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Recognised as Colour

#4277C3

  • #4277C3
  • Blue
  • Dark
  • Nearest: Cornflower blue

#4277C3 is a blue with RGB values 66, 119, 195 and HSL 215°, 52%, 51%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#4277C3#4277C3
HEX#4277C3
RGBrgb(66, 119, 195)
RGB (0–1)0.2588, 0.4667, 0.7647
RGB percentages25.9%, 46.7%, 76.5%
HSLhsl(215.3, 51.8%, 51.2%)
HSV / HSBhsv(215.3, 66.2%, 76.5%)
CMYK66.2%, 39%, 0%, 23.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,356,035
CSS custom property--colour: #4277C3;

Brightness & contrast

Relative luminance0.18292WCAG 2.x, 0 is black and 1 is white
Perceived brightness118.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.66:1
Contrast with white4.51:1WCAG normal text: AA
Contrast with black4.66:1WCAG normal text: AA
Greyscale equivalent#717171
Inverted#BD883C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#557DC6no red cones; affects about 1% of men; ΔE 4 from the original
Deuteranopia#4271C1no green cones; the most common form, about 1% of men; ΔE 3.9 from the original
Tritanopia#008893no blue cones; rare, and affects men and women equally; ΔE 45.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.51:1WCAG large text: AAA
Contrast with black, large text4.66:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 13.1Steel blue · ΔE 17.1Dodgerblue · ΔE 21Dark slateblue · ΔE 27.1Royal blue · ΔE 28.1Medium purple · ΔE 30.7
Nearest named CSS colourCornflower blue (#6495ED)ΔE 13.06, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C38E42
Analogous#42B7C3, #4E42C3
Triadic#C34277, #77C342
Split complementary#C34E42, #B7C342
Tetradic#C342B7, #C38E42, #42C34E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DDE6F4
Lighter +30%#B6CBE8
Lighter +20%#8FAFDC
Lighter +10%#6993CF
Darker −10%#335F9F
Darker −20%#264879
Darker −30%#1A3152
Darker −40%#0E1A2B
More saturated +25%#2371E2
Less saturated −25%#617DA4

Channel breakdown

R66
G119
B195
Red66 (25.9%)
Green119 (46.7%)
Blue195 (76.5%)
Hue215.35°
Saturation (HSL)51.81%
Lightness51.18%
Dominant channelBlue
Hex per channelR 42 · G 77 · B C3

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Every value on this page was computed from “4277c3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.