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Recognised as Colour

#345C57

  • #345C57
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#345C57 is a cyan with RGB values 52, 92, 87 and HSL 173°, 28%, 28%. It is a dark colour, so white text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#345C57#345C57
HEX#345C57
RGBrgb(52, 92, 87)
RGB (0–1)0.2039, 0.3608, 0.3412
RGB percentages20.4%, 36.1%, 34.1%
HSLhsl(172.5, 27.8%, 28.2%)
HSV / HSBhsv(172.5, 43.5%, 36.1%)
CMYK43.5%, 0%, 5.4%, 63.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,431,511
CSS custom property--colour: #345C57;

Brightness & contrast

Relative luminance0.09072WCAG 2.x, 0 is black and 1 is white
Perceived brightness81.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.46:1
Contrast with white7.46:1WCAG normal text: AAA
Contrast with black2.81:1WCAG normal text: Fail
Greyscale equivalent#535353
Inverted#CBA3A8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#585857no red cones; affects about 1% of men; ΔE 15.4 from the original
Deuteranopia#515358no green cones; the most common form, about 1% of men; ΔE 15.9 from the original
Tritanopia#245E5Ano blue cones; rare, and affects men and women equally; ΔE 4.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.46:1WCAG large text: AAA
Contrast with black, large text2.81:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 6.5Dim grey · ΔE 17.6Teal · ΔE 19.4Slate grey · ΔE 23.2Dark cyan · ΔE 23.3Gray · ΔE 23.4
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 6.51, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5C3439
Analogous#345C43, #344D5C
Triadic#57345C, #5C5734
Split complementary#5C344D, #5C4334
Tetradic#43345C, #5C3439, #4D5C34

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#98C5BF
Lighter +30%#77B2AB
Lighter +20%#599D95
Lighter +10%#467D76
Darker −10%#223B38
Darker −20%#0F1B19
Darker −30%#000000
Darker −40%#000000
More saturated +25%#226E65
Less saturated −25%#464A4A

Channel breakdown

R52
G92
B87
Red52 (20.4%)
Green92 (36.1%)
Blue87 (34.1%)
Hue172.5°
Saturation (HSL)27.78%
Lightness28.24%
Dominant channelGreen
Hex per channelR 34 · G 5C · B 57

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Every value on this page was computed from “345c57” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.