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Recognised as Colour

#2C5BD5

  • #2C5BD5
  • Blue
  • Dark
  • Nearest: Royal blue

#2C5BD5 is a blue with RGB values 44, 91, 213 and HSL 223°, 67%, 50%. It is a dark colour, so white text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#2C5BD5#2C5BD5
HEX#2C5BD5
RGBrgb(44, 91, 213)
RGB (0–1)0.1725, 0.3569, 0.8353
RGB percentages17.3%, 35.7%, 83.5%
HSLhsl(223.3, 66.8%, 50.4%)
HSV / HSBhsv(223.3, 79.3%, 83.5%)
CMYK79.3%, 57.3%, 0%, 16.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,907,093
CSS custom property--colour: #2C5BD5;

Brightness & contrast

Relative luminance0.12822WCAG 2.x, 0 is black and 1 is white
Perceived brightness103 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.89:1
Contrast with white5.89:1WCAG normal text: AA
Contrast with black3.56:1WCAG normal text: Fail
Greyscale equivalent#5A5A5A
Inverted#D3A42A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#006CD9no red cones; affects about 1% of men; ΔE 13.3 from the original
Deuteranopia#005DD3no green cones; the most common form, about 1% of men; ΔE 4.5 from the original
Tritanopia#007A8Fno blue cones; rare, and affects men and women equally; ΔE 68.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.89:1WCAG large text: AAA
Contrast with black, large text3.56:1WCAG large text: AA

Named colours

Royal blue · ΔE 6.1Slate blue · ΔE 12.4Medium slateblue · ΔE 16Medium purple · ΔE 22.7Dodgerblue · ΔE 25.3Rebecca purple · ΔE 26.5
Nearest named CSS colourRoyal blue (#4169E1)ΔE 6.06, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D5A62C
Analogous#2CAFD5, #522CD5
Triadic#D52C5B, #5BD52C
Split complementary#D5522C, #AFD52C
Tetradic#D52CAF, #D5A62C, #2CD552

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D6DFF7
Lighter +30%#ACBEEE
Lighter +20%#819DE6
Lighter +10%#577CDD
Darker −10%#2248AC
Darker −20%#1A3781
Darker −30%#112557
Darker −40%#09132C
More saturated +25%#0C4DF5
Less saturated −25%#4C69B5

Channel breakdown

R44
G91
B213
Red44 (17.3%)
Green91 (35.7%)
Blue213 (83.5%)
Hue223.31°
Saturation (HSL)66.8%
Lightness50.39%
Dominant channelBlue
Hex per channelR 2C · G 5B · B D5

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Every value on this page was computed from “2c5bd5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.