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Colour

#00448D

  • #00448D
  • Blue
  • Dark
  • Nearest: Dark slateblue

#00448D is a blue with RGB values 0, 68, 141 and HSL 211°, 100%, 28%. It is a dark colour, so white text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#00448D#00448D
HEX#00448D
RGBrgb(0, 68, 141)
RGB (0–1)0, 0.2667, 0.5529
RGB percentages0%, 26.7%, 55.3%
HSLhsl(211.1, 100%, 27.6%)
HSV / HSBhsv(211.1, 100%, 55.3%)
CMYK100%, 51.8%, 0%, 44.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer17,549
CSS custom property--colour: #00448D;

Brightness & contrast

Relative luminance0.06057WCAG 2.x, 0 is black and 1 is white
Perceived brightness70.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.5:1
Contrast with white9.5:1WCAG normal text: AAA
Contrast with black2.21:1WCAG normal text: Fail
Greyscale equivalent#3B3B3B
Inverted#FFBB72

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#124C90no red cones; affects about 1% of men; ΔE 5.2 from the original
Deuteranopia#00408Cno green cones; the most common form, about 1% of men; ΔE 3.1 from the original
Tritanopia#005662no blue cones; rare, and affects men and women equally; ΔE 43.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.5:1WCAG large text: AAA
Contrast with black, large text2.21:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 14.6Midnight blue · ΔE 24.4Royal blue · ΔE 30.5Steel blue · ΔE 31Rebecca purple · ΔE 31.2Slate blue · ΔE 31.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 14.57, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8D4900
Analogous#008B8D, #02008D
Triadic#8D0044, #448D00
Split complementary#8D0300, #8B8D00
Tetradic#8D008B, #8D4900, #008D03

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5AAAFF
Lighter +30%#278FFF
Lighter +20%#0075F3
Lighter +10%#005DC0
Darker −10%#002B5A
Darker −20%#001327
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00448D
Less saturated −25%#12457B

Channel breakdown

R0
G68
B141
Red0 (0%)
Green68 (26.7%)
Blue141 (55.3%)
Hue211.06°
Saturation (HSL)100%
Lightness27.65%
Dominant channelBlue
Hex per channelR 00 · G 44 · B 8D

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Every value on this page was computed from “00448d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.