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Recognised as Colour

#285F75

  • #285F75
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#285F75 is a cyan with RGB values 40, 95, 117 and HSL 197°, 49%, 31%. It is a dark colour, so white text on it reaches 7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#285F75#285F75
HEX#285F75
RGBrgb(40, 95, 117)
RGB (0–1)0.1569, 0.3725, 0.4588
RGB percentages15.7%, 37.3%, 45.9%
HSLhsl(197.1, 49%, 30.8%)
HSV / HSBhsv(197.1, 65.8%, 45.9%)
CMYK65.8%, 18.8%, 0%, 54.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,645,877
CSS custom property--colour: #285F75;

Brightness & contrast

Relative luminance0.0992WCAG 2.x, 0 is black and 1 is white
Perceived brightness85.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.04:1
Contrast with white7.04:1WCAG normal text: AAA
Contrast with black2.98:1WCAG normal text: Fail
Greyscale equivalent#555555
Inverted#D7A08A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#535D76no red cones; affects about 1% of men; ΔE 13.5 from the original
Deuteranopia#495575no green cones; the most common form, about 1% of men; ΔE 14.8 from the original
Tritanopia#006566no blue cones; rare, and affects men and women equally; ΔE 16.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.04:1WCAG large text: AAA
Contrast with black, large text2.98:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 15.5Slate grey · ΔE 18.8Light slate grey · ΔE 21.2Steel blue · ΔE 21.7Dim grey · ΔE 21.8Teal · ΔE 23
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 15.52, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#753E28
Analogous#287564, #283975
Triadic#75285F, #5F7528
Split complementary#752839, #756428
Tetradic#642875, #753E28, #397528

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#90C4D9
Lighter +30%#6AB0CC
Lighter +20%#449CBF
Lighter +10%#357E9B
Darker −10%#1B404F
Darker −20%#0E2129
Darker −30%#010203
Darker −40%#000000
More saturated +25%#146789
Less saturated −25%#3C5761

Channel breakdown

R40
G95
B117
Red40 (15.7%)
Green95 (37.3%)
Blue117 (45.9%)
Hue197.14°
Saturation (HSL)49.04%
Lightness30.78%
Dominant channelBlue
Hex per channelR 28 · G 5F · B 75

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Every value on this page was computed from “285f75” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.