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Recognised as Colour

#30364D

  • #30364D
  • Blue
  • Dark
  • Nearest: Dark slate grey

#30364D is a blue with RGB values 48, 54, 77 and HSL 228°, 23%, 25%. It is a dark colour, so white text on it reaches 11.9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#30364D#30364D
HEX#30364D
RGBrgb(48, 54, 77)
RGB (0–1)0.1882, 0.2118, 0.302
RGB percentages18.8%, 21.2%, 30.2%
HSLhsl(227.6, 23.2%, 24.5%)
HSV / HSBhsv(227.6, 37.7%, 30.2%)
CMYK37.7%, 29.9%, 0%, 69.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,159,629
CSS custom property--colour: #30364D;

Brightness & contrast

Relative luminance0.03803WCAG 2.x, 0 is black and 1 is white
Perceived brightness55.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.93:1
Contrast with white11.93:1WCAG normal text: AAA
Contrast with black1.76:1WCAG normal text: Fail
Greyscale equivalent#363636
Inverted#CFC9B2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2F384Eno red cones; affects about 1% of men; ΔE 1.5 from the original
Deuteranopia#2C364Cno green cones; the most common form, about 1% of men; ΔE 1.7 from the original
Tritanopia#283A3Eno blue cones; rare, and affects men and women equally; ΔE 14.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.93:1WCAG large text: AAA
Contrast with black, large text1.76:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 21Dim grey · ΔE 26.4Black · ΔE 27.7Slate grey · ΔE 30.8Light slate grey · ΔE 33.7Gray · ΔE 34.3
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 20.97, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4D4730
Analogous#30444D, #39304D
Triadic#4D3036, #364D30
Split complementary#4D3930, #444D30
Tetradic#4D3045, #4D4730, #304D39

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9098B9
Lighter +30%#707BA6
Lighter +20%#57628C
Lighter +10%#444C6C
Darker −10%#1C202E
Darker −20%#090A0E
Darker −30%#000000
Darker −40%#000000
More saturated +25%#202D5D
Less saturated −25%#3F3F3F

Channel breakdown

R48
G54
B77
Red48 (18.8%)
Green54 (21.2%)
Blue77 (30.2%)
Hue227.59°
Saturation (HSL)23.2%
Lightness24.51%
Dominant channelBlue
Hex per channelR 30 · G 36 · B 4D

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Every value on this page was computed from “30364d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.