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Colour

#437CDF

  • #437CDF
  • Blue
  • Dark
  • Nearest: Dodgerblue

#437CDF is a blue with RGB values 67, 124, 223 and HSL 218°, 71%, 57%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#437CDF#437CDF
HEX#437CDF
RGBrgb(67, 124, 223)
RGB (0–1)0.2627, 0.4863, 0.8745
RGB percentages26.3%, 48.6%, 87.5%
HSLhsl(218.1, 70.9%, 56.9%)
HSV / HSBhsv(218.1, 70%, 87.5%)
CMYK70%, 44.4%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,422,879
CSS custom property--colour: #437CDF;

Brightness & contrast

Relative luminance0.20936WCAG 2.x, 0 is black and 1 is white
Perceived brightness126.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.19:1
Contrast with white4.05:1WCAG normal text: Fail
Contrast with black5.19:1WCAG normal text: AA
Greyscale equivalent#777777
Inverted#BC8320

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4B86E3no red cones; affects about 1% of men; ΔE 5.7 from the original
Deuteranopia#2D78DDno green cones; the most common form, about 1% of men; ΔE 3 from the original
Tritanopia#0093A3no blue cones; rare, and affects men and women equally; ΔE 55.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.05:1WCAG large text: AA
Contrast with black, large text5.19:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 10.6Cornflower blue · ΔE 12.2Royal blue · ΔE 16.2Slate blue · ΔE 23.4Medium purple · ΔE 23.7Medium slateblue · ΔE 28.7
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 10.62, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DFA643
Analogous#43CADF, #5843DF
Triadic#DF437C, #7CDF43
Split complementary#DF5843, #CADF43
Tetradic#DF43CA, #DFA643, #43DF58

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F1F5FD
Lighter +30%#C6D7F5
Lighter +20%#9AB9EE
Lighter +10%#6F9AE6
Darker −10%#2361CC
Darker −20%#1B4CA1
Darker −30%#143775
Darker −40%#0D2349
More saturated +25%#2775FB
Less saturated −25%#5F83C3

Channel breakdown

R67
G124
B223
Red67 (26.3%)
Green124 (48.6%)
Blue223 (87.5%)
Hue218.08°
Saturation (HSL)70.91%
Lightness56.86%
Dominant channelBlue
Hex per channelR 43 · G 7C · B DF

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Every value on this page was computed from “437cdf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.