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Recognised as Colour

#01739F

  • #01739F
  • Cyan
  • Dark
  • Nearest: Steel blue

#01739F is a cyan with RGB values 1, 115, 159 and HSL 197°, 99%, 31%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#01739F#01739F
HEX#01739F
RGBrgb(1, 115, 159)
RGB (0–1)0.0039, 0.451, 0.6235
RGB percentages0.4%, 45.1%, 62.4%
HSLhsl(196.7, 98.8%, 31.4%)
HSV / HSBhsv(196.7, 99.4%, 62.4%)
CMYK99.4%, 27.7%, 0%, 37.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer95,135
CSS custom property--colour: #01739F;

Brightness & contrast

Relative luminance0.14771WCAG 2.x, 0 is black and 1 is white
Perceived brightness103.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.31:1
Contrast with white5.31:1WCAG normal text: AA
Contrast with black3.95:1WCAG normal text: Fail
Greyscale equivalent#5E5E5E
Inverted#FE8C60

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5D72A1no red cones; affects about 1% of men; ΔE 16.2 from the original
Deuteranopia#4A669Eno green cones; the most common form, about 1% of men; ΔE 17.4 from the original
Tritanopia#007F82no blue cones; rare, and affects men and women equally; ΔE 27.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.31:1WCAG large text: AAA
Contrast with black, large text3.95:1WCAG large text: AA

Named colours

Steel blue · ΔE 9.8Slate grey · ΔE 23.6Light slate grey · ΔE 24.3Teal · ΔE 29.3Cadetblue · ΔE 30Deep skyblue · ΔE 30.3
Nearest named CSS colourSteel blue (#4682B4)ΔE 9.8, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9F2D01
Analogous#019F7C, #01249F
Triadic#9F0173, #739F01
Split complementary#9F0124, #9F7C01
Tetradic#7C019F, #9F2D01, #249F01

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6ED6FE
Lighter +30%#3BC8FE
Lighter +20%#09B9FD
Lighter +10%#0198D2
Darker −10%#014E6C
Darker −20%#002A3A
Darker −30%#000507
Darker −40%#000000
More saturated +25%#0073A0
Less saturated −25%#156A8B

Channel breakdown

R1
G115
B159
Red1 (0.4%)
Green115 (45.1%)
Blue159 (62.4%)
Hue196.71°
Saturation (HSL)98.75%
Lightness31.37%
Dominant channelBlue
Hex per channelR 01 · G 73 · B 9F

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Every value on this page was computed from “01739f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.