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Recognised as Colour

#4C87DD

  • #4C87DD
  • Blue
  • Dark
  • Nearest: Cornflower blue

#4C87DD is a blue with RGB values 76, 135, 221 and HSL 216°, 68%, 58%. It is a dark colour, so black text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#4C87DD#4C87DD
HEX#4C87DD
RGBrgb(76, 135, 221)
RGB (0–1)0.298, 0.5294, 0.8667
RGB percentages29.8%, 52.9%, 86.7%
HSLhsl(215.6, 68.1%, 58.2%)
HSV / HSBhsv(215.6, 65.6%, 86.7%)
CMYK65.6%, 38.9%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,015,517
CSS custom property--colour: #4C87DD;

Brightness & contrast

Relative luminance0.24085WCAG 2.x, 0 is black and 1 is white
Perceived brightness134.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.82:1
Contrast with white3.61:1WCAG normal text: Fail
Contrast with black5.82:1WCAG normal text: AA
Greyscale equivalent#818181
Inverted#B37822

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#608EE0no red cones; affects about 1% of men; ΔE 4.4 from the original
Deuteranopia#4B80DBno green cones; the most common form, about 1% of men; ΔE 4.5 from the original
Tritanopia#009BA7no blue cones; rare, and affects men and women equally; ΔE 50.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.61:1WCAG large text: AA
Contrast with black, large text5.82:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 5.9Dodgerblue · ΔE 14.3Steel blue · ΔE 21.5Royal blue · ΔE 25.5Medium purple · ΔE 28.9Slate blue · ΔE 31.2
Nearest named CSS colourCornflower blue (#6495ED)ΔE 5.93, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DDA24C
Analogous#4CD0DD, #5A4CDD
Triadic#DD4C87, #87DD4C
Split complementary#DD5A4C, #D0DD4C
Tetradic#DD4CCF, #DDA24C, #4CDD5A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F7FAFE
Lighter +30%#CDDDF5
Lighter +20%#A2C0ED
Lighter +10%#77A4E5
Darker −10%#276BCF
Darker −20%#1F55A4
Darker −30%#173F79
Darker −40%#0F294E
More saturated +25%#3182F8
Less saturated −25%#678CC2

Channel breakdown

R76
G135
B221
Red76 (29.8%)
Green135 (52.9%)
Blue221 (86.7%)
Hue215.59°
Saturation (HSL)68.08%
Lightness58.24%
Dominant channelBlue
Hex per channelR 4C · G 87 · B DD

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Every value on this page was computed from “4c87dd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.