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Recognised as Colour

#001423

  • #001423
  • Blue
  • Dark
  • Nearest: Black

#001423 is a blue with RGB values 0, 20, 35 and HSL 206°, 100%, 7%. It is a dark colour, so white text on it reaches 18.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#001423#001423
HEX#001423
RGBrgb(0, 20, 35)
RGB (0–1)0, 0.0784, 0.1373
RGB percentages0%, 7.8%, 13.7%
HSLhsl(205.7, 100%, 6.9%)
HSV / HSBhsv(205.7, 100%, 13.7%)
CMYK100%, 42.9%, 0%, 86.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,155
CSS custom property--colour: #001423;

Brightness & contrast

Relative luminance0.00622WCAG 2.x, 0 is black and 1 is white
Perceived brightness19.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.68:1
Contrast with white18.68:1WCAG normal text: AAA
Contrast with black1.12:1WCAG normal text: Fail
Greyscale equivalent#111111
Inverted#FFEBDC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0D1424no red cones; affects about 1% of men; ΔE 4 from the original
Deuteranopia#071123no green cones; the most common form, about 1% of men; ΔE 3.8 from the original
Tritanopia#001819no blue cones; rare, and affects men and women equally; ΔE 10.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.68:1WCAG large text: AAA
Contrast with black, large text1.12:1WCAG large text: Fail

Named colours

Black · ΔE 13.8Dark slate grey · ΔE 29Dim grey · ΔE 40.8Slate grey · ΔE 47.3Dark slateblue · ΔE 47.6Gray · ΔE 49.6
Nearest named CSS colourBlack (#000000)ΔE 13.82, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#230F00
Analogous#002321, #000223
Triadic#230014, #142300
Split complementary#230002, #232100
Tetradic#210023, #230F00, #032300

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#0089EF
Lighter +30%#006BBC
Lighter +20%#004E89
Lighter +10%#003156
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001423
Less saturated −25%#04131F

Channel breakdown

R0
G20
B35
Red0 (0%)
Green20 (7.8%)
Blue35 (13.7%)
Hue205.71°
Saturation (HSL)100%
Lightness6.86%
Dominant channelBlue
Hex per channelR 00 · G 14 · B 23

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Every value on this page was computed from “hex 001423” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.