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Recognised as Colour

#016991

  • #016991
  • Cyan
  • Dark
  • Nearest: Steel blue

#016991 is a cyan with RGB values 1, 105, 145 and HSL 197°, 99%, 29%. It is a dark colour, so white text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#016991#016991
HEX#016991
RGBrgb(1, 105, 145)
RGB (0–1)0.0039, 0.4118, 0.5686
RGB percentages0.4%, 41.2%, 56.9%
HSLhsl(196.7, 98.6%, 28.6%)
HSV / HSBhsv(196.7, 99.3%, 56.9%)
CMYK99.3%, 27.6%, 0%, 43.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer92,561
CSS custom property--colour: #016991;

Brightness & contrast

Relative luminance0.12154WCAG 2.x, 0 is black and 1 is white
Perceived brightness94.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.12:1
Contrast with white6.12:1WCAG normal text: AA
Contrast with black3.43:1WCAG normal text: Fail
Greyscale equivalent#565656
Inverted#FE966E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#556893no red cones; affects about 1% of men; ΔE 15.4 from the original
Deuteranopia#445D90no green cones; the most common form, about 1% of men; ΔE 16.5 from the original
Tritanopia#007477no blue cones; rare, and affects men and women equally; ΔE 25.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.12:1WCAG large text: AAA
Contrast with black, large text3.43:1WCAG large text: AA

Named colours

Steel blue · ΔE 13Slate grey · ΔE 23.1Light slate grey · ΔE 24.4Dark slate grey · ΔE 27.3Teal · ΔE 28.5Dark cyan · ΔE 30.5
Nearest named CSS colourSteel blue (#4682B4)ΔE 13.02, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#912901
Analogous#019171, #012191
Triadic#910169, #699101
Split complementary#910121, #917101
Tetradic#710191, #912901, #219101

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#60D2FE
Lighter +30%#2DC4FE
Lighter +20%#02B2F6
Lighter +10%#018EC4
Darker −10%#01445E
Darker −20%#00202C
Darker −30%#000000
Darker −40%#000000
More saturated +25%#006992
Less saturated −25%#13617F

Channel breakdown

R1
G105
B145
Red1 (0.4%)
Green105 (41.2%)
Blue145 (56.9%)
Hue196.67°
Saturation (HSL)98.63%
Lightness28.63%
Dominant channelBlue
Hex per channelR 01 · G 69 · B 91

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Every value on this page was computed from “hex 016991” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.