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Colour

#00225C

  • #00225C
  • Blue
  • Dark
  • Nearest: Dark slateblue

#00225C is a blue with RGB values 0, 34, 92 and HSL 218°, 100%, 18%. It is a dark colour, so white text on it reaches 15.2:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#00225C#00225C
HEX#00225C
RGBrgb(0, 34, 92)
RGB (0–1)0, 0.1333, 0.3608
RGB percentages0%, 13.3%, 36.1%
HSLhsl(217.8, 100%, 18%)
HSV / HSBhsv(217.8, 100%, 36.1%)
CMYK100%, 63%, 0%, 63.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,796
CSS custom property--colour: #00225C;

Brightness & contrast

Relative luminance0.01917WCAG 2.x, 0 is black and 1 is white
Perceived brightness40.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.18:1
Contrast with white15.18:1WCAG normal text: AAA
Contrast with black1.38:1WCAG normal text: Fail
Greyscale equivalent#1F1F1F
Inverted#FFDDA3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002A5Eno red cones; affects about 1% of men; ΔE 6.6 from the original
Deuteranopia#00225Bno green cones; the most common form, about 1% of men; ΔE 0.7 from the original
Tritanopia#00313Bno blue cones; rare, and affects men and women equally; ΔE 37.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.18:1WCAG large text: AAA
Contrast with black, large text1.38:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 19.8Midnight blue · ΔE 20.5Rebecca purple · ΔE 34.4Indigo · ΔE 40.2Slate blue · ΔE 42Navy · ΔE 42.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 19.77, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5C3A00
Analogous#00505C, #0C005C
Triadic#5C0022, #225C00
Split complementary#5C0C00, #505C00
Tetradic#5C0050, #5C3A00, #005C0C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#2978FF
Lighter +30%#005BF5
Lighter +20%#0048C2
Lighter +10%#00358F
Darker −10%#000F29
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00225C
Less saturated −25%#0C2551

Channel breakdown

R0
G34
B92
Red0 (0%)
Green34 (13.3%)
Blue92 (36.1%)
Hue217.83°
Saturation (HSL)100%
Lightness18.04%
Dominant channelBlue
Hex per channelR 00 · G 22 · B 5C

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Every value on this page was computed from “00225c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.