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Recognised as Colour

#276CCF

  • #276CCF
  • Blue
  • Dark
  • Nearest: Royal blue

#276CCF is a blue with RGB values 39, 108, 207 and HSL 215°, 68%, 48%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#276CCF#276CCF
HEX#276CCF
RGBrgb(39, 108, 207)
RGB (0–1)0.1529, 0.4235, 0.8118
RGB percentages15.3%, 42.4%, 81.2%
HSLhsl(215.4, 68.3%, 48.2%)
HSV / HSBhsv(215.4, 81.2%, 81.2%)
CMYK81.2%, 47.8%, 0%, 18.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,583,759
CSS custom property--colour: #276CCF;

Brightness & contrast

Relative luminance0.15661WCAG 2.x, 0 is black and 1 is white
Perceived brightness110.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.08:1
Contrast with white5.08:1WCAG normal text: AA
Contrast with black4.13:1WCAG normal text: Fail
Greyscale equivalent#646464
Inverted#D89330

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3376D3no red cones; affects about 1% of men; ΔE 5.9 from the original
Deuteranopia#0067CDno green cones; the most common form, about 1% of men; ΔE 3.2 from the original
Tritanopia#008493no blue cones; rare, and affects men and women equally; ΔE 56.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.08:1WCAG large text: AAA
Contrast with black, large text4.13:1WCAG large text: AA

Named colours

Royal blue · ΔE 14.2Dodgerblue · ΔE 15Cornflower blue · ΔE 18.1Slate blue · ΔE 21.4Dark slateblue · ΔE 24.6Medium purple · ΔE 24.7
Nearest named CSS colourRoyal blue (#4169E1)ΔE 14.15, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CF8A27
Analogous#27C0CF, #3627CF
Triadic#CF276C, #6CCF27
Split complementary#CF3627, #C0CF27
Tetradic#CF27C0, #CF8A27, #27CF36

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CDDDF5
Lighter +30%#A2C1ED
Lighter +20%#77A4E5
Lighter +10%#4C88DD
Darker −10%#1F56A4
Darker −20%#173F79
Darker −30%#0F294E
Darker −40%#071223
More saturated +25%#0867EE
Less saturated −25%#4671B0

Channel breakdown

R39
G108
B207
Red39 (15.3%)
Green108 (42.4%)
Blue207 (81.2%)
Hue215.36°
Saturation (HSL)68.29%
Lightness48.24%
Dominant channelBlue
Hex per channelR 27 · G 6C · B CF

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Every value on this page was computed from “276ccf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.