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Recognised as Colour

#2978DB

  • #2978DB
  • Blue
  • Dark
  • Nearest: Dodgerblue

#2978DB is a blue with RGB values 41, 120, 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

#2978DB#2978DB
HEX#2978DB
RGBrgb(41, 120, 219)
RGB (0–1)0.1608, 0.4706, 0.8588
RGB percentages16.1%, 47.1%, 85.9%
HSLhsl(213.4, 71.2%, 51%)
HSV / HSBhsv(213.4, 81.3%, 85.9%)
CMYK81.3%, 45.2%, 0%, 14.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,717,915
CSS custom property--colour: #2978DB;

Brightness & contrast

Relative luminance0.19019WCAG 2.x, 0 is black and 1 is white
Perceived brightness120.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.8:1
Contrast with white4.37:1WCAG normal text: Fail
Contrast with black4.8:1WCAG normal text: AA
Greyscale equivalent#6E6E6E
Inverted#D68724

Colour vision & accessibility

Protanopia#4381DFno red cones; affects about 1% of men; ΔE 5.1 from the original
Deuteranopia#1771D9no 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 55.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.37:1WCAG large text: AA
Contrast with black, large text4.8:1WCAG large text: AAA

Named colours

Nearest named CSS colourDodgerblue (#1E90FF)ΔE 10.79, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#DB8C29
Analogous#29D1DB, #3329DB
Triadic#DB2978, #78DB29
Split complementary#DB3329, #D1DB29
Tetradic#DB29D1, #DB8C29, #29DB33

Tints, shades & saturation

Lighter +40%#D8E6F8
Lighter +30%#ACCBF1
Lighter +20%#80AFEA
Lighter +10%#5594E2
Darker −10%#1E60B3
Darker −20%#174987
Darker −30%#0F315C
Darker −40%#081A30
More saturated +25%#0A74FA
Less saturated −25%#487CBC

Channel breakdown

R41
G120
B219
Red41 (16.1%)
Green120 (47.1%)
Blue219 (85.9%)
Hue213.37°
Saturation (HSL)71.2%
Lightness50.98%
Dominant channelBlue
Hex per channelR 29 · G 78 · B DB

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Every value on this page was computed from “2978db” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.