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Colour

#04005C

  • #04005C
  • Blue
  • Dark
  • Nearest: Midnight blue

#04005C is a blue with RGB values 4, 0, 92 and HSL 243°, 100%, 18%. It is a dark colour, so white text on it reaches 18.1:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#04005C#04005C
HEX#04005C
RGBrgb(4, 0, 92)
RGB (0–1)0.0157, 0, 0.3608
RGB percentages1.6%, 0%, 36.1%
HSLhsl(242.6, 100%, 18%)
HSV / HSBhsv(242.6, 100%, 36.1%)
CMYK95.7%, 100%, 0%, 63.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer262,236
CSS custom property--colour: #04005C;

Brightness & contrast

Relative luminance0.00799WCAG 2.x, 0 is black and 1 is white
Perceived brightness31.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.11:1
Contrast with white18.11:1WCAG normal text: AAA
Contrast with black1.16:1WCAG normal text: Fail
Greyscale equivalent#070707
Inverted#FBFFA3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001B5Eno red cones; affects about 1% of men; ΔE 19.4 from the original
Deuteranopia#00115Bno green cones; the most common form, about 1% of men; ΔE 12.4 from the original
Tritanopia#002233no blue cones; rare, and affects men and women equally; ΔE 55.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text18.11:1WCAG large text: AAA
Contrast with black, large text1.16:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 10.5Navy · ΔE 18.1Indigo · ΔE 19.5Dark blue · ΔE 23.3Rebecca purple · ΔE 26.5Dark slateblue · ΔE 27.7
Nearest named CSS colourMidnight blue (#191970)ΔE 10.5, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#585C00
Analogous#002A5C, #32005C
Triadic#5C0400, #005C04
Split complementary#5C3200, #2A5C00
Tetradic#5C002A, #585C00, #005C32

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3229FF
Lighter +30%#0B00F5
Lighter +20%#0800C2
Lighter +10%#06008F
Darker −10%#020029
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#04005C
Less saturated −25%#0F0C51

Channel breakdown

R4
G0
B92
Red4 (1.6%)
Green0 (0%)
Blue92 (36.1%)
Hue242.61°
Saturation (HSL)100%
Lightness18.04%
Dominant channelBlue
Hex per channelR 04 · G 00 · B 5C

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Every value on this page was computed from “04005c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.