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Colour

#277F9E

  • #277F9E
  • Cyan
  • Dark
  • Nearest: Steel blue

#277F9E is a cyan with RGB values 39, 127, 158 and HSL 196°, 60%, 39%. It is a dark colour, so black text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#277F9E#277F9E
HEX#277F9E
RGBrgb(39, 127, 158)
RGB (0–1)0.1529, 0.498, 0.6196
RGB percentages15.3%, 49.8%, 62%
HSLhsl(195.6, 60.4%, 38.6%)
HSV / HSBhsv(195.6, 75.3%, 62%)
CMYK75.3%, 19.6%, 0%, 38%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,588,574
CSS custom property--colour: #277F9E;

Brightness & contrast

Relative luminance0.18079WCAG 2.x, 0 is black and 1 is white
Perceived brightness113 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.62:1
Contrast with white4.55:1WCAG normal text: AA
Contrast with black4.62:1WCAG normal text: AA
Greyscale equivalent#6F6F6F
Inverted#D88061

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6E7CA0no red cones; affects about 1% of men; ΔE 19 from the original
Deuteranopia#5E719Eno green cones; the most common form, about 1% of men; ΔE 20.1 from the original
Tritanopia#008889no blue cones; rare, and affects men and women equally; ΔE 20.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.55:1WCAG large text: AAA
Contrast with black, large text4.62:1WCAG large text: AAA

Named colours

Steel blue · ΔE 13.9Slate grey · ΔE 18.8Light slate grey · ΔE 19.2Cadetblue · ΔE 20.8Teal · ΔE 20.9Dark cyan · ΔE 21.8
Nearest named CSS colourSteel blue (#4682B4)ΔE 13.93, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9E4627
Analogous#279E82, #27439E
Triadic#9E277F, #7F9E27
Split complementary#9E2743, #9E8227
Tetradic#82279E, #9E4627, #449E27

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A8D8E9
Lighter +30%#7FC6DF
Lighter +20%#56B4D5
Lighter +10%#31A0C7
Darker −10%#1D5E75
Darker −20%#133D4C
Darker −30%#091C23
Darker −40%#000000
More saturated +25%#0E8BB7
Less saturated −25%#407385

Channel breakdown

R39
G127
B158
Red39 (15.3%)
Green127 (49.8%)
Blue158 (62%)
Hue195.63°
Saturation (HSL)60.41%
Lightness38.63%
Dominant channelBlue
Hex per channelR 27 · G 7F · B 9E

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Every value on this page was computed from “277f9e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.