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Recognised as Colour

#018FBC

  • #018FBC
  • Cyan
  • Dark
  • Nearest: Steel blue

#018FBC is a cyan with RGB values 1, 143, 188 and HSL 194°, 99%, 37%. It is a dark colour, so black text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#018FBC#018FBC
HEX#018FBC
RGBrgb(1, 143, 188)
RGB (0–1)0.0039, 0.5608, 0.7373
RGB percentages0.4%, 56.1%, 73.7%
HSLhsl(194.4, 98.9%, 37.1%)
HSV / HSBhsv(194.4, 99.5%, 73.7%)
CMYK99.5%, 23.9%, 0%, 26.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer102,332
CSS custom property--colour: #018FBC;

Brightness & contrast

Relative luminance0.23282WCAG 2.x, 0 is black and 1 is white
Perceived brightness126.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.66:1
Contrast with white3.71:1WCAG normal text: Fail
Contrast with black5.66:1WCAG normal text: AA
Greyscale equivalent#747474
Inverted#FE7043

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#778DBEno red cones; affects about 1% of men; ΔE 20.8 from the original
Deuteranopia#627EBBno green cones; the most common form, about 1% of men; ΔE 22.8 from the original
Tritanopia#009B9Eno blue cones; rare, and affects men and women equally; ΔE 26.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.71:1WCAG large text: AA
Contrast with black, large text5.66:1WCAG large text: AAA

Named colours

Steel blue · ΔE 12Deep skyblue · ΔE 20.1Light skyblue · ΔE 25.1Light slate grey · ΔE 25.2Slate grey · ΔE 25.8Cadetblue · ΔE 25.9
Nearest named CSS colourSteel blue (#4682B4)ΔE 11.98, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BC2E01
Analogous#01BC8C, #0131BC
Triadic#BC018F, #8FBC01
Split complementary#BC0131, #BC8C01
Tetradic#8C01BC, #BC2E01, #31BC01

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8BE3FE
Lighter +30%#58D6FE
Lighter +20%#25CAFE
Lighter +10%#01B6EF
Darker −10%#016889
Darker −20%#004257
Darker −30%#001B24
Darker −40%#000000
More saturated +25%#0090BD
Less saturated −25%#1983A4

Channel breakdown

R1
G143
B188
Red1 (0.4%)
Green143 (56.1%)
Blue188 (73.7%)
Hue194.44°
Saturation (HSL)98.94%
Lightness37.06%
Dominant channelBlue
Hex per channelR 01 · G 8F · B BC

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Every value on this page was computed from “018fbc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.