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Recognised as Colour

#020031

  • #020031
  • Blue
  • Dark
  • Nearest: Midnight blue

#020031 is a blue with RGB values 2, 0, 49 and HSL 242°, 100%, 10%. It is a dark colour, so white text on it reaches 20.1:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#020031#020031
HEX#020031
RGBrgb(2, 0, 49)
RGB (0–1)0.0078, 0, 0.1922
RGB percentages0.8%, 0%, 19.2%
HSLhsl(242.4, 100%, 9.6%)
HSV / HSBhsv(242.4, 100%, 19.2%)
CMYK95.9%, 100%, 0%, 80.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer131,121
CSS custom property--colour: #020031;

Brightness & contrast

Relative luminance0.00235WCAG 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 20.06:1
Contrast with white20.06:1WCAG normal text: AAA
Contrast with black1.05:1WCAG normal text: Fail
Greyscale equivalent#040404
Inverted#FDFFCE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#000A32no red cones; affects about 1% of men; ΔE 5 from the original
Deuteranopia#000530no green cones; the most common form, about 1% of men; ΔE 3.7 from the original
Tritanopia#000E18no blue cones; rare, and affects men and women equally; ΔE 26.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text20.06:1WCAG large text: AAA
Contrast with black, large text1.05:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 30.3Black · ΔE 32.2Dark slateblue · ΔE 33.7Rebecca purple · ΔE 45.7Dark slate grey · ΔE 46.5Indigo · ΔE 48.2
Nearest named CSS colourMidnight blue (#191970)ΔE 30.34, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2F3100
Analogous#001731, #1B0031
Triadic#310200, #003102
Split complementary#311B00, #163100
Tetradic#310016, #2F3100, #00311B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#0A00FD
Lighter +30%#0800CA
Lighter +20%#060097
Lighter +10%#040064
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#020031
Less saturated −25%#08062B

Channel breakdown

R2
G0
B49
Red2 (0.8%)
Green0 (0%)
Blue49 (19.2%)
Hue242.45°
Saturation (HSL)100%
Lightness9.61%
Dominant channelBlue
Hex per channelR 02 · G 00 · B 31

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Every value on this page was computed from “hex 020031” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.