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Recognised as Colour

#312A30

  • #312A30
  • Near-black
  • Dark
  • Nearest: Black

#312A30 is a near-black with RGB values 49, 42, 48 and HSL 309°, 8%, 18%. It is a dark colour, so white text on it reaches 14:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#312A30#312A30
HEX#312A30
RGBrgb(49, 42, 48)
RGB (0–1)0.1922, 0.1647, 0.1882
RGB percentages19.2%, 16.5%, 18.8%
HSLhsl(308.6, 7.7%, 17.8%)
HSV / HSBhsv(308.6, 14.3%, 19.2%)
CMYK0%, 14.3%, 2%, 80.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,222,064
CSS custom property--colour: #312A30;

Brightness & contrast

Relative luminance0.02522WCAG 2.x, 0 is black and 1 is white
Perceived brightness44.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.96:1
Contrast with white13.96:1WCAG normal text: AAA
Contrast with black1.5:1WCAG normal text: Fail
Greyscale equivalent#2C2C2C
Inverted#CED5CF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2A2B30no red cones; affects about 1% of men; ΔE 3.8 from the original
Deuteranopia#2B2C30no green cones; the most common form, about 1% of men; ΔE 4 from the original
Tritanopia#322A2Cno blue cones; rare, and affects men and women equally; ΔE 2.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.96:1WCAG large text: AAA
Contrast with black, large text1.5:1WCAG large text: Fail

Named colours

Black · ΔE 18.8Dark slate grey · ΔE 21Dim grey · ΔE 26.9Gray · ΔE 36Slate grey · ΔE 36.3Light slate grey · ΔE 39.4
Nearest named CSS colourBlack (#000000)ΔE 18.78, a distinctly different colour
Hue familynear-black
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2A312B
Analogous#2F2A31, #312A2C
Triadic#30312A, #2A3031
Split complementary#2D312A, #2A312F
Tetradic#312F2A, #2A312B, #2A2C31

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9C8B99
Lighter +30%#837181
Lighter +20%#685966
Lighter +10%#4C424B
Darker −10%#161215
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#3C1F38
Less saturated −25%#2E2E2E

Channel breakdown

R49
G42
B48
Red49 (19.2%)
Green42 (16.5%)
Blue48 (18.8%)
Hue308.57°
Saturation (HSL)7.69%
Lightness17.84%
Dominant channelRed
Hex per channelR 31 · G 2A · B 30

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Every value on this page was computed from “312a30” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.