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Recognised as Colour

#024187

  • #024187
  • Blue
  • Dark
  • Nearest: Dark slateblue

#024187 is a blue with RGB values 2, 65, 135 and HSL 212°, 97%, 27%. 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

#024187#024187
HEX#024187
RGBrgb(2, 65, 135)
RGB (0–1)0.0078, 0.2549, 0.5294
RGB percentages0.8%, 25.5%, 52.9%
HSLhsl(211.6, 97.1%, 26.9%)
HSV / HSBhsv(211.6, 98.5%, 52.9%)
CMYK98.5%, 51.9%, 0%, 47.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer147,847
CSS custom property--colour: #024187;

Brightness & contrast

Relative luminance0.05543WCAG 2.x, 0 is black and 1 is white
Perceived brightness67.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.96:1
Contrast with white9.96:1WCAG normal text: AAA
Contrast with black2.11:1WCAG normal text: Fail
Greyscale equivalent#393939
Inverted#FDBE78

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#12488Ano red cones; affects about 1% of men; ΔE 4.4 from the original
Deuteranopia#003D86no green cones; the most common form, about 1% of men; ΔE 3 from the original
Tritanopia#00525Dno blue cones; rare, and affects men and women equally; ΔE 42.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.96:1WCAG large text: AAA
Contrast with black, large text2.11:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 14.8Midnight blue · ΔE 24.3Steel blue · ΔE 31.2Rebecca purple · ΔE 31.8Royal blue · ΔE 32.4Slate blue · ΔE 32.9
Nearest named CSS colourDark slateblue (#483D8B)ΔE 14.82, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#874802
Analogous#028487, #050287
Triadic#870241, #418702
Split complementary#870502, #848702
Tetradic#870284, #874802, #028705

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#58A6FD
Lighter +30%#268BFC
Lighter +20%#0371EC
Lighter +10%#0359B9
Darker −10%#012955
Darker −20%#011122
Darker −30%#000000
Darker −40%#000000
More saturated +25%#004189
Less saturated −25%#134276

Channel breakdown

R2
G65
B135
Red2 (0.8%)
Green65 (25.5%)
Blue135 (52.9%)
Hue211.58°
Saturation (HSL)97.08%
Lightness26.86%
Dominant channelBlue
Hex per channelR 02 · G 41 · B 87

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Every value on this page was computed from “hex 024187” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.