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Colour

#00284C

  • #00284C
  • Blue
  • Dark
  • Nearest: Black

#00284C is a blue with RGB values 0, 40, 76 and HSL 208°, 100%, 15%. It is a dark colour, so white text on it reaches 14.9:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#00284C#00284C
HEX#00284C
RGBrgb(0, 40, 76)
RGB (0–1)0, 0.1569, 0.298
RGB percentages0%, 15.7%, 29.8%
HSLhsl(208.4, 100%, 14.9%)
HSV / HSBhsv(208.4, 100%, 29.8%)
CMYK100%, 47.4%, 0%, 70.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,316
CSS custom property--colour: #00284C;

Brightness & contrast

Relative luminance0.02039WCAG 2.x, 0 is black and 1 is white
Perceived brightness40 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.92:1
Contrast with white14.92:1WCAG normal text: AAA
Contrast with black1.41:1WCAG normal text: Fail
Greyscale equivalent#222222
Inverted#FFD7B3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#152B4Dno red cones; affects about 1% of men; ΔE 3.3 from the original
Deuteranopia#06244Bno green cones; the most common form, about 1% of men; ΔE 3.8 from the original
Tritanopia#003136no blue cones; rare, and affects men and women equally; ΔE 24.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.92:1WCAG large text: AAA
Contrast with black, large text1.41:1WCAG large text: Fail

Named colours

Black · ΔE 30.5Dark slate grey · ΔE 30.8Dark slateblue · ΔE 32Midnight blue · ΔE 37.3Steel blue · ΔE 37.9Dim grey · ΔE 38.8
Nearest named CSS colourBlack (#000000)ΔE 30.45, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4C2400
Analogous#004C4A, #00024C
Triadic#4C0028, #284C00
Split complementary#4C0002, #4C4A00
Tetradic#4A004C, #4C2400, #024C00

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#1992FF
Lighter +30%#0079E5
Lighter +20%#005EB2
Lighter +10%#00437F
Darker −10%#000D19
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00284C
Less saturated −25%#0A2742

Channel breakdown

R0
G40
B76
Red0 (0%)
Green40 (15.7%)
Blue76 (29.8%)
Hue208.42°
Saturation (HSL)100%
Lightness14.9%
Dominant channelBlue
Hex per channelR 00 · G 28 · B 4C

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Every value on this page was computed from “00284c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.