Nerdulator> put something in

Recognised as Colour

#2C66B8

  • #2C66B8
  • Blue
  • Dark
  • Nearest: Cornflower blue

#2C66B8 is a blue with RGB values 44, 102, 184 and HSL 215°, 61%, 45%. It is a dark colour, so white text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#2C66B8#2C66B8
HEX#2C66B8
RGBrgb(44, 102, 184)
RGB (0–1)0.1725, 0.4, 0.7216
RGB percentages17.3%, 40%, 72.2%
HSLhsl(215.1, 61.4%, 44.7%)
HSV / HSBhsv(215.1, 76.1%, 72.2%)
CMYK76.1%, 44.6%, 0%, 27.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,909,880
CSS custom property--colour: #2C66B8;

Brightness & contrast

Relative luminance0.13499WCAG 2.x, 0 is black and 1 is white
Perceived brightness102.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.68:1
Contrast with white5.68:1WCAG normal text: AA
Contrast with black3.7:1WCAG normal text: Fail
Greyscale equivalent#606060
Inverted#D39947

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3C6EBBno red cones; affects about 1% of men; ΔE 4.7 from the original
Deuteranopia#2061B6no green cones; the most common form, about 1% of men; ΔE 3 from the original
Tritanopia#007986no blue cones; rare, and affects men and women equally; ΔE 47.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.68:1WCAG large text: AAA
Contrast with black, large text3.7:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 18.5Dark slateblue · ΔE 21.3Dodgerblue · ΔE 21.6Royal blue · ΔE 23.4Steel blue · ΔE 23.7Slate blue · ΔE 27.3
Nearest named CSS colourCornflower blue (#6495ED)ΔE 18.46, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B87E2C
Analogous#2CACB8, #382CB8
Triadic#B82C66, #66B82C
Split complementary#B8382C, #ACB82C
Tetradic#B82CAC, #B87E2C, #2CB838

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C0D4F0
Lighter +30%#97B8E6
Lighter +20%#6E9CDC
Lighter +10%#457FD2
Darker −10%#224F8F
Darker −20%#183866
Darker −30%#0E223D
Darker −40%#050B13
More saturated +25%#0F61D4
Less saturated −25%#486B9C

Channel breakdown

R44
G102
B184
Red44 (17.3%)
Green102 (40%)
Blue184 (72.2%)
Hue215.14°
Saturation (HSL)61.4%
Lightness44.71%
Dominant channelBlue
Hex per channelR 2C · G 66 · B B8

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “2c66b8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.