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Recognised as Colour

#1E184F

  • #1E184F
  • Blue
  • Dark
  • Nearest: Midnight blue

#1E184F is a blue with RGB values 30, 24, 79 and HSL 247°, 53%, 20%. It is a dark colour, so white text on it reaches 16.2:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#1E184F#1E184F
HEX#1E184F
RGBrgb(30, 24, 79)
RGB (0–1)0.1176, 0.0941, 0.3098
RGB percentages11.8%, 9.4%, 31%
HSLhsl(246.5, 53.4%, 20.2%)
HSV / HSBhsv(246.5, 69.6%, 31%)
CMYK62%, 69.6%, 0%, 69%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,972,303
CSS custom property--colour: #1E184F;

Brightness & contrast

Relative luminance0.01494WCAG 2.x, 0 is black and 1 is white
Perceived brightness36.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.17:1
Contrast with white16.17:1WCAG normal text: AAA
Contrast with black1.3:1WCAG normal text: Fail
Greyscale equivalent#1D1D1D
Inverted#E1E7B0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002351no red cones; affects about 1% of men; ΔE 12.1 from the original
Deuteranopia#001F4Eno green cones; the most common form, about 1% of men; ΔE 10.2 from the original
Tritanopia#052631no blue cones; rare, and affects men and women equally; ΔE 35.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.17:1WCAG large text: AAA
Contrast with black, large text1.3:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 20.1Dark slateblue · ΔE 21Rebecca purple · ΔE 33.1Indigo · ΔE 37.7Black · ΔE 41Navy · ΔE 41.4
Nearest named CSS colourMidnight blue (#191970)ΔE 20.08, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#494F18
Analogous#182E4F, #39184F
Triadic#4F1E18, #184F1E
Split complementary#4F3A18, #2D4F18
Tetradic#4F182E, #494F18, #184F39

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6F63D0
Lighter +30%#4B3CC4
Lighter +20%#3C309D
Lighter +10%#2D2476
Darker −10%#0F0C28
Darker −20%#000001
Darker −30%#000000
Darker −40%#000000
More saturated +25%#140B5C
Less saturated −25%#282542

Channel breakdown

R30
G24
B79
Red30 (11.8%)
Green24 (9.4%)
Blue79 (31%)
Hue246.55°
Saturation (HSL)53.4%
Lightness20.2%
Dominant channelBlue
Hex per channelR 1E · G 18 · B 4F

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Every value on this page was computed from “1e184f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.