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Colour

#1440B2

  • #1440B2
  • Blue
  • Dark
  • Nearest: Slate blue

#1440B2 is a blue with RGB values 20, 64, 178 and HSL 223°, 80%, 39%. It is a dark colour, so white text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#1440B2#1440B2
HEX#1440B2
RGBrgb(20, 64, 178)
RGB (0–1)0.0784, 0.251, 0.698
RGB percentages7.8%, 25.1%, 69.8%
HSLhsl(223.3, 79.8%, 38.8%)
HSV / HSBhsv(223.3, 88.8%, 69.8%)
CMYK88.8%, 64%, 0%, 30.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,327,282
CSS custom property--colour: #1440B2;

Brightness & contrast

Relative luminance0.0703WCAG 2.x, 0 is black and 1 is white
Perceived brightness78.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.73:1
Contrast with white8.73:1WCAG normal text: AAA
Contrast with black2.41:1WCAG normal text: Fail
Greyscale equivalent#3F3F3F
Inverted#EBBF4D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0052B6no red cones; affects about 1% of men; ΔE 13.6 from the original
Deuteranopia#0044B0no green cones; the most common form, about 1% of men; ΔE 4.8 from the original
Tritanopia#005E73no blue cones; rare, and affects men and women equally; ΔE 65.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.73:1WCAG large text: AAA
Contrast with black, large text2.41:1WCAG large text: Fail

Named colours

Slate blue · ΔE 15.7Royal blue · ΔE 16.7Rebecca purple · ΔE 20.8Midnight blue · ΔE 21.6Dark slateblue · ΔE 22.6Medium slateblue · ΔE 22.7
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 15.74, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B28614
Analogous#148FB2, #3714B2
Triadic#B21440, #40B214
Split complementary#B23714, #8FB214
Tetradic#B2148F, #B28614, #14B237

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9EB6F4
Lighter +30%#7093EF
Lighter +20%#4271EA
Lighter +10%#1950E0
Darker −10%#0F3084
Darker −20%#0A1F56
Darker −30%#050F28
Darker −40%#000000
More saturated +25%#0037C6
Less saturated −25%#2D4B99

Channel breakdown

R20
G64
B178
Red20 (7.8%)
Green64 (25.1%)
Blue178 (69.8%)
Hue223.29°
Saturation (HSL)79.8%
Lightness38.82%
Dominant channelBlue
Hex per channelR 14 · G 40 · B B2

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Every value on this page was computed from “1440b2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.