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Recognised as Colour

#02447F

  • #02447F
  • Blue
  • Dark
  • Nearest: Dark slateblue

#02447F is a blue with RGB values 2, 68, 127 and HSL 208°, 97%, 25%. It is a dark colour, so white text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#02447F#02447F
HEX#02447F
RGBrgb(2, 68, 127)
RGB (0–1)0.0078, 0.2667, 0.498
RGB percentages0.8%, 26.7%, 49.8%
HSLhsl(208.3, 96.9%, 25.3%)
HSV / HSBhsv(208.3, 98.4%, 49.8%)
CMYK98.4%, 46.5%, 0%, 50.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer148,607
CSS custom property--colour: #02447F;

Brightness & contrast

Relative luminance0.05679WCAG 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 9.83:1
Contrast with white9.83:1WCAG normal text: AAA
Contrast with black2.14:1WCAG normal text: Fail
Greyscale equivalent#3A3A3A
Inverted#FDBB80

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#244981no red cones; affects about 1% of men; ΔE 4 from the original
Deuteranopia#053F7Eno green cones; the most common form, about 1% of men; ΔE 4.1 from the original
Tritanopia#00525Bno blue cones; rare, and affects men and women equally; ΔE 36.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.83:1WCAG large text: AAA
Contrast with black, large text2.14:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 20.5Steel blue · ΔE 26.7Midnight blue · ΔE 30.8Cornflower blue · ΔE 35.2Slate grey · ΔE 37.8Rebecca purple · ΔE 38.1
Nearest named CSS colourDark slateblue (#483D8B)ΔE 20.48, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7F3D02
Analogous#027F7B, #02067F
Triadic#7F0244, #447F02
Split complementary#7F0206, #7F7B02
Tetradic#7B027F, #7F3D02, #057F02

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#51ABFC
Lighter +30%#1F93FB
Lighter +20%#047AE3
Lighter +10%#035FB1
Darker −10%#01294D
Darker −20%#000E1B
Darker −30%#000000
Darker −40%#000000
More saturated +25%#004481
Less saturated −25%#12436F

Channel breakdown

R2
G68
B127
Red2 (0.8%)
Green68 (26.7%)
Blue127 (49.8%)
Hue208.32°
Saturation (HSL)96.9%
Lightness25.29%
Dominant channelBlue
Hex per channelR 02 · G 44 · B 7F

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Every value on this page was computed from “02447f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.