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Colour

#3C7BDA

  • #3C7BDA
  • Blue
  • Dark
  • Nearest: Cornflower blue

#3C7BDA is a blue with RGB values 60, 123, 218 and HSL 216°, 68%, 55%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#3C7BDA#3C7BDA
HEX#3C7BDA
RGBrgb(60, 123, 218)
RGB (0–1)0.2353, 0.4824, 0.8549
RGB percentages23.5%, 48.2%, 85.5%
HSLhsl(216.1, 68.1%, 54.5%)
HSV / HSBhsv(216.1, 72.5%, 85.5%)
CMYK72.5%, 43.6%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,963,866
CSS custom property--colour: #3C7BDA;

Brightness & contrast

Relative luminance0.20189WCAG 2.x, 0 is black and 1 is white
Perceived brightness124 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.04:1
Contrast with white4.17:1WCAG normal text: Fail
Contrast with black5.04:1WCAG normal text: AA
Greyscale equivalent#747474
Inverted#C38425

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4C84DEno red cones; affects about 1% of men; ΔE 4.9 from the original
Deuteranopia#2E75D8no green cones; the most common form, about 1% of men; ΔE 3.6 from the original
Tritanopia#0091A0no blue cones; rare, and affects men and women equally; ΔE 53.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.17:1WCAG large text: AA
Contrast with black, large text5.04:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 11.4Dodgerblue · ΔE 11.6Royal blue · ΔE 18.5Slate blue · ΔE 25.4Medium purple · ΔE 25.6Steel blue · ΔE 27.4
Nearest named CSS colourCornflower blue (#6495ED)ΔE 11.45, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DA9B3C
Analogous#3CCADA, #4C3CDA
Triadic#DA3C7B, #7BDA3C
Split complementary#DA4C3C, #CADA3C
Tetradic#DA3CCA, #DA9B3C, #3CDA4C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E7EFFB
Lighter +30%#BDD2F2
Lighter +20%#92B5EA
Lighter +10%#6798E2
Darker −10%#2462BF
Darker −20%#1C4C94
Darker −30%#143669
Darker −40%#0C203E
More saturated +25%#1F75F7
Less saturated −25%#5981BD

Channel breakdown

R60
G123
B218
Red60 (23.5%)
Green123 (48.2%)
Blue218 (85.5%)
Hue216.08°
Saturation (HSL)68.1%
Lightness54.51%
Dominant channelBlue
Hex per channelR 3C · G 7B · B DA

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Every value on this page was computed from “3c7bda” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.