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Recognised as Colour

#1E3E8C

  • #1E3E8C
  • Blue
  • Dark
  • Nearest: Dark slateblue

#1E3E8C is a blue with RGB values 30, 62, 140 and HSL 223°, 65%, 33%. It is a dark colour, so white text on it reaches 9.9:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#1E3E8C#1E3E8C
HEX#1E3E8C
RGBrgb(30, 62, 140)
RGB (0–1)0.1176, 0.2431, 0.549
RGB percentages11.8%, 24.3%, 54.9%
HSLhsl(222.5, 64.7%, 33.3%)
HSV / HSBhsv(222.5, 78.6%, 54.9%)
CMYK78.6%, 55.7%, 0%, 45.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,982,092
CSS custom property--colour: #1E3E8C;

Brightness & contrast

Relative luminance0.05615WCAG 2.x, 0 is black and 1 is white
Perceived brightness69 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.89:1
Contrast with white9.89:1WCAG normal text: AAA
Contrast with black2.12:1WCAG normal text: Fail
Greyscale equivalent#3D3D3D
Inverted#E1C173

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00488Fno red cones; affects about 1% of men; ΔE 8.6 from the original
Deuteranopia#003E8Ano green cones; the most common form, about 1% of men; ΔE 3.3 from the original
Tritanopia#00515Eno blue cones; rare, and affects men and women equally; ΔE 47.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.89:1WCAG large text: AAA
Contrast with black, large text2.12:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 9.6Midnight blue · ΔE 18.8Rebecca purple · ΔE 25.3Slate blue · ΔE 27.1Royal blue · ΔE 28.1Medium purple · ΔE 32.7
Nearest named CSS colourDark slateblue (#483D8B)ΔE 9.58, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8C6C1E
Analogous#1E758C, #351E8C
Triadic#8C1E3E, #3E8C1E
Split complementary#8C351E, #758C1E
Tetradic#8C1E75, #8C6C1E, #1E8C35

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8FA9E7
Lighter +30%#6588DE
Lighter +20%#3B68D5
Lighter +10%#2751B6
Darker −10%#152B62
Darker −20%#0C1938
Darker −30%#03060E
Darker −40%#000000
More saturated +25%#0935A1
Less saturated −25%#334777

Channel breakdown

R30
G62
B140
Red30 (11.8%)
Green62 (24.3%)
Blue140 (54.9%)
Hue222.55°
Saturation (HSL)64.71%
Lightness33.33%
Dominant channelBlue
Hex per channelR 1E · G 3E · B 8C

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Every value on this page was computed from “1e3e8c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.