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Colour

#2B6367

  • #2B6367
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#2B6367 is a cyan with RGB values 43, 99, 103 and HSL 184°, 41%, 29%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2B6367#2B6367
HEX#2B6367
RGBrgb(43, 99, 103)
RGB (0–1)0.1686, 0.3882, 0.4039
RGB percentages16.9%, 38.8%, 40.4%
HSLhsl(184, 41.1%, 28.6%)
HSV / HSBhsv(184, 58.3%, 40.4%)
CMYK58.3%, 3.9%, 0%, 59.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,843,495
CSS custom property--colour: #2B6367;

Brightness & contrast

Relative luminance0.10417WCAG 2.x, 0 is black and 1 is white
Perceived brightness86.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.81:1
Contrast with white6.81:1WCAG normal text: AA
Contrast with black3.08:1WCAG normal text: Fail
Greyscale equivalent#575757
Inverted#D49C98

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5C5F67no red cones; affects about 1% of men; ΔE 17.9 from the original
Deuteranopia#525867no green cones; the most common form, about 1% of men; ΔE 18.3 from the original
Tritanopia#006764no blue cones; rare, and affects men and women equally; ΔE 9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.81:1WCAG large text: AAA
Contrast with black, large text3.08:1WCAG large text: AA

Named colours

Dark slate grey · ΔE 9.9Teal · ΔE 15.3Dark cyan · ΔE 19.3Dim grey · ΔE 19.6Slate grey · ΔE 20.8Cadetblue · ΔE 22.7
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 9.93, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#672F2B
Analogous#2B674D, #2B4567
Triadic#672B63, #63672B
Split complementary#672B45, #674D2B
Tetradic#4D2B67, #672F2B, #45672B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8ECBD0
Lighter +30%#6ABBC1
Lighter +20%#49A8AF
Lighter +10%#3A868B
Darker −10%#1C4043
Darker −20%#0D1E1F
Darker −30%#000000
Darker −40%#000000
More saturated +25%#197379
Less saturated −25%#3D5355

Channel breakdown

R43
G99
B103
Red43 (16.9%)
Green99 (38.8%)
Blue103 (40.4%)
Hue184°
Saturation (HSL)41.1%
Lightness28.63%
Dominant channelBlue
Hex per channelR 2B · G 63 · B 67

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Every value on this page was computed from “2b6367” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.