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Recognised as Colour

#213C45

  • #213C45
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#213C45 is a cyan with RGB values 33, 60, 69 and HSL 195°, 35%, 20%. It is a dark colour, so white text on it reaches 11.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#213C45#213C45
HEX#213C45
RGBrgb(33, 60, 69)
RGB (0–1)0.1294, 0.2353, 0.2706
RGB percentages12.9%, 23.5%, 27.1%
HSLhsl(195, 35.3%, 20%)
HSV / HSBhsv(195, 52.2%, 27.1%)
CMYK52.2%, 13%, 0%, 72.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,178,117
CSS custom property--colour: #213C45;

Brightness & contrast

Relative luminance0.03985WCAG 2.x, 0 is black and 1 is white
Perceived brightness54.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.69:1
Contrast with white11.69:1WCAG normal text: AAA
Contrast with black1.8:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#DEC3BA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#373B45no red cones; affects about 1% of men; ΔE 8.6 from the original
Deuteranopia#313645no green cones; the most common form, about 1% of men; ΔE 9.4 from the original
Tritanopia#103F3Fno blue cones; rare, and affects men and women equally; ΔE 8.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.69:1WCAG large text: AAA
Contrast with black, large text1.8:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 10.1Dim grey · ΔE 23.7Black · ΔE 26.2Slate grey · ΔE 29.7Gray · ΔE 32.1Teal · ΔE 32.7
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 10.11, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#452A21
Analogous#21453C, #212A45
Triadic#45213C, #3C4521
Split complementary#45212A, #453C21
Tetradic#3C2145, #452A21, #2A4521

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#75ABBD
Lighter +30%#5396AC
Lighter +20%#42788A
Lighter +10%#325A67
Darker −10%#111E22
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#144252
Less saturated −25%#2E3638

Channel breakdown

R33
G60
B69
Red33 (12.9%)
Green60 (23.5%)
Blue69 (27.1%)
Hue195°
Saturation (HSL)35.29%
Lightness20%
Dominant channelBlue
Hex per channelR 21 · G 3C · B 45

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Every value on this page was computed from “213c45” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.