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Recognised as Colour

#437DFC

  • #437DFC
  • Blue
  • Dark
  • Nearest: Royal blue

#437DFC is a blue with RGB values 67, 125, 252 and HSL 221°, 97%, 63%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#437DFC#437DFC
HEX#437DFC
RGBrgb(67, 125, 252)
RGB (0–1)0.2627, 0.4902, 0.9882
RGB percentages26.3%, 49%, 98.8%
HSLhsl(221.2, 96.9%, 62.5%)
HSV / HSBhsv(221.2, 73.4%, 98.8%)
CMYK73.4%, 50.4%, 0%, 1.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,423,164
CSS custom property--colour: #437DFC;

Brightness & contrast

Relative luminance0.22889WCAG 2.x, 0 is black and 1 is white
Perceived brightness133.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.58:1
Contrast with white3.76:1WCAG normal text: Fail
Contrast with black5.58:1WCAG normal text: AA
Greyscale equivalent#7A7A7A
Inverted#BC8203

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2C8CFFno red cones; affects about 1% of men; ΔE 11.7 from the original
Deuteranopia#007BF9no green cones; the most common form, about 1% of men; ΔE 4.9 from the original
Tritanopia#009CB1no blue cones; rare, and affects men and women equally; ΔE 69.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.76:1WCAG large text: AA
Contrast with black, large text5.58:1WCAG large text: AAA

Named colours

Royal blue · ΔE 8.4Dodgerblue · ΔE 15.4Medium slateblue · ΔE 17.9Slate blue · ΔE 19.1Medium purple · ΔE 22.8Cornflower blue · ΔE 25.2
Nearest named CSS colourRoyal blue (#4169E1)ΔE 8.36, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FCC243
Analogous#43DAFC, #6543FC
Triadic#FC437D, #7DFC43
Split complementary#FC6543, #DAFC43
Tetradic#FC43DA, #FCC243, #43FC65

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#DAE5FE
Lighter +20%#A7C2FE
Lighter +10%#75A0FD
Darker −10%#115AFB
Darker −20%#0345D6
Darker −30%#0335A3
Darker −40%#022571
More saturated +25%#407CFF
Less saturated −25%#5B86E4

Channel breakdown

R67
G125
B252
Red67 (26.3%)
Green125 (49%)
Blue252 (98.8%)
Hue221.19°
Saturation (HSL)96.86%
Lightness62.55%
Dominant channelBlue
Hex per channelR 43 · G 7D · B FC

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