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Recognised as Colour

#010312

  • #010312
  • Blue
  • Dark
  • Nearest: Black

#010312 is a blue with RGB values 1, 3, 18 and HSL 233°, 89%, 4%. It is a dark colour, so white text on it reaches 20.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#010312#010312
HEX#010312
RGBrgb(1, 3, 18)
RGB (0–1)0.0039, 0.0118, 0.0706
RGB percentages0.4%, 1.2%, 7.1%
HSLhsl(232.9, 89.5%, 3.7%)
HSV / HSBhsv(232.9, 94.4%, 7.1%)
CMYK94.4%, 83.3%, 0%, 92.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer66,322
CSS custom property--colour: #010312;

Brightness & contrast

Relative luminance0.00115WCAG 2.x, 0 is black and 1 is white
Perceived brightness6.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 20.53:1
Contrast with white20.53:1WCAG normal text: AAA
Contrast with black1.02:1WCAG normal text: Fail
Greyscale equivalent#040404
Inverted#FEFCED

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#000413no red cones; affects about 1% of men; ΔE 0.6 from the original
Deuteranopia#000312no green cones; the most common form, about 1% of men; ΔE 0.3 from the original
Tritanopia#000608no blue cones; rare, and affects men and women equally; ΔE 6.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text20.53:1WCAG large text: AAA
Contrast with black, large text1.02:1WCAG large text: Fail

Named colours

Black · ΔE 6.9Dark slate grey · ΔE 33.2Dim grey · ΔE 43.9Slate grey · ΔE 52.1Dark slateblue · ΔE 52.3Gray · ΔE 53
Nearest named CSS colourBlack (#000000)ΔE 6.92, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#121001
Analogous#010B12, #080112
Triadic#120103, #031201
Split complementary#120701, #0C1201
Tetradic#12010B, #121001, #011207

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#0C23D3
Lighter +30%#091BA3
Lighter +20%#061373
Lighter +10%#040B42
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#000213
Less saturated −25%#030510

Channel breakdown

R1
G3
B18
Red1 (0.4%)
Green3 (1.2%)
Blue18 (7.1%)
Hue232.94°
Saturation (HSL)89.47%
Lightness3.73%
Dominant channelBlue
Hex per channelR 01 · G 03 · B 12

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Every value on this page was computed from “hex 010312” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.