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Colour

#223F48

  • #223F48
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#223F48 is a cyan with RGB values 34, 63, 72 and HSL 194°, 36%, 21%. It is a dark colour, so white text on it reaches 11.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#223F48#223F48
HEX#223F48
RGBrgb(34, 63, 72)
RGB (0–1)0.1333, 0.2471, 0.2824
RGB percentages13.3%, 24.7%, 28.2%
HSLhsl(194.2, 35.8%, 20.8%)
HSV / HSBhsv(194.2, 52.8%, 28.2%)
CMYK52.8%, 12.5%, 0%, 71.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,244,424
CSS custom property--colour: #223F48;

Brightness & contrast

Relative luminance0.04363WCAG 2.x, 0 is black and 1 is white
Perceived brightness57.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.21:1
Contrast with white11.21:1WCAG normal text: AAA
Contrast with black1.87:1WCAG normal text: Fail
Greyscale equivalent#393939
Inverted#DDC0B7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#393D49no red cones; affects about 1% of men; ΔE 9.5 from the original
Deuteranopia#343948no green cones; the most common form, about 1% of men; ΔE 10 from the original
Tritanopia#0F4242no blue cones; rare, and affects men and women equally; ΔE 9.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.21:1WCAG large text: AAA
Contrast with black, large text1.87:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 9Dim grey · ΔE 22.9Black · ΔE 27.6Slate grey · ΔE 28.7Gray · ΔE 31.1Teal · ΔE 31.4
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 9.03, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#482B22
Analogous#22483E, #222C48
Triadic#48223F, #3F4822
Split complementary#48222C, #483E22
Tetradic#3E2248, #482B22, #2C4822

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#77AEBF
Lighter +30%#5599AE
Lighter +20%#437C8D
Lighter +10%#325D6B
Darker −10%#122125
Darker −20%#010203
Darker −30%#000000
Darker −40%#000000
More saturated +25%#154655
Less saturated −25%#2F383B

Channel breakdown

R34
G63
B72
Red34 (13.3%)
Green63 (24.7%)
Blue72 (28.2%)
Hue194.21°
Saturation (HSL)35.85%
Lightness20.78%
Dominant channelBlue
Hex per channelR 22 · G 3F · B 48

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Every value on this page was computed from “223f48” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.