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Recognised as Colour

#575BE7

  • #575BE7
  • Blue
  • Dark
  • Nearest: Medium slateblue

#575BE7 is a blue with RGB values 87, 91, 231 and HSL 238°, 75%, 62%. It is a dark colour, so white text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#575BE7#575BE7
HEX#575BE7
RGBrgb(87, 91, 231)
RGB (0–1)0.3412, 0.3569, 0.9059
RGB percentages34.1%, 35.7%, 90.6%
HSLhsl(238.3, 75%, 62.4%)
HSV / HSBhsv(238.3, 62.3%, 90.6%)
CMYK62.3%, 60.6%, 0%, 9.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,725,159
CSS custom property--colour: #575BE7;

Brightness & contrast

Relative luminance0.15278WCAG 2.x, 0 is black and 1 is white
Perceived brightness114.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.18:1
Contrast with white5.18:1WCAG normal text: AA
Contrast with black4.06:1WCAG normal text: Fail
Greyscale equivalent#646464
Inverted#A8A418

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0073ECno red cones; affects about 1% of men; ΔE 21.2 from the original
Deuteranopia#0067E4no green cones; the most common form, about 1% of men; ΔE 16.1 from the original
Tritanopia#007E98no blue cones; rare, and affects men and women equally; ΔE 77.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.18:1WCAG large text: AAA
Contrast with black, large text4.06:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 8.8Slate blue · ΔE 14.4Royal blue · ΔE 15.3Medium purple · ΔE 23.5Dark orchid · ΔE 27.6Rebecca purple · ΔE 27.8
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 8.75, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E7E357
Analogous#57A3E7, #9B57E7
Triadic#E7575B, #5BE757
Split complementary#E79B57, #A3E757
Tetradic#E757A3, #E7E357, #57E79B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#DDDEFA
Lighter +20%#B0B2F4
Lighter +10%#8487ED
Darker −10%#2A2FE1
Darker −20%#1B1FBD
Darker −30%#151890
Darker −40%#0E1164
More saturated +25%#3F44FF
Less saturated −25%#6F72CF

Channel breakdown

R87
G91
B231
Red87 (34.1%)
Green91 (35.7%)
Blue231 (90.6%)
Hue238.33°
Saturation (HSL)75%
Lightness62.35%
Dominant channelBlue
Hex per channelR 57 · G 5B · B E7

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Every value on this page was computed from “575be7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.