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Recognised as Colour

#1B6054

  • #1B6054
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#1B6054 is a cyan with RGB values 27, 96, 84 and HSL 170°, 56%, 24%. It is a dark colour, so white text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#1B6054#1B6054
HEX#1B6054
RGBrgb(27, 96, 84)
RGB (0–1)0.1059, 0.3765, 0.3294
RGB percentages10.6%, 37.6%, 32.9%
HSLhsl(169.6, 56.1%, 24.1%)
HSV / HSBhsv(169.6, 71.9%, 37.6%)
CMYK71.9%, 0%, 12.5%, 62.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,794,132
CSS custom property--colour: #1B6054;

Brightness & contrast

Relative luminance0.09239WCAG 2.x, 0 is black and 1 is white
Perceived brightness80.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.37:1
Contrast with white7.37:1WCAG normal text: AAA
Contrast with black2.85:1WCAG normal text: Fail
Greyscale equivalent#505050
Inverted#E49FAB

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5C5A54no red cones; affects about 1% of men; ΔE 24.2 from the original
Deuteranopia#525355no green cones; the most common form, about 1% of men; ΔE 24.5 from the original
Tritanopia#00625Cno blue cones; rare, and affects men and women equally; ΔE 4.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.37:1WCAG large text: AAA
Contrast with black, large text2.85:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 14.4Teal · ΔE 15.6Dark cyan · ΔE 19.5Dim grey · ΔE 25.7Cadetblue · ΔE 26.4Sea green · ΔE 29
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 14.37, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#601B27
Analogous#1B6032, #1B4960
Triadic#541B60, #60541B
Split complementary#601B4A, #60321B
Tetradic#321B60, #601B27, #49601B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#70D7C5
Lighter +30%#48CCB5
Lighter +20%#31B09A
Lighter +10%#268877
Darker −10%#103831
Darker −20%#05100E
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0C6F5E
Less saturated −25%#2A514A

Channel breakdown

R27
G96
B84
Red27 (10.6%)
Green96 (37.6%)
Blue84 (32.9%)
Hue169.57°
Saturation (HSL)56.1%
Lightness24.12%
Dominant channelGreen
Hex per channelR 1B · G 60 · B 54

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Every value on this page was computed from “1b6054” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.