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Recognised as Colour

#023F43

  • #023F43
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#023F43 is a cyan with RGB values 2, 63, 67 and HSL 184°, 94%, 14%. 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

#023F43#023F43
HEX#023F43
RGBrgb(2, 63, 67)
RGB (0–1)0.0078, 0.2471, 0.2627
RGB percentages0.8%, 24.7%, 26.3%
HSLhsl(183.7, 94.2%, 13.5%)
HSV / HSBhsv(183.7, 97%, 26.3%)
CMYK97%, 6%, 0%, 73.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer147,267
CSS custom property--colour: #023F43;

Brightness & contrast

Relative luminance0.03973WCAG 2.x, 0 is black and 1 is white
Perceived brightness53.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.7:1
Contrast with white11.7:1WCAG normal text: AAA
Contrast with black1.79:1WCAG normal text: Fail
Greyscale equivalent#323232
Inverted#FDC0BC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#393C43no red cones; affects about 1% of men; ΔE 16.7 from the original
Deuteranopia#313643no green cones; the most common form, about 1% of men; ΔE 17.3 from the original
Tritanopia#004240no 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 text11.7:1WCAG large text: AAA
Contrast with black, large text1.79:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 9.5Dim grey · ΔE 27.3Teal · ΔE 27.9Black · ΔE 29.4Dark cyan · ΔE 32.2Slate grey · ΔE 32.5
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 9.55, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#430602
Analogous#024326, #021F43
Triadic#43023F, #3F4302
Split complementary#43021F, #432602
Tetradic#260243, #430602, #1F4302

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#19EAF8
Lighter +30%#06CBD8
Lighter +20%#059CA6
Lighter +10%#036E75
Darker −10%#011011
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#004145
Less saturated −25%#0B373A

Channel breakdown

R2
G63
B67
Red2 (0.8%)
Green63 (24.7%)
Blue67 (26.3%)
Hue183.69°
Saturation (HSL)94.2%
Lightness13.53%
Dominant channelBlue
Hex per channelR 02 · G 3F · B 43

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Every value on this page was computed from “023f43” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.