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Recognised as Colour

#437FC0

  • #437FC0
  • Blue
  • Dark
  • Nearest: Steel blue

#437FC0 is a blue with RGB values 67, 127, 192 and HSL 211°, 50%, 51%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#437FC0#437FC0
HEX#437FC0
RGBrgb(67, 127, 192)
RGB (0–1)0.2627, 0.498, 0.7529
RGB percentages26.3%, 49.8%, 75.3%
HSLhsl(211.2, 49.8%, 50.8%)
HSV / HSBhsv(211.2, 65.1%, 75.3%)
CMYK65.1%, 33.9%, 0%, 24.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,423,616
CSS custom property--colour: #437FC0;

Brightness & contrast

Relative luminance0.20178WCAG 2.x, 0 is black and 1 is white
Perceived brightness122.5 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#777777
Inverted#BC803F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6383C3no red cones; affects about 1% of men; ΔE 6.7 from the original
Deuteranopia#5177BFno green cones; the most common form, about 1% of men; ΔE 7.7 from the original
Tritanopia#008E96no blue cones; rare, and affects men and women equally; ΔE 39.8 from the original
Distinguishable without hueYesnever 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

Steel blue · ΔE 9.2Cornflower blue · ΔE 16Dodgerblue · ΔE 26.2Deep skyblue · ΔE 28Light slate grey · ΔE 29.1Slate grey · ΔE 29.4
Nearest named CSS colourSteel blue (#4682B4)ΔE 9.24, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C08443
Analogous#43BDC0, #4643C0
Triadic#C0437F, #7FC043
Split complementary#C04543, #BEC043
Tetradic#C043BD, #C08443, #43C046

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DCE7F3
Lighter +30%#B6CDE6
Lighter +20%#8FB3DA
Lighter +10%#6999CD
Darker −10%#34669C
Darker −20%#274D76
Darker −30%#1B344F
Darker −40%#0E1B29
More saturated +25%#247EDF
Less saturated −25%#6280A1

Channel breakdown

R67
G127
B192
Red67 (26.3%)
Green127 (49.8%)
Blue192 (75.3%)
Hue211.2°
Saturation (HSL)49.8%
Lightness50.78%
Dominant channelBlue
Hex per channelR 43 · G 7F · B C0

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Every value on this page was computed from “437fc0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.