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Colour

#3570FB

  • #3570FB
  • Blue
  • Dark
  • Nearest: Royal blue

#3570FB is a blue with RGB values 53, 112, 251 and HSL 222°, 96%, 60%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#3570FB#3570FB
HEX#3570FB
RGBrgb(53, 112, 251)
RGB (0–1)0.2078, 0.4392, 0.9843
RGB percentages20.8%, 43.9%, 98.4%
HSLhsl(222.1, 96.1%, 59.6%)
HSV / HSBhsv(222.1, 78.9%, 98.4%)
CMYK78.9%, 55.4%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,502,331
CSS custom property--colour: #3570FB;

Brightness & contrast

Relative luminance0.1931WCAG 2.x, 0 is black and 1 is white
Perceived brightness124 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.86:1
Contrast with white4.32:1WCAG normal text: Fail
Contrast with black4.86:1WCAG normal text: AA
Greyscale equivalent#6D6D6D
Inverted#CA8F04

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0083FFno red cones; affects about 1% of men; ΔE 14.7 from the original
Deuteranopia#0071F8no green cones; the most common form, about 1% of men; ΔE 4.5 from the original
Tritanopia#0093ABno blue cones; rare, and affects men and women equally; ΔE 75.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.32:1WCAG large text: AA
Contrast with black, large text4.86:1WCAG large text: AAA

Named colours

Royal blue · ΔE 10.6Medium slateblue · ΔE 14.5Slate blue · ΔE 18.8Dodgerblue · ΔE 24.4Medium purple · ΔE 25.8Cornflower blue · ΔE 34.4
Nearest named CSS colourRoyal blue (#4169E1)ΔE 10.56, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FBC035
Analogous#35D3FB, #5D35FB
Triadic#FB3570, #70FB35
Split complementary#FB5D35, #D3FB35
Tetradic#FB35D3, #FBC035, #35FB5D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FDFEFF
Lighter +30%#CBDAFE
Lighter +20%#99B7FD
Lighter +10%#6793FC
Darker −10%#054DF8
Darker −20%#043EC6
Darker −30%#032E94
Darker −40%#021F62
More saturated +25%#316EFF
Less saturated −25%#4F7AE1

Channel breakdown

R53
G112
B251
Red53 (20.8%)
Green112 (43.9%)
Blue251 (98.4%)
Hue222.12°
Saturation (HSL)96.12%
Lightness59.61%
Dominant channelBlue
Hex per channelR 35 · G 70 · B FB

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Every value on this page was computed from “3570fb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.