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Recognised as Colour

#1F4C4E

  • #1F4C4E
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#1F4C4E is a cyan with RGB values 31, 76, 78 and HSL 183°, 43%, 21%. It is a dark colour, so white text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#1F4C4E#1F4C4E
HEX#1F4C4E
RGBrgb(31, 76, 78)
RGB (0–1)0.1216, 0.298, 0.3059
RGB percentages12.2%, 29.8%, 30.6%
HSLhsl(182.6, 43.1%, 21.4%)
HSV / HSBhsv(182.6, 60.3%, 30.6%)
CMYK60.3%, 2.6%, 0%, 69.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,051,150
CSS custom property--colour: #1F4C4E;

Brightness & contrast

Relative luminance0.0601WCAG 2.x, 0 is black and 1 is white
Perceived brightness66.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.54:1
Contrast with white9.54:1WCAG normal text: AAA
Contrast with black2.2:1WCAG normal text: Fail
Greyscale equivalent#434343
Inverted#E0B3B1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#47494Eno red cones; affects about 1% of men; ΔE 15.3 from the original
Deuteranopia#3F434Eno green cones; the most common form, about 1% of men; ΔE 15.8 from the original
Tritanopia#004F4Cno blue cones; rare, and affects men and women equally; ΔE 7.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.54:1WCAG large text: AAA
Contrast with black, large text2.2:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 4.1Dim grey · ΔE 21.8Teal · ΔE 23.7Slate grey · ΔE 26.9Dark cyan · ΔE 28Gray · ΔE 28.8
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 4.06, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4E211F
Analogous#1F4E39, #1F344E
Triadic#4E1F4C, #4C4E1F
Split complementary#4E1F34, #4E391F
Tetradic#391F4E, #4E211F, #344E1F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#72C3C7
Lighter +30%#4EB4B8
Lighter +20%#3C9397
Lighter +10%#2E7072
Darker −10%#10282A
Darker −20%#020505
Darker −30%#000000
Darker −40%#000000
More saturated +25%#11585C
Less saturated −25%#2D4040

Channel breakdown

R31
G76
B78
Red31 (12.2%)
Green76 (29.8%)
Blue78 (30.6%)
Hue182.55°
Saturation (HSL)43.12%
Lightness21.37%
Dominant channelBlue
Hex per channelR 1F · G 4C · B 4E

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Every value on this page was computed from “1f4c4e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.