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Colour

#01004D

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

#01004D is a blue with RGB values 1, 0, 77 and HSL 241°, 100%, 15%. It is a dark colour, so white text on it reaches 18.9:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#01004D#01004D
HEX#01004D
RGBrgb(1, 0, 77)
RGB (0–1)0.0039, 0, 0.302
RGB percentages0.4%, 0%, 30.2%
HSLhsl(240.8, 100%, 15.1%)
HSV / HSBhsv(240.8, 100%, 30.2%)
CMYK98.7%, 100%, 0%, 69.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer65,613
CSS custom property--colour: #01004D;

Brightness & contrast

Relative luminance0.00542WCAG 2.x, 0 is black and 1 is white
Perceived brightness26 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.95:1
Contrast with white18.95:1WCAG normal text: AAA
Contrast with black1.11:1WCAG normal text: Fail
Greyscale equivalent#060606
Inverted#FEFFB2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00154Fno red cones; affects about 1% of men; ΔE 14.7 from the original
Deuteranopia#000C4Cno green cones; the most common form, about 1% of men; ΔE 8.5 from the original
Tritanopia#001B29no blue cones; rare, and affects men and women equally; ΔE 47.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.95:1WCAG large text: AAA
Contrast with black, large text1.11:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 12.2Dark slateblue · ΔE 26.5Indigo · ΔE 27.4Navy · ΔE 27.4Rebecca purple · ΔE 30.5Dark blue · ΔE 32.7
Nearest named CSS colourMidnight blue (#191970)ΔE 12.18, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4C4D00
Analogous#00254D, #28004D
Triadic#4D0100, #004D01
Split complementary#4D2800, #254D00
Tetradic#4D0025, #4C4D00, #004D28

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#1D1AFF
Lighter +30%#0300E6
Lighter +20%#0200B3
Lighter +10%#020080
Darker −10%#00001A
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#01004D
Less saturated −25%#0A0A43

Channel breakdown

R1
G0
B77
Red1 (0.4%)
Green0 (0%)
Blue77 (30.2%)
Hue240.78°
Saturation (HSL)100%
Lightness15.1%
Dominant channelBlue
Hex per channelR 01 · G 00 · B 4D

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