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Recognised as Colour

#020017

  • #020017
  • Blue
  • Dark
  • Nearest: Black

#020017 is a blue with RGB values 2, 0, 23 and HSL 245°, 100%, 5%. It is a dark colour, so white text on it reaches 20.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#020017#020017
HEX#020017
RGBrgb(2, 0, 23)
RGB (0–1)0.0078, 0, 0.0902
RGB percentages0.8%, 0%, 9%
HSLhsl(245.2, 100%, 4.5%)
HSV / HSBhsv(245.2, 100%, 9%)
CMYK91.3%, 100%, 0%, 91%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer131,095
CSS custom property--colour: #020017;

Brightness & contrast

Relative luminance0.00075WCAG 2.x, 0 is black and 1 is white
Perceived brightness7.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 20.69:1
Contrast with white20.69:1WCAG normal text: AAA
Contrast with black1.01:1WCAG normal text: Fail
Greyscale equivalent#020202
Inverted#FDFFE8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#000318no red cones; affects about 1% of men; ΔE 1.6 from the original
Deuteranopia#000217no green cones; the most common form, about 1% of men; ΔE 1.4 from the original
Tritanopia#000409no blue cones; rare, and affects men and women equally; ΔE 9.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text20.69:1WCAG large text: AAA
Contrast with black, large text1.01:1WCAG large text: Fail

Named colours

Black · ΔE 11.4Dark slate grey · ΔE 35.2Dim grey · ΔE 45.2Dark slateblue · ΔE 48.7Midnight blue · ΔE 50Slate grey · ΔE 52.6
Nearest named CSS colourBlack (#000000)ΔE 11.42, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#151700
Analogous#000917, #0E0017
Triadic#170200, #001702
Split complementary#170E00, #091700
Tetradic#170009, #151700, #00170E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#1400E3
Lighter +30%#0F00B0
Lighter +20%#0B007D
Lighter +10%#06004A
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#020017
Less saturated −25%#040314

Channel breakdown

R2
G0
B23
Red2 (0.8%)
Green0 (0%)
Blue23 (9%)
Hue245.22°
Saturation (HSL)100%
Lightness4.51%
Dominant channelBlue
Hex per channelR 02 · G 00 · B 17

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Every value on this page was computed from “hex 020017” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.