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Colour

#121E1F

  • #121E1F
  • Cyan
  • Dark
  • Nearest: Black

#121E1F is a cyan with RGB values 18, 30, 31 and HSL 185°, 27%, 10%. It is a dark colour, so white text on it reaches 17.1:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#121E1F#121E1F
HEX#121E1F
RGBrgb(18, 30, 31)
RGB (0–1)0.0706, 0.1176, 0.1216
RGB percentages7.1%, 11.8%, 12.2%
HSLhsl(184.6, 26.5%, 9.6%)
HSV / HSBhsv(184.6, 41.9%, 12.2%)
CMYK41.9%, 3.2%, 0%, 87.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,187,359
CSS custom property--colour: #121E1F;

Brightness & contrast

Relative luminance0.01156WCAG 2.x, 0 is black and 1 is white
Perceived brightness27.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.06:1
Contrast with white17.06:1WCAG normal text: AAA
Contrast with black1.23:1WCAG normal text: Fail
Greyscale equivalent#1C1C1C
Inverted#EDE1E0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1C1D1Fno red cones; affects about 1% of men; ΔE 5.1 from the original
Deuteranopia#1A1B1Fno green cones; the most common form, about 1% of men; ΔE 5.6 from the original
Tritanopia#0D1F1Eno blue cones; rare, and affects men and women equally; ΔE 2.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.06:1WCAG large text: AAA
Contrast with black, large text1.23:1WCAG large text: Fail

Named colours

Black · ΔE 11.6Dark slate grey · ΔE 22.1Dim grey · ΔE 34.6Slate grey · ΔE 43.5Gray · ΔE 43.7Teal · ΔE 45.3
Nearest named CSS colourBlack (#000000)ΔE 11.61, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1F1312
Analogous#121F19, #12181F
Triadic#1F121E, #1E1F12
Split complementary#1F1218, #1F1912
Tetradic#19121F, #1F1312, #181F12

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5D9BA0
Lighter +30%#4A7C80
Lighter +20%#375C60
Lighter +10%#253D3F
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0C2325
Less saturated −25%#181919

Channel breakdown

R18
G30
B31
Red18 (7.1%)
Green30 (11.8%)
Blue31 (12.2%)
Hue184.62°
Saturation (HSL)26.53%
Lightness9.61%
Dominant channelBlue
Hex per channelR 12 · G 1E · B 1F

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Every value on this page was computed from “121e1f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.