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Recognised as Colour

#01004A

  • #01004A
  • Blue
  • Dark
  • Nearest: Midnight blue

#01004A is a blue with RGB values 1, 0, 74 and HSL 241°, 100%, 15%. It is a dark colour, so white text on it reaches 19.1:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#01004A#01004A
HEX#01004A
RGBrgb(1, 0, 74)
RGB (0–1)0.0039, 0, 0.2902
RGB percentages0.4%, 0%, 29%
HSLhsl(240.8, 100%, 14.5%)
HSV / HSBhsv(240.8, 100%, 29%)
CMYK98.6%, 100%, 0%, 71%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer65,610
CSS custom property--colour: #01004A;

Brightness & contrast

Relative luminance0.00501WCAG 2.x, 0 is black and 1 is white
Perceived brightness25 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.09:1
Contrast with white19.09:1WCAG normal text: AAA
Contrast with black1.1:1WCAG normal text: Fail
Greyscale equivalent#060606
Inverted#FEFFB5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00144Cno red cones; affects about 1% of men; ΔE 13.6 from the original
Deuteranopia#000B49no green cones; the most common form, about 1% of men; ΔE 7.7 from the original
Tritanopia#001A28no blue cones; rare, and affects men and women equally; ΔE 45.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.09:1WCAG large text: AAA
Contrast with black, large text1.1:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 13.4Dark slateblue · ΔE 26.5Indigo · ΔE 29.3Navy · ΔE 29.6Rebecca purple · ΔE 31.7Dark blue · ΔE 34.8
Nearest named CSS colourMidnight blue (#191970)ΔE 13.38, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#494A00
Analogous#00244A, #26004A
Triadic#4A0100, #004A01
Split complementary#4A2600, #244A00
Tetradic#4A0024, #494A00, #004A26

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#1A17FF
Lighter +30%#0300E3
Lighter +20%#0200B0
Lighter +10%#02007D
Darker −10%#000017
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#01004A
Less saturated −25%#0A0941

Channel breakdown

R1
G0
B74
Red1 (0.4%)
Green0 (0%)
Blue74 (29%)
Hue240.81°
Saturation (HSL)100%
Lightness14.51%
Dominant channelBlue
Hex per channelR 01 · G 00 · B 4A

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Every value on this page was computed from “01004a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.