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Recognised as Colour

#01837E

  • #01837E
  • Cyan
  • Dark
  • Nearest: Teal

#01837E is a cyan with RGB values 1, 131, 126 and HSL 178°, 98%, 26%. It is a dark colour, so white text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Teal.

Colour values

#01837E#01837E
HEX#01837E
RGBrgb(1, 131, 126)
RGB (0–1)0.0039, 0.5137, 0.4941
RGB percentages0.4%, 51.4%, 49.4%
HSLhsl(177.7, 98.5%, 25.9%)
HSV / HSBhsv(177.7, 99.2%, 51.4%)
CMYK99.2%, 0%, 3.8%, 48.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer99,198
CSS custom property--colour: #01837E;

Brightness & contrast

Relative luminance0.17745WCAG 2.x, 0 is black and 1 is white
Perceived brightness109 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.62:1
Contrast with white4.62:1WCAG normal text: AA
Contrast with black4.55:1WCAG normal text: AA
Greyscale equivalent#676767
Inverted#FE7C81

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7A7B7Eno red cones; affects about 1% of men; ΔE 31.5 from the original
Deuteranopia#6B707Fno green cones; the most common form, about 1% of men; ΔE 32.5 from the original
Tritanopia#008781no blue cones; rare, and affects men and women equally; ΔE 1.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.62:1WCAG large text: AAA
Contrast with black, large text4.55:1WCAG large text: AAA

Named colours

Teal · ΔE 3.4Dark cyan · ΔE 4.3Cadetblue · ΔE 16.5Light seagreen · ΔE 17.9Dark slate grey · ΔE 26.3Sea green · ΔE 27.5
Nearest named CSS colourTeal (#008080)ΔE 3.4, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#830106
Analogous#01833D, #014783
Triadic#7E0183, #837E01
Split complementary#830147, #833D01
Tetradic#3D0183, #830106, #478301

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#52FEF7
Lighter +30%#20FDF5
Lighter +20%#02E8DF
Lighter +10%#01B6AF
Darker −10%#01504D
Darker −20%#001E1D
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00847F
Less saturated −25%#11726F

Channel breakdown

R1
G131
B126
Red1 (0.4%)
Green131 (51.4%)
Blue126 (49.4%)
Hue177.69°
Saturation (HSL)98.48%
Lightness25.88%
Dominant channelGreen
Hex per channelR 01 · G 83 · B 7E

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Every value on this page was computed from “01837e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.