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Recognised as Colour

#0F57FD

  • #0F57FD
  • Blue
  • Dark
  • Nearest: Medium slateblue

#0F57FD is a blue with RGB values 15, 87, 253 and HSL 222°, 98%, 53%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#0F57FD#0F57FD
HEX#0F57FD
RGBrgb(15, 87, 253)
RGB (0–1)0.0588, 0.3412, 0.9922
RGB percentages5.9%, 34.1%, 99.2%
HSLhsl(221.8, 98.3%, 52.5%)
HSV / HSBhsv(221.8, 94.1%, 99.2%)
CMYK94.1%, 65.6%, 0%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,005,565
CSS custom property--colour: #0F57FD;

Brightness & contrast

Relative luminance0.1401WCAG 2.x, 0 is black and 1 is white
Perceived brightness108.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.52:1
Contrast with white5.52:1WCAG normal text: AA
Contrast with black3.8:1WCAG normal text: Fail
Greyscale equivalent#545454
Inverted#F0A802

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0073FFno red cones; affects about 1% of men; ΔE 21.3 from the original
Deuteranopia#005EFAno green cones; the most common form, about 1% of men; ΔE 7 from the original
Tritanopia#0085A3no blue cones; rare, and affects men and women equally; ΔE 89.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.52:1WCAG large text: AAA
Contrast with black, large text3.8:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 23.1Royal blue · ΔE 28.3Blue violet · ΔE 28.5Slate blue · ΔE 30.3Medium blue · ΔE 30.4Dark orchid · ΔE 34
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 23.12, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FDB50F
Analogous#0FCEFD, #3E0FFD
Triadic#FD0F57, #57FD0F
Split complementary#FD3E0F, #CEFD0F
Tetradic#FD0FCE, #FDB50F, #0FFD3E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D9E5FF
Lighter +30%#A7C1FE
Lighter +20%#749EFE
Lighter +10%#427AFD
Darker −10%#0242D7
Darker −20%#0133A5
Darker −30%#012372
Darker −40%#01143F
More saturated +25%#0D56FF
Less saturated −25%#2D63DF

Channel breakdown

R15
G87
B253
Red15 (5.9%)
Green87 (34.1%)
Blue253 (99.2%)
Hue221.85°
Saturation (HSL)98.35%
Lightness52.55%
Dominant channelBlue
Hex per channelR 0F · G 57 · B FD

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Every value on this page was computed from “0f57fd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.