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Colour

#5164CB

  • #5164CB
  • Blue
  • Dark
  • Nearest: Royal blue

#5164CB is a blue with RGB values 81, 100, 203 and HSL 231°, 54%, 56%. It is a dark colour, so white text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#5164CB#5164CB
HEX#5164CB
RGBrgb(81, 100, 203)
RGB (0–1)0.3176, 0.3922, 0.7961
RGB percentages31.8%, 39.2%, 79.6%
HSLhsl(230.7, 54%, 55.7%)
HSV / HSBhsv(230.7, 60.1%, 79.6%)
CMYK60.1%, 50.7%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,334,219
CSS custom property--colour: #5164CB;

Brightness & contrast

Relative luminance0.15175WCAG 2.x, 0 is black and 1 is white
Perceived brightness111.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.2:1
Contrast with white5.2:1WCAG normal text: AA
Contrast with black4.04:1WCAG normal text: Fail
Greyscale equivalent#676767
Inverted#AE9B34

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2B72CFno red cones; affects about 1% of men; ΔE 13.3 from the original
Deuteranopia#0C68C9no green cones; the most common form, about 1% of men; ΔE 11.2 from the original
Tritanopia#007C8Eno blue cones; rare, and affects men and women equally; ΔE 59.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.2:1WCAG large text: AAA
Contrast with black, large text4.04:1WCAG large text: AA

Named colours

Royal blue · ΔE 9.8Slate blue · ΔE 12Medium purple · ΔE 16.5Medium slateblue · ΔE 20.3Dark slateblue · ΔE 20.5Dodgerblue · ΔE 21.1
Nearest named CSS colourRoyal blue (#4169E1)ΔE 9.82, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CBB851
Analogous#51A1CB, #7B51CB
Triadic#CB5164, #64CB51
Split complementary#CB7B51, #A1CB51
Tetradic#CB51A1, #CBB851, #51CB7B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EEF0FA
Lighter +30%#C7CDEE
Lighter +20%#A0AAE2
Lighter +10%#7887D7
Darker −10%#3649B3
Darker −20%#2A398C
Darker −30%#1E2965
Darker −40%#12193E
More saturated +25%#3551E7
Less saturated −25%#6D77AF

Channel breakdown

R81
G100
B203
Red81 (31.8%)
Green100 (39.2%)
Blue203 (79.6%)
Hue230.66°
Saturation (HSL)53.98%
Lightness55.69%
Dominant channelBlue
Hex per channelR 51 · G 64 · B CB

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Every value on this page was computed from “5164cb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.