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Recognised as Colour

#1E3137

  • #1E3137
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#1E3137 is a cyan with RGB values 30, 49, 55 and HSL 194°, 29%, 17%. It is a dark colour, so white text on it reaches 13.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#1E3137#1E3137
HEX#1E3137
RGBrgb(30, 49, 55)
RGB (0–1)0.1176, 0.1922, 0.2157
RGB percentages11.8%, 19.2%, 21.6%
HSLhsl(194.4, 29.4%, 16.7%)
HSV / HSBhsv(194.4, 45.5%, 21.6%)
CMYK45.5%, 10.9%, 0%, 78.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,978,679
CSS custom property--colour: #1E3137;

Brightness & contrast

Relative luminance0.02748WCAG 2.x, 0 is black and 1 is white
Perceived brightness45 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.55:1
Contrast with white13.55:1WCAG normal text: AAA
Contrast with black1.55:1WCAG normal text: Fail
Greyscale equivalent#2D2D2D
Inverted#E1CEC8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2D3037no red cones; affects about 1% of men; ΔE 6.5 from the original
Deuteranopia#292D37no green cones; the most common form, about 1% of men; ΔE 6.8 from the original
Tritanopia#143333no blue cones; rare, and affects men and women equally; ΔE 6.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.55:1WCAG large text: AAA
Contrast with black, large text1.55:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 13.8Black · ΔE 20.8Dim grey · ΔE 26.8Slate grey · ΔE 34.3Gray · ΔE 35.6Teal · ΔE 37.3
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 13.84, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#37241E
Analogous#1E3731, #1E2537
Triadic#371E31, #31371E
Split complementary#371E25, #37311E
Tetradic#301E37, #37241E, #25371E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#70A1B1
Lighter +30%#54899A
Lighter +20%#426C79
Lighter +10%#304E58
Darker −10%#0C1416
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#133742
Less saturated −25%#292B2C

Channel breakdown

R30
G49
B55
Red30 (11.8%)
Green49 (19.2%)
Blue55 (21.6%)
Hue194.4°
Saturation (HSL)29.41%
Lightness16.67%
Dominant channelBlue
Hex per channelR 1E · G 31 · B 37

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Every value on this page was computed from “1e3137” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.