Nerdulator> put something in

Recognised as Colour

#400C39

  • #400C39
  • Magenta
  • Dark
  • Nearest: Dark slateblue

#400C39 is a magenta with RGB values 64, 12, 57 and HSL 308°, 68%, 15%. It is a dark colour, so white text on it reaches 15.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#400C39#400C39
HEX#400C39
RGBrgb(64, 12, 57)
RGB (0–1)0.251, 0.0471, 0.2235
RGB percentages25.1%, 4.7%, 22.4%
HSLhsl(308.1, 68.4%, 14.9%)
HSV / HSBhsv(308.1, 81.3%, 25.1%)
CMYK0%, 81.2%, 10.9%, 74.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,197,433
CSS custom property--colour: #400C39;

Brightness & contrast

Relative luminance0.01648WCAG 2.x, 0 is black and 1 is white
Perceived brightness41 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.79:1
Contrast with white15.79:1WCAG normal text: AAA
Contrast with black1.33:1WCAG normal text: Fail
Greyscale equivalent#1A1A1A
Inverted#BFF3C6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0B1E3Ano red cones; affects about 1% of men; ΔE 27.1 from the original
Deuteranopia#1E2538no green cones; the most common form, about 1% of men; ΔE 27.7 from the original
Tritanopia#431121no blue cones; rare, and affects men and women equally; ΔE 18.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text15.79:1WCAG large text: AAA
Contrast with black, large text1.33:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 31.8Midnight blue · ΔE 33.9Black · ΔE 36.9Purple · ΔE 38.8Rebecca purple · ΔE 38.9Indigo · ΔE 43.7
Nearest named CSS colourDark slateblue (#483D8B)ΔE 31.82, a distinctly different colour
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0C4013
Analogous#2D0C40, #400C1F
Triadic#39400C, #0C3940
Split complementary#1F400C, #0C402D
Tetradic#402D0C, #0C4013, #0C1F40

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DB3DC5
Lighter +30%#C124AC
Lighter +20%#961C85
Lighter +10%#6B145F
Darker −10%#150413
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#4A0240
Less saturated −25%#371632

Channel breakdown

R64
G12
B57
Red64 (25.1%)
Green12 (4.7%)
Blue57 (22.4%)
Hue308.08°
Saturation (HSL)68.42%
Lightness14.9%
Dominant channelRed
Hex per channelR 40 · G 0C · B 39

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 “400c39” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.