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Recognised as Colour

#263D43

  • #263D43
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#263D43 is a cyan with RGB values 38, 61, 67 and HSL 192°, 28%, 21%. It is a dark colour, so white text on it reaches 11.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#263D43#263D43
HEX#263D43
RGBrgb(38, 61, 67)
RGB (0–1)0.149, 0.2392, 0.2627
RGB percentages14.9%, 23.9%, 26.3%
HSLhsl(192.4, 27.6%, 20.6%)
HSV / HSBhsv(192.4, 43.3%, 26.3%)
CMYK43.3%, 9%, 0%, 73.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,506,051
CSS custom property--colour: #263D43;

Brightness & contrast

Relative luminance0.04155WCAG 2.x, 0 is black and 1 is white
Perceived brightness55.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.47:1
Contrast with white11.47:1WCAG normal text: AAA
Contrast with black1.83:1WCAG normal text: Fail
Greyscale equivalent#393939
Inverted#D9C2BC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#393C43no red cones; affects about 1% of men; ΔE 7.9 from the original
Deuteranopia#343843no green cones; the most common form, about 1% of men; ΔE 8.3 from the original
Tritanopia#1B3F3Fno blue cones; rare, and affects men and women equally; ΔE 6.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.47:1WCAG large text: AAA
Contrast with black, large text1.83:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 8.9Dim grey · ΔE 22.4Black · ΔE 26Slate grey · ΔE 29.4Gray · ΔE 31Light slate grey · ΔE 32.4
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 8.89, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#432C26
Analogous#26433A, #262F43
Triadic#43263D, #3D4326
Split complementary#43262F, #433A26
Tetradic#3B2643, #432C26, #2F4326

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7FABB6
Lighter +30%#5E95A4
Lighter +20%#4B7884
Lighter +10%#385B64
Darker −10%#141F22
Darker −20%#010202
Darker −30%#000000
Darker −40%#000000
More saturated +25%#194550
Less saturated −25%#333536

Channel breakdown

R38
G61
B67
Red38 (14.9%)
Green61 (23.9%)
Blue67 (26.3%)
Hue192.41°
Saturation (HSL)27.62%
Lightness20.59%
Dominant channelBlue
Hex per channelR 26 · G 3D · B 43

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Every value on this page was computed from “263d43” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.