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Recognised as Colour

#024280

  • #024280
  • Blue
  • Dark
  • Nearest: Dark slateblue

#024280 is a blue with RGB values 2, 66, 128 and HSL 210°, 97%, 25%. It is a dark colour, so white text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#024280#024280
HEX#024280
RGBrgb(2, 66, 128)
RGB (0–1)0.0078, 0.2588, 0.502
RGB percentages0.8%, 25.9%, 50.2%
HSLhsl(209.5, 96.9%, 25.5%)
HSV / HSBhsv(209.5, 98.4%, 50.2%)
CMYK98.4%, 48.4%, 0%, 49.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer148,096
CSS custom property--colour: #024280;

Brightness & contrast

Relative luminance0.05468WCAG 2.x, 0 is black and 1 is white
Perceived brightness66.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.03:1
Contrast with white10.03:1WCAG normal text: AAA
Contrast with black2.09:1WCAG normal text: Fail
Greyscale equivalent#393939
Inverted#FDBD7F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1E4882no red cones; affects about 1% of men; ΔE 4.1 from the original
Deuteranopia#003D7Fno green cones; the most common form, about 1% of men; ΔE 4 from the original
Tritanopia#00515Ano blue cones; rare, and affects men and women equally; ΔE 38.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.03:1WCAG large text: AAA
Contrast with black, large text2.09:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 18.5Steel blue · ΔE 28.3Midnight blue · ΔE 28.5Cornflower blue · ΔE 35.2Rebecca purple · ΔE 36.1Royal blue · ΔE 37
Nearest named CSS colourDark slateblue (#483D8B)ΔE 18.54, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#804002
Analogous#02807F, #020380
Triadic#800242, #428002
Split complementary#800203, #807F02
Tetradic#7F0280, #804002, #038002

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#52A8FC
Lighter +30%#1F8FFC
Lighter +20%#0476E4
Lighter +10%#035CB2
Darker −10%#01284E
Darker −20%#000E1C
Darker −30%#000000
Darker −40%#000000
More saturated +25%#004282
Less saturated −25%#124270

Channel breakdown

R2
G66
B128
Red2 (0.8%)
Green66 (25.9%)
Blue128 (50.2%)
Hue209.52°
Saturation (HSL)96.92%
Lightness25.49%
Dominant channelBlue
Hex per channelR 02 · G 42 · B 80

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Every value on this page was computed from “hex 024280” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.