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Recognised as Colour

#2487BD

  • #2487BD
  • Blue
  • Dark
  • Nearest: Steel blue

#2487BD is a blue with RGB values 36, 135, 189 and HSL 201°, 68%, 44%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#2487BD#2487BD
HEX#2487BD
RGBrgb(36, 135, 189)
RGB (0–1)0.1412, 0.5294, 0.7412
RGB percentages14.1%, 52.9%, 74.1%
HSLhsl(201.2, 68%, 44.1%)
HSV / HSBhsv(201.2, 81%, 74.1%)
CMYK81%, 28.6%, 0%, 25.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,394,045
CSS custom property--colour: #2487BD;

Brightness & contrast

Relative luminance0.21377WCAG 2.x, 0 is black and 1 is white
Perceived brightness123.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.28:1
Contrast with white3.98:1WCAG normal text: Fail
Contrast with black5.28:1WCAG normal text: AA
Greyscale equivalent#767676
Inverted#DB7842

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6D87BFno red cones; affects about 1% of men; ΔE 15.1 from the original
Deuteranopia#5979BCno green cones; the most common form, about 1% of men; ΔE 17.1 from the original
Tritanopia#00959Ano blue cones; rare, and affects men and women equally; ΔE 32.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.98:1WCAG large text: AA
Contrast with black, large text5.28:1WCAG large text: AAA

Named colours

Steel blue · ΔE 6.2Deep skyblue · ΔE 22.1Cornflower blue · ΔE 24.1Light slate grey · ΔE 25.9Slate grey · ΔE 26.3Light skyblue · ΔE 27.5
Nearest named CSS colourSteel blue (#4682B4)ΔE 6.15, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BD5A24
Analogous#24BDA7, #243ABD
Triadic#BD2487, #87BD24
Split complementary#BD243A, #BDA724
Tetradic#A724BD, #BD5A24, #3ABD24

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BBDFF2
Lighter +30%#90CAEA
Lighter +20%#65B6E2
Lighter +10%#3AA1DA
Darker −10%#1C6892
Darker −20%#144A67
Darker −30%#0C2B3C
Darker −40%#030D12
More saturated +25%#088FD9
Less saturated −25%#407FA1

Channel breakdown

R36
G135
B189
Red36 (14.1%)
Green135 (52.9%)
Blue189 (74.1%)
Hue201.18°
Saturation (HSL)68%
Lightness44.12%
Dominant channelBlue
Hex per channelR 24 · G 87 · B BD

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Every value on this page was computed from “2487bd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.