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Colour

#30255E

  • #30255E
  • Blue
  • Dark
  • Nearest: Dark slateblue

#30255E is a blue with RGB values 48, 37, 94 and HSL 252°, 44%, 26%. It is a dark colour, so white text on it reaches 13.5:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#30255E#30255E
HEX#30255E
RGBrgb(48, 37, 94)
RGB (0–1)0.1882, 0.1451, 0.3686
RGB percentages18.8%, 14.5%, 36.9%
HSLhsl(251.6, 43.5%, 25.7%)
HSV / HSBhsv(251.6, 60.6%, 36.9%)
CMYK48.9%, 60.6%, 0%, 63.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,155,294
CSS custom property--colour: #30255E;

Brightness & contrast

Relative luminance0.0276WCAG 2.x, 0 is black and 1 is white
Perceived brightness50 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.53:1
Contrast with white13.53:1WCAG normal text: AAA
Contrast with black1.55:1WCAG normal text: Fail
Greyscale equivalent#2B2B2B
Inverted#CFDAA1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#033060no red cones; affects about 1% of men; ΔE 14.8 from the original
Deuteranopia#042D5Dno green cones; the most common form, about 1% of men; ΔE 13.9 from the original
Tritanopia#22323Dno blue cones; rare, and affects men and women equally; ΔE 33.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.53:1WCAG large text: AAA
Contrast with black, large text1.55:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 15.9Midnight blue · ΔE 20.2Rebecca purple · ΔE 29.5Indigo · ΔE 36.8Purple · ΔE 39.3Slate blue · ΔE 39.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 15.91, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#535E25
Analogous#25375E, #4D255E
Triadic#5E3025, #255E30
Split complementary#5E4D25, #375E25
Tetradic#5E2537, #535E25, #255E4D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9081CE
Lighter +30%#705DBF
Lighter +20%#5542A7
Lighter +10%#433383
Darker −10%#1D1739
Darker −20%#0B0815
Darker −30%#000000
Darker −40%#000000
More saturated +25%#26156E
Less saturated −25%#3A354E

Channel breakdown

R48
G37
B94
Red48 (18.8%)
Green37 (14.5%)
Blue94 (36.9%)
Hue251.58°
Saturation (HSL)43.51%
Lightness25.69%
Dominant channelBlue
Hex per channelR 30 · G 25 · B 5E

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Every value on this page was computed from “30255e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.