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Recognised as Colour

#30445C

  • #30445C
  • Blue
  • Dark
  • Nearest: Dark slate grey

#30445C is a blue with RGB values 48, 68, 92 and HSL 213°, 31%, 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 slate grey.

Colour values

#30445C#30445C
HEX#30445C
RGBrgb(48, 68, 92)
RGB (0–1)0.1882, 0.2667, 0.3608
RGB percentages18.8%, 26.7%, 36.1%
HSLhsl(212.7, 31.4%, 27.5%)
HSV / HSBhsv(212.7, 47.8%, 36.1%)
CMYK47.8%, 26.1%, 0%, 63.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,163,228
CSS custom property--colour: #30445C;

Brightness & contrast

Relative luminance0.05535WCAG 2.x, 0 is black and 1 is white
Perceived brightness66.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.97:1
Contrast with white9.97:1WCAG normal text: AAA
Contrast with black2.11:1WCAG normal text: Fail
Greyscale equivalent#414141
Inverted#CFBBA3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3B455Dno red cones; affects about 1% of men; ΔE 3.5 from the original
Deuteranopia#35415Cno green cones; the most common form, about 1% of men; ΔE 3.7 from the original
Tritanopia#1F494Cno blue cones; rare, and affects men and women equally; ΔE 16.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.97:1WCAG large text: AAA
Contrast with black, large text2.11:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 17.4Dim grey · ΔE 23.3Slate grey · ΔE 25.4Light slate grey · ΔE 28.3Steel blue · ΔE 29Gray · ΔE 30.4
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 17.4, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5C4830
Analogous#305A5C, #32305C
Triadic#5C3044, #445C30
Split complementary#5C3230, #5A5C30
Tetradic#5C305A, #5C4830, #305C32

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#92AAC6
Lighter +30%#708FB5
Lighter +20%#53769F
Lighter +10%#415D7E
Darker −10%#1F2B3A
Darker −20%#0D1219
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1F426E
Less saturated −25%#42464B

Channel breakdown

R48
G68
B92
Red48 (18.8%)
Green68 (26.7%)
Blue92 (36.1%)
Hue212.73°
Saturation (HSL)31.43%
Lightness27.45%
Dominant channelBlue
Hex per channelR 30 · G 44 · B 5C

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Every value on this page was computed from “30445c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.