Nerdulator> put something in

Recognised as Colour

#63394D

  • #63394D
  • Red
  • Dark
  • Nearest: Dim grey

#63394D is a red with RGB values 99, 57, 77 and HSL 331°, 27%, 31%. It is a dark colour, so white text on it reaches 9.4:1 contrast (AAA for normal text). The nearest named colour is Dim grey.

Colour values

#63394D#63394D
HEX#63394D
RGBrgb(99, 57, 77)
RGB (0–1)0.3882, 0.2235, 0.302
RGB percentages38.8%, 22.4%, 30.2%
HSLhsl(331.4, 26.9%, 30.6%)
HSV / HSBhsv(331.4, 42.4%, 38.8%)
CMYK0%, 42.4%, 22.2%, 61.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,502,733
CSS custom property--colour: #63394D;

Brightness & contrast

Relative luminance0.06115WCAG 2.x, 0 is black and 1 is white
Perceived brightness74.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.45:1
Contrast with white9.45:1WCAG normal text: AAA
Contrast with black2.22:1WCAG normal text: Fail
Greyscale equivalent#434343
Inverted#9CC6B2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3D424Eno red cones; affects about 1% of men; ΔE 21.1 from the original
Deuteranopia#48494Cno green cones; the most common form, about 1% of men; ΔE 21.6 from the original
Tritanopia#693840no blue cones; rare, and affects men and women equally; ΔE 9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.45:1WCAG large text: AAA
Contrast with black, large text2.22:1WCAG large text: Fail

Named colours

Dim grey · ΔE 26.5Gray · ΔE 32.5Dark slate grey · ΔE 33.4Slate grey · ΔE 33.8Rosy brown · ΔE 35.9Light slate grey · ΔE 36.1
Nearest named CSS colourDim grey (#696969)ΔE 26.52, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#39634F
Analogous#633962, #633A39
Triadic#4D6339, #394D63
Split complementary#39633A, #396263
Tetradic#626339, #39634F, #3A3963

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C8A0B3
Lighter +30%#B67F99
Lighter +20%#A35F7F
Lighter +10%#834C66
Darker −10%#432634
Darker −20%#22141B
Darker −30%#020101
Darker −40%#000000
More saturated +25%#77264C
Less saturated −25%#504D4E

Channel breakdown

R99
G57
B77
Red99 (38.8%)
Green57 (22.4%)
Blue77 (30.2%)
Hue331.43°
Saturation (HSL)26.92%
Lightness30.59%
Dominant channelRed
Hex per channelR 63 · G 39 · B 4D

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 “63394d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.