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Recognised as Colour

#2879DB

  • #2879DB
  • Blue
  • Dark
  • Nearest: Dodgerblue

#2879DB is a blue with RGB values 40, 121, 219 and HSL 213°, 71%, 51%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#2879DB#2879DB
HEX#2879DB
RGBrgb(40, 121, 219)
RGB (0–1)0.1569, 0.4745, 0.8588
RGB percentages15.7%, 47.5%, 85.9%
HSLhsl(212.8, 71.3%, 50.8%)
HSV / HSBhsv(212.8, 81.7%, 85.9%)
CMYK81.7%, 44.7%, 0%, 14.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,652,635
CSS custom property--colour: #2879DB;

Brightness & contrast

Relative luminance0.1924WCAG 2.x, 0 is black and 1 is white
Perceived brightness120.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.85:1
Contrast with white4.33:1WCAG normal text: Fail
Contrast with black4.85:1WCAG normal text: AA
Greyscale equivalent#6F6F6F
Inverted#D78624

Colour vision & accessibility

Protanopia#4582DFno red cones; affects about 1% of men; ΔE 5.2 from the original
Deuteranopia#1B72D9no green cones; the most common form, about 1% of men; ΔE 4.4 from the original
Tritanopia#00909Fno blue cones; rare, and affects men and women equally; ΔE 54.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.33:1WCAG large text: AA
Contrast with black, large text4.85:1WCAG large text: AAA

Named colours

Nearest named CSS colourDodgerblue (#1E90FF)ΔE 10.72, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#DB8A28
Analogous#28D3DB, #3028DB
Triadic#DB2879, #79DB28
Split complementary#DB3028, #D3DB28
Tetradic#DB28D3, #DB8A28, #28DB31

Tints, shades & saturation

Lighter +40%#D7E6F8
Lighter +30%#ABCBF1
Lighter +20%#7FAFEA
Lighter +10%#5494E2
Darker −10%#1E61B2
Darker −20%#174986
Darker −30%#0F315B
Darker −40%#081A2F
More saturated +25%#0976FA
Less saturated −25%#477CBC

Channel breakdown

R40
G121
B219
Red40 (15.7%)
Green121 (47.5%)
Blue219 (85.9%)
Hue212.85°
Saturation (HSL)71.31%
Lightness50.78%
Dominant channelBlue
Hex per channelR 28 · G 79 · B DB

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Every value on this page was computed from “2879db” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.