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Recognised as Colour

#1F2D30

  • #1F2D30
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#1F2D30 is a cyan with RGB values 31, 45, 48 and HSL 191°, 22%, 15%. It is a dark colour, so white text on it reaches 14.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#1F2D30#1F2D30
HEX#1F2D30
RGBrgb(31, 45, 48)
RGB (0–1)0.1216, 0.1765, 0.1882
RGB percentages12.2%, 17.6%, 18.8%
HSLhsl(190.6, 21.5%, 15.5%)
HSV / HSBhsv(190.6, 35.4%, 18.8%)
CMYK35.4%, 6.2%, 0%, 81.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,043,184
CSS custom property--colour: #1F2D30;

Brightness & contrast

Relative luminance0.02381WCAG 2.x, 0 is black and 1 is white
Perceived brightness41.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.22:1
Contrast with white14.22:1WCAG normal text: AAA
Contrast with black1.48:1WCAG normal text: Fail
Greyscale equivalent#2A2A2A
Inverted#E0D2CF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2B2C30no red cones; affects about 1% of men; ΔE 5.7 from the original
Deuteranopia#282A30no green cones; the most common form, about 1% of men; ΔE 5.7 from the original
Tritanopia#192E2Eno blue cones; rare, and affects men and women equally; ΔE 3.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.22:1WCAG large text: AAA
Contrast with black, large text1.48:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 15.4Black · ΔE 18.5Dim grey · ΔE 27.8Slate grey · ΔE 36.2Gray · ΔE 36.8Teal · ΔE 39.3
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 15.44, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#30221F
Analogous#1F302A, #1F2530
Triadic#301F2D, #2D301F
Split complementary#301F25, #302B1F
Tetradic#2A1F30, #30221F, #25301F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#759DA6
Lighter +30%#5B848D
Lighter +20%#47676E
Lighter +10%#334A4F
Darker −10%#0B1011
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#15333A
Less saturated −25%#282828

Channel breakdown

R31
G45
B48
Red31 (12.2%)
Green45 (17.6%)
Blue48 (18.8%)
Hue190.59°
Saturation (HSL)21.52%
Lightness15.49%
Dominant channelBlue
Hex per channelR 1F · G 2D · B 30

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Every value on this page was computed from “1f2d30” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.