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Recognised as Colour

#30312D

  • #30312D
  • Near-black
  • Dark
  • Nearest: Dark slate grey

#30312D is a near-black with RGB values 48, 49, 45 and HSL 75°, 4%, 18%. It is a dark colour, so white text on it reaches 13.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#30312D#30312D
HEX#30312D
RGBrgb(48, 49, 45)
RGB (0–1)0.1882, 0.1922, 0.1765
RGB percentages18.8%, 19.2%, 17.6%
HSLhsl(75, 4.3%, 18.4%)
HSV / HSBhsv(75, 8.2%, 19.2%)
CMYK2%, 0%, 8.2%, 80.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,158,317
CSS custom property--colour: #30312D;

Brightness & contrast

Relative luminance0.03014WCAG 2.x, 0 is black and 1 is white
Perceived brightness48.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.1:1
Contrast with white13.1:1WCAG normal text: AAA
Contrast with black1.6:1WCAG normal text: Fail
Greyscale equivalent#303030
Inverted#CFCED2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#32312Dno red cones; affects about 1% of men; ΔE 1 from the original
Deuteranopia#32312Dno green cones; the most common form, about 1% of men; ΔE 1 from the original
Tritanopia#303130no blue cones; rare, and affects men and women equally; ΔE 2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.1:1WCAG large text: AAA
Contrast with black, large text1.6:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 16.4Black · ΔE 20.3Dim grey · ΔE 24.5Gray · ΔE 33.6Slate grey · ΔE 35.2Light slate grey · ΔE 38.3
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 16.41, a distinctly different colour
Hue familynear-black
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2E2D31
Analogous#31302D, #2E312D
Triadic#2D3031, #312D30
Split complementary#2D2E31, #302D31
Tetradic#2D3130, #2E2D31, #312D2E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#979A90
Lighter +30%#7E8176
Lighter +20%#64665E
Lighter +10%#4A4C45
Darker −10%#161615
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#363D21
Less saturated −25%#2F2F2F

Channel breakdown

R48
G49
B45
Red48 (18.8%)
Green49 (19.2%)
Blue45 (17.6%)
Hue75°
Saturation (HSL)4.26%
Lightness18.43%
Dominant channelGreen
Hex per channelR 30 · G 31 · B 2D

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Every value on this page was computed from “30312d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.