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Colour

#02284E

  • #02284E
  • Blue
  • Dark
  • Nearest: Dark slateblue

#02284E is a blue with RGB values 2, 40, 78 and HSL 210°, 95%, 16%. It is a dark colour, so white text on it reaches 14.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#02284E#02284E
HEX#02284E
RGBrgb(2, 40, 78)
RGB (0–1)0.0078, 0.1569, 0.3059
RGB percentages0.8%, 15.7%, 30.6%
HSLhsl(210, 95%, 15.7%)
HSV / HSBhsv(210, 97.4%, 30.6%)
CMYK97.4%, 48.7%, 0%, 69.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer141,390
CSS custom property--colour: #02284E;

Brightness & contrast

Relative luminance0.02081WCAG 2.x, 0 is black and 1 is white
Perceived brightness40.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.83:1
Contrast with white14.83:1WCAG normal text: AAA
Contrast with black1.42:1WCAG normal text: Fail
Greyscale equivalent#232323
Inverted#FDD7B1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#142B4Fno red cones; affects about 1% of men; ΔE 2.9 from the original
Deuteranopia#04244Dno green cones; the most common form, about 1% of men; ΔE 3.5 from the original
Tritanopia#003137no blue cones; rare, and affects men and women equally; ΔE 25.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.83:1WCAG large text: AAA
Contrast with black, large text1.42:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 30.6Black · ΔE 31.6Dark slate grey · ΔE 32Midnight blue · ΔE 35.7Steel blue · ΔE 37.8Dim grey · ΔE 39.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 30.57, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4E2802
Analogous#024E4E, #02024E
Triadic#4E0228, #284E02
Split complementary#4E0202, #4E4E02
Tetradic#4E024E, #4E2802, #024E02

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#238EF9
Lighter +30%#0675E3
Lighter +20%#055BB1
Lighter +10%#034280
Darker −10%#010E1C
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#002850
Less saturated −25%#0C2844

Channel breakdown

R2
G40
B78
Red2 (0.8%)
Green40 (15.7%)
Blue78 (30.6%)
Hue210°
Saturation (HSL)95%
Lightness15.69%
Dominant channelBlue
Hex per channelR 02 · G 28 · B 4E

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Every value on this page was computed from “02284e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.