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Recognised as Colour

#00689B

  • #00689B
  • Cyan
  • Dark
  • Nearest: Steel blue

#00689B is a cyan with RGB values 0, 104, 155 and HSL 200°, 100%, 30%. 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

#00689B#00689B
HEX#00689B
RGBrgb(0, 104, 155)
RGB (0–1)0, 0.4078, 0.6078
RGB percentages0%, 40.8%, 60.8%
HSLhsl(199.7, 100%, 30.4%)
HSV / HSBhsv(199.7, 100%, 60.8%)
CMYK100%, 32.9%, 0%, 39.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer26,779
CSS custom property--colour: #00689B;

Brightness & contrast

Relative luminance0.12267WCAG 2.x, 0 is black and 1 is white
Perceived brightness95.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.08:1
Contrast with white6.08:1WCAG normal text: AA
Contrast with black3.45:1WCAG normal text: Fail
Greyscale equivalent#565656
Inverted#FF9764

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4F699Dno red cones; affects about 1% of men; ΔE 12.1 from the original
Deuteranopia#3B5D9Ano green cones; the most common form, about 1% of men; ΔE 13.5 from the original
Tritanopia#00757Ano blue cones; rare, and affects men and women equally; ΔE 31.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.08:1WCAG large text: AAA
Contrast with black, large text3.45:1WCAG large text: AA

Named colours

Steel blue · ΔE 11.2Slate grey · ΔE 26.8Light slate grey · ΔE 27.8Cornflower blue · ΔE 29.2Dark slate grey · ΔE 33.2Deep skyblue · ΔE 34
Nearest named CSS colourSteel blue (#4682B4)ΔE 11.24, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9B3300
Analogous#009B81, #001A9B
Triadic#9B0068, #689B00
Split complementary#9B001A, #9B8100
Tetradic#81009B, #9B3300, #1A9B00

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#68CDFF
Lighter +30%#35BDFF
Lighter +20%#02ACFF
Lighter +10%#008ACE
Darker −10%#004668
Darker −20%#002435
Darker −30%#000102
Darker −40%#000000
More saturated +25%#00689B
Less saturated −25%#136188

Channel breakdown

R0
G104
B155
Red0 (0%)
Green104 (40.8%)
Blue155 (60.8%)
Hue199.74°
Saturation (HSL)100%
Lightness30.39%
Dominant channelBlue
Hex per channelR 00 · G 68 · B 9B

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Every value on this page was computed from “00689b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.