Nerdulator> put something in

Recognised as Colour

#4F63CC

  • #4F63CC
  • Blue
  • Dark
  • Nearest: Royal blue

#4F63CC is a blue with RGB values 79, 99, 204 and HSL 230°, 55%, 55%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#4F63CC#4F63CC
HEX#4F63CC
RGBrgb(79, 99, 204)
RGB (0–1)0.3098, 0.3882, 0.8
RGB percentages31%, 38.8%, 80%
HSLhsl(230.4, 55.1%, 55.5%)
HSV / HSBhsv(230.4, 61.3%, 80%)
CMYK61.3%, 51.5%, 0%, 20%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,202,892
CSS custom property--colour: #4F63CC;

Brightness & contrast

Relative luminance0.14946WCAG 2.x, 0 is black and 1 is white
Perceived brightness111.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.26:1
Contrast with white5.26:1WCAG normal text: AA
Contrast with black3.99:1WCAG normal text: Fail
Greyscale equivalent#666666
Inverted#B09C33

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2672D0no red cones; affects about 1% of men; ΔE 14.1 from the original
Deuteranopia#0067CAno green cones; the most common form, about 1% of men; ΔE 11.2 from the original
Tritanopia#007B8Eno blue cones; rare, and affects men and women equally; ΔE 60.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.26:1WCAG large text: AAA
Contrast with black, large text3.99:1WCAG large text: AA

Named colours

Royal blue · ΔE 8.7Slate blue · ΔE 11.2Medium purple · ΔE 16.7Medium slateblue · ΔE 19.4Dark slateblue · ΔE 21Dodgerblue · ΔE 21.3
Nearest named CSS colourRoyal blue (#4169E1)ΔE 8.74, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CCB84F
Analogous#4FA2CC, #7A4FCC
Triadic#CC4F63, #63CC4F
Split complementary#CC794F, #A2CC4F
Tetradic#CC4FA2, #CCB84F, #4FCC79

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EDEFFA
Lighter +30%#C6CCEE
Lighter +20%#9EA9E3
Lighter +10%#7786D7
Darker −10%#3449B4
Darker −20%#29398C
Darker −30%#1D2965
Darker −40%#12193D
More saturated +25%#3350E8
Less saturated −25%#6B76B0

Channel breakdown

R79
G99
B204
Red79 (31%)
Green99 (38.8%)
Blue204 (80%)
Hue230.4°
Saturation (HSL)55.07%
Lightness55.49%
Dominant channelBlue
Hex per channelR 4F · G 63 · B CC

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “4f63cc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.