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Recognised as Colour

#190D40

  • #190D40
  • Blue
  • Dark
  • Nearest: Midnight blue

#190D40 is a blue with RGB values 25, 13, 64 and HSL 254°, 66%, 15%. It is a dark colour, so white text on it reaches 17.9:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#190D40#190D40
HEX#190D40
RGBrgb(25, 13, 64)
RGB (0–1)0.098, 0.051, 0.251
RGB percentages9.8%, 5.1%, 25.1%
HSLhsl(254.1, 66.2%, 15.1%)
HSV / HSBhsv(254.1, 79.7%, 25.1%)
CMYK60.9%, 79.7%, 0%, 74.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,641,792
CSS custom property--colour: #190D40;

Brightness & contrast

Relative luminance0.00865WCAG 2.x, 0 is black and 1 is white
Perceived brightness27.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.9:1
Contrast with white17.9:1WCAG normal text: AAA
Contrast with black1.17:1WCAG normal text: Fail
Greyscale equivalent#131313
Inverted#E6F2BF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001842no red cones; affects about 1% of men; ΔE 11.6 from the original
Deuteranopia#00163Fno green cones; the most common form, about 1% of men; ΔE 11.4 from the original
Tritanopia#091A25no blue cones; rare, and affects men and women equally; ΔE 32.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.9:1WCAG large text: AAA
Contrast with black, large text1.17:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 23.1Dark slateblue · ΔE 26.2Rebecca purple · ΔE 36.8Black · ΔE 38.2Indigo · ΔE 39.7Navy · ΔE 43.2
Nearest named CSS colourMidnight blue (#191970)ΔE 23.08, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#34400D
Analogous#0D1A40, #330D40
Triadic#40190D, #0D4019
Split complementary#40330D, #1A400D
Tetradic#400D1A, #34400D, #0D4033

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6441D8
Lighter +30%#4B27BF
Lighter +20%#3A1E95
Lighter +10%#2A166A
Darker −10%#080416
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#14034A
Less saturated −25%#1E1736

Channel breakdown

R25
G13
B64
Red25 (9.8%)
Green13 (5.1%)
Blue64 (25.1%)
Hue254.12°
Saturation (HSL)66.23%
Lightness15.1%
Dominant channelBlue
Hex per channelR 19 · G 0D · B 40

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Every value on this page was computed from “190d40” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.