2575F8;

Brightness & contrast

Relative luminance0.19893WCAG 2.x, 0 is black and 1 is white
Perceived brightness124.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.98:1
Contrast with white4.22:1WCAG normal text: Fail
Contrast with black4.98:1WCAG normal text: AA
Greyscale equivalent#6D6D6D
Inverted#DA8A07

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0085FDno red cones; affects about 1% of men; ΔE 11.2 from the original
Deuteranopia#0072F5no green cones; the most common form, about 1% of men; ΔE 1.8 from the original
Tritanopia#0095ABno blue cones; rare, and affects men and women equally; ΔE 71.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.22:1WCAG large text: AA
Contrast with black, large text4.98:1WCAG large text: AAA

Named colours

Royal blue · ΔE 7.9Medium slateblue · ΔE 17.9Dodgerblue · ΔE 18.5Slate blue · ΔE 19.4Medium purple · ΔE 25.3Cornflower blue · ΔE 29
Nearest named CSS colourRoyal blue (#4169E1)ΔE 7.9, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F8A825
Analogous#25DEF8, #3F25F8
Triadic#F82575, #75F825
Split complementary#F83F25, #DEF825
Tetradic#F825DE, #F8A825, #25F83F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EBF2FE
Lighter +30%#B9D3FD
Lighter +20%#88B4FB
Lighter +10%#5694FA
Darker −10%#075AE3
Darker −20%#0647B1
Darker −30%#043380
Darker −40%#031F4E
More saturated +25%#1E73FF
Less saturated −25%#417CDC

Channel breakdown

R37
G117
B248
Red37 (14.5%)
Green117 (45.9%)
Blue248 (97.3%)
Hue217.25°
Saturation (HSL)93.78%
Lightness55.88%
Dominant channelBlue
Hex per channelR 25 · G 75 · B F8

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Every value on this page was computed from “2575f8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.