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Recognised as Colour

#275DE4

  • #275DE4
  • Blue
  • Dark
  • Nearest: Royal blue

#275DE4 is a blue with RGB values 39, 93, 228 and HSL 223°, 78%, 52%. It is a dark colour, so white text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#275DE4#275DE4
HEX#275DE4
RGBrgb(39, 93, 228)
RGB (0–1)0.1529, 0.3647, 0.8941
RGB percentages15.3%, 36.5%, 89.4%
HSLhsl(222.9, 77.8%, 52.4%)
HSV / HSBhsv(222.9, 82.9%, 89.4%)
CMYK82.9%, 59.2%, 0%, 10.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,579,940
CSS custom property--colour: #275DE4;

Brightness & contrast

Relative luminance0.13861WCAG 2.x, 0 is black and 1 is white
Perceived brightness107 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.57:1
Contrast with white5.57:1WCAG normal text: AA
Contrast with black3.77:1WCAG normal text: Fail
Greyscale equivalent#5B5B5B
Inverted#D8A21B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0071E8no red cones; affects about 1% of men; ΔE 15.1 from the original
Deuteranopia#0060E1no green cones; the most common form, about 1% of men; ΔE 5 from the original
Tritanopia#008097no blue cones; rare, and affects men and women equally; ΔE 75 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.57:1WCAG large text: AAA
Contrast with black, large text3.77:1WCAG large text: AA

Named colours

Royal blue · ΔE 10.7Medium slateblue · ΔE 14.3Slate blue · ΔE 15.9Medium purple · ΔE 25.9Dodgerblue · ΔE 28.8Rebecca purple · ΔE 30.2
Nearest named CSS colourRoyal blue (#4169E1)ΔE 10.67, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E4AE27
Analogous#27BBE4, #5027E4
Triadic#E4275D, #5DE427
Split complementary#E45027, #BBE427
Tetradic#E427BB, #E4AE27, #27E450

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DCE5FB
Lighter +30%#AFC3F5
Lighter +20%#82A1EF
Lighter +10%#547FEA
Darker −10%#1848C0
Darker −20%#123793
Darker −30%#0D2665
Darker −40%#071538
More saturated +25%#0C51FF
Less saturated −25%#456AC6

Channel breakdown

R39
G93
B228
Red39 (15.3%)
Green93 (36.5%)
Blue228 (89.4%)
Hue222.86°
Saturation (HSL)77.78%
Lightness52.35%
Dominant channelBlue
Hex per channelR 27 · G 5D · B E4

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Every value on this page was computed from “275de4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.