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Recognised as Colour

#011E8A

  • #011E8A
  • Blue
  • Dark
  • Nearest: Midnight blue

#011E8A is a blue with RGB values 1, 30, 138 and HSL 227°, 99%, 27%. It is a dark colour, so white text on it reaches 13.5:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#011E8A#011E8A
HEX#011E8A
RGBrgb(1, 30, 138)
RGB (0–1)0.0039, 0.1176, 0.5412
RGB percentages0.4%, 11.8%, 54.1%
HSLhsl(227.3, 98.6%, 27.3%)
HSV / HSBhsv(227.3, 99.3%, 54.1%)
CMYK99.3%, 78.3%, 0%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer73,354
CSS custom property--colour: #011E8A;

Brightness & contrast

Relative luminance0.0277WCAG 2.x, 0 is black and 1 is white
Perceived brightness52 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.51:1
Contrast with white13.51:1WCAG normal text: AAA
Contrast with black1.55:1WCAG normal text: Fail
Greyscale equivalent#202020
Inverted#FEE175

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00358Dno red cones; affects about 1% of men; ΔE 17.6 from the original
Deuteranopia#002888no green cones; the most common form, about 1% of men; ΔE 8.9 from the original
Tritanopia#003F53no blue cones; rare, and affects men and women equally; ΔE 64.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.51:1WCAG large text: AAA
Contrast with black, large text1.55:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 12.8Navy · ΔE 12.9Dark blue · ΔE 16.3Indigo · ΔE 16.7Rebecca purple · ΔE 20.3Dark slateblue · ΔE 24.6
Nearest named CSS colourMidnight blue (#191970)ΔE 12.78, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8A6D01
Analogous#01628A, #29018A
Triadic#8A011E, #1E8A01
Split complementary#8A2901, #628A01
Tetradic#8A0162, #8A6D01, #018A29

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#597CFE
Lighter +30%#2754FD
Lighter +20%#0234EF
Lighter +10%#0129BD
Darker −10%#011357
Darker −20%#000825
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001D8B
Less saturated −25%#122879

Channel breakdown

R1
G30
B138
Red1 (0.4%)
Green30 (11.8%)
Blue138 (54.1%)
Hue227.3°
Saturation (HSL)98.56%
Lightness27.25%
Dominant channelBlue
Hex per channelR 01 · G 1E · B 8A

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Every value on this page was computed from “011e8a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.