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Colour

#1C6B9F

  • #1C6B9F
  • Blue
  • Dark
  • Nearest: Steel blue

#1C6B9F is a blue with RGB values 28, 107, 159 and HSL 204°, 70%, 37%. It is a dark colour, so white text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#1C6B9F#1C6B9F
HEX#1C6B9F
RGBrgb(28, 107, 159)
RGB (0–1)0.1098, 0.4196, 0.6235
RGB percentages11%, 42%, 62.4%
HSLhsl(203.8, 70.1%, 36.7%)
HSV / HSBhsv(203.8, 82.4%, 62.4%)
CMYK82.4%, 32.7%, 0%, 37.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,862,559
CSS custom property--colour: #1C6B9F;

Brightness & contrast

Relative luminance0.13265WCAG 2.x, 0 is black and 1 is white
Perceived brightness99.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.75:1
Contrast with white5.75:1WCAG normal text: AA
Contrast with black3.65:1WCAG normal text: Fail
Greyscale equivalent#5E5E5E
Inverted#E39460

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#536CA1no red cones; affects about 1% of men; ΔE 10.9 from the original
Deuteranopia#40619Eno green cones; the most common form, about 1% of men; ΔE 11.9 from the original
Tritanopia#00787Eno blue cones; rare, and affects men and women equally; ΔE 31.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.75:1WCAG large text: AAA
Contrast with black, large text3.65:1WCAG large text: AA

Named colours

Steel blue · ΔE 9.6Slate grey · ΔE 26Light slate grey · ΔE 26.8Cornflower blue · ΔE 27.4Deep skyblue · ΔE 33.3Dark slateblue · ΔE 33.5
Nearest named CSS colourSteel blue (#4682B4)ΔE 9.63, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9F501C
Analogous#1C9F92, #1C299F
Triadic#9F1C6B, #6B9F1C
Split complementary#9F1C29, #9F921C
Tetradic#921C9F, #9F501C, #299F1C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9ACCED
Lighter +30%#6EB6E6
Lighter +20%#43A0DE
Lighter +10%#2488CA
Darker −10%#144E74
Darker −20%#0D3148
Darker −30%#05131D
Darker −40%#000000
More saturated +25%#0570B6
Less saturated −25%#336688

Channel breakdown

R28
G107
B159
Red28 (11%)
Green107 (42%)
Blue159 (62.4%)
Hue203.82°
Saturation (HSL)70.05%
Lightness36.67%
Dominant channelBlue
Hex per channelR 1C · G 6B · B 9F

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Every value on this page was computed from “1c6b9f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.