Nerdulator> put something in

Recognised as Colour

#312D70

  • #312D70
  • Blue
  • Dark
  • Nearest: Dark slateblue

#312D70 is a blue with RGB values 49, 45, 112 and HSL 244°, 43%, 31%. It is a dark colour, so white text on it reaches 12.1:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#312D70#312D70
HEX#312D70
RGBrgb(49, 45, 112)
RGB (0–1)0.1922, 0.1765, 0.4392
RGB percentages19.2%, 17.6%, 43.9%
HSLhsl(243.6, 42.7%, 30.8%)
HSV / HSBhsv(243.6, 59.8%, 43.9%)
CMYK56.3%, 59.8%, 0%, 56.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,222,896
CSS custom property--colour: #312D70;

Brightness & contrast

Relative luminance0.037WCAG 2.x, 0 is black and 1 is white
Perceived brightness57.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.07:1
Contrast with white12.07:1WCAG normal text: AAA
Contrast with black1.74:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#CED28F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003872no red cones; affects about 1% of men; ΔE 13.8 from the original
Deuteranopia#00346Fno green cones; the most common form, about 1% of men; ΔE 12.2 from the original
Tritanopia#153D49no blue cones; rare, and affects men and women equally; ΔE 41.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.07:1WCAG large text: AAA
Contrast with black, large text1.74:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 9.7Midnight blue · ΔE 16.1Rebecca purple · ΔE 24.6Slate blue · ΔE 32.8Indigo · ΔE 33Royal blue · ΔE 37
Nearest named CSS colourDark slateblue (#483D8B)ΔE 9.71, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6C702D
Analogous#2D4A70, #532D70
Triadic#70312D, #2D7031
Split complementary#70532D, #4A702D
Tetradic#702D4A, #6C702D, #2D7053

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9995D4
Lighter +30%#7570C6
Lighter +20%#524CB7
Lighter +10%#413C94
Darker −10%#211E4C
Darker −20%#111027
Darker −30%#010103
Darker −40%#000000
More saturated +25%#201984
Less saturated −25%#42415C

Channel breakdown

R49
G45
B112
Red49 (19.2%)
Green45 (17.6%)
Blue112 (43.9%)
Hue243.58°
Saturation (HSL)42.68%
Lightness30.78%
Dominant channelBlue
Hex per channelR 31 · G 2D · B 70

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “312d70” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.