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Recognised as Colour

#1E1554

  • #1E1554
  • Blue
  • Dark
  • Nearest: Midnight blue

#1E1554 is a blue with RGB values 30, 21, 84 and HSL 249°, 60%, 21%. It is a dark colour, so white text on it reaches 16.3:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#1E1554#1E1554
HEX#1E1554
RGBrgb(30, 21, 84)
RGB (0–1)0.1176, 0.0824, 0.3294
RGB percentages11.8%, 8.2%, 32.9%
HSLhsl(248.6, 60%, 20.6%)
HSV / HSBhsv(248.6, 75%, 32.9%)
CMYK64.3%, 75%, 0%, 67.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,971,540
CSS custom property--colour: #1E1554;

Brightness & contrast

Relative luminance0.01452WCAG 2.x, 0 is black and 1 is white
Perceived brightness36.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.27:1
Contrast with white16.27:1WCAG normal text: AAA
Contrast with black1.29:1WCAG normal text: Fail
Greyscale equivalent#1B1B1B
Inverted#E1EAAB

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002256no red cones; affects about 1% of men; ΔE 13 from the original
Deuteranopia#001E53no green cones; the most common form, about 1% of men; ΔE 11 from the original
Tritanopia#002632no blue cones; rare, and affects men and women equally; ΔE 41.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.27:1WCAG large text: AAA
Contrast with black, large text1.29:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 15Dark slateblue · ΔE 19.3Rebecca purple · ΔE 29.3Indigo · ΔE 32.6Navy · ΔE 36Purple · ΔE 38.4
Nearest named CSS colourMidnight blue (#191970)ΔE 14.96, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4B5415
Analogous#152C54, #3D1554
Triadic#541E15, #15541E
Split complementary#543D15, #2C5415
Tetradic#54152C, #4B5415, #15543D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6F5ED7
Lighter +30%#4B35CD
Lighter +20%#3B29A6
Lighter +10%#2D1F7D
Darker −10%#0F0B2B
Darker −20%#010102
Darker −30%#000000
Darker −40%#000000
More saturated +25%#150861
Less saturated −25%#272247

Channel breakdown

R30
G21
B84
Red30 (11.8%)
Green21 (8.2%)
Blue84 (32.9%)
Hue248.57°
Saturation (HSL)60%
Lightness20.59%
Dominant channelBlue
Hex per channelR 1E · G 15 · B 54

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Every value on this page was computed from “1e1554” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.