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Recognised as Colour

#5487CF

  • #5487CF
  • Blue
  • Dark
  • Nearest: Cornflower blue

#5487CF is a blue with RGB values 84, 135, 207 and HSL 215°, 56%, 57%. It is a dark colour, so black text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#5487CF#5487CF
HEX#5487CF
RGBrgb(84, 135, 207)
RGB (0–1)0.3294, 0.5294, 0.8118
RGB percentages32.9%, 52.9%, 81.2%
HSLhsl(215.1, 56.2%, 57.1%)
HSV / HSBhsv(215.1, 59.4%, 81.2%)
CMYK59.4%, 34.8%, 0%, 18.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,539,791
CSS custom property--colour: #5487CF;

Brightness & contrast

Relative luminance0.23718WCAG 2.x, 0 is black and 1 is white
Perceived brightness133 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.74:1
Contrast with white3.66:1WCAG normal text: Fail
Contrast with black5.74:1WCAG normal text: AA
Greyscale equivalent#818181
Inverted#AB7830

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#698CD2no red cones; affects about 1% of men; ΔE 4.4 from the original
Deuteranopia#5980CEno green cones; the most common form, about 1% of men; ΔE 5.6 from the original
Tritanopia#0097A1no blue cones; rare, and affects men and women equally; ΔE 43.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.66:1WCAG large text: AA
Contrast with black, large text5.74:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 10.4Steel blue · ΔE 13.8Dodgerblue · ΔE 22Deep skyblue · ΔE 27.9Light skyblue · ΔE 31.7Light slate grey · ΔE 31.9
Nearest named CSS colourCornflower blue (#6495ED)ΔE 10.41, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CF9C54
Analogous#54C4CF, #5E54CF
Triadic#CF5487, #87CF54
Split complementary#CF5E54, #C4CF54
Tetradic#CF54C5, #CF9C54, #54CF5E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F3F7FC
Lighter +30%#CBDBF1
Lighter +20%#A4BFE5
Lighter +10%#7CA3DA
Darker −10%#356CBB
Darker −20%#295594
Darker −30%#1E3E6C
Darker −40%#132744
More saturated +25%#3982EA
Less saturated −25%#6F8CB4

Channel breakdown

R84
G135
B207
Red84 (32.9%)
Green135 (52.9%)
Blue207 (81.2%)
Hue215.12°
Saturation (HSL)56.16%
Lightness57.06%
Dominant channelBlue
Hex per channelR 54 · G 87 · B CF

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Every value on this page was computed from “5487cf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.