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Recognised as Colour

#5D57CB

  • #5D57CB
  • Blue
  • Dark
  • Nearest: Slate blue

#5D57CB is a blue with RGB values 93, 87, 203 and HSL 243°, 53%, 57%. It is a dark colour, so white text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Slate blue.

Colour values

#5D57CB#5D57CB
HEX#5D57CB
RGBrgb(93, 87, 203)
RGB (0–1)0.3647, 0.3412, 0.7961
RGB percentages36.5%, 34.1%, 79.6%
HSLhsl(243.1, 52.7%, 56.9%)
HSV / HSBhsv(243.1, 57.1%, 79.6%)
CMYK54.2%, 57.1%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,117,323
CSS custom property--colour: #5D57CB;

Brightness & contrast

Relative luminance0.13455WCAG 2.x, 0 is black and 1 is white
Perceived brightness108.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.69:1
Contrast with white5.69:1WCAG normal text: AA
Contrast with black3.69:1WCAG normal text: Fail
Greyscale equivalent#616161
Inverted#A2A834

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#006BCFno red cones; affects about 1% of men; ΔE 21.5 from the original
Deuteranopia#0062C9no green cones; the most common form, about 1% of men; ΔE 17.9 from the original
Tritanopia#2A7288no blue cones; rare, and affects men and women equally; ΔE 64.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.69:1WCAG large text: AAA
Contrast with black, large text3.69:1WCAG large text: AA

Named colours

Slate blue · ΔE 3.1Royal blue · ΔE 10.9Medium slateblue · ΔE 12.2Medium purple · ΔE 15.2Rebecca purple · ΔE 18.4Dark slateblue · ΔE 23.3
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 3.09, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C5CB57
Analogous#578BCB, #9757CB
Triadic#CB5D57, #57CB5D
Split complementary#CB9757, #8BCB57
Tetradic#CB578B, #C5CB57, #57CB97

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F3F3FB
Lighter +30%#CECCEF
Lighter +20%#A8A5E3
Lighter +10%#837ED7
Darker −10%#3F38B7
Darker −20%#322C90
Darker −30%#242069
Darker −40%#171442
More saturated +25%#443CE6
Less saturated −25%#7673B0

Channel breakdown

R93
G87
B203
Red93 (36.5%)
Green87 (34.1%)
Blue203 (79.6%)
Hue243.1°
Saturation (HSL)52.73%
Lightness56.86%
Dominant channelBlue
Hex per channelR 5D · G 57 · B CB

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Every value on this page was computed from “5d57cb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.