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Recognised as Colour

#000131

  • #000131
  • Blue
  • Dark
  • Nearest: Midnight blue

#000131 is a blue with RGB values 0, 1, 49 and HSL 239°, 100%, 10%. It is a dark colour, so white text on it reaches 20:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#000131#000131
HEX#000131
RGBrgb(0, 1, 49)
RGB (0–1)0, 0.0039, 0.1922
RGB percentages0%, 0.4%, 19.2%
HSLhsl(238.8, 100%, 9.6%)
HSV / HSBhsv(238.8, 100%, 19.2%)
CMYK100%, 98%, 0%, 80.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer305
CSS custom property--colour: #000131;

Brightness & contrast

Relative luminance0.00243WCAG 2.x, 0 is black and 1 is white
Perceived brightness16.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 20.02:1
Contrast with white20.02:1WCAG normal text: AAA
Contrast with black1.05:1WCAG normal text: Fail
Greyscale equivalent#040404
Inverted#FFFECE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#000B32no red cones; affects about 1% of men; ΔE 4.8 from the original
Deuteranopia#000530no green cones; the most common form, about 1% of men; ΔE 2.9 from the original
Tritanopia#000F19no blue cones; rare, and affects men and women equally; ΔE 26.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text20.02:1WCAG large text: AAA
Contrast with black, large text1.05:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 30.9Black · ΔE 31.7Dark slateblue · ΔE 34Dark slate grey · ΔE 45.9Rebecca purple · ΔE 46.3Indigo · ΔE 48.9
Nearest named CSS colourMidnight blue (#191970)ΔE 30.92, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#313000
Analogous#001931, #180031
Triadic#310001, #013100
Split complementary#311800, #193100
Tetradic#310019, #313000, #003118

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#0005FD
Lighter +30%#0004CA
Lighter +20%#000397
Lighter +10%#000264
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#000131
Less saturated −25%#06072B

Channel breakdown

R0
G1
B49
Red0 (0%)
Green1 (0.4%)
Blue49 (19.2%)
Hue238.78°
Saturation (HSL)100%
Lightness9.61%
Dominant channelBlue
Hex per channelR 00 · G 01 · B 31

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Every value on this page was computed from “hex 000131” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.