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Recognised as Colour

#137ACE

  • #137ACE
  • Blue
  • Dark
  • Nearest: Cornflower blue

#137ACE is a blue with RGB values 19, 122, 206 and HSL 207°, 83%, 44%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#137ACE#137ACE
HEX#137ACE
RGBrgb(19, 122, 206)
RGB (0–1)0.0745, 0.4784, 0.8078
RGB percentages7.5%, 47.8%, 80.8%
HSLhsl(207, 83.1%, 44.1%)
HSV / HSBhsv(207, 90.8%, 80.8%)
CMYK90.8%, 40.8%, 0%, 19.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,276,622
CSS custom property--colour: #137ACE;

Brightness & contrast

Relative luminance0.18514WCAG 2.x, 0 is black and 1 is white
Perceived brightness117 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.7:1
Contrast with white4.47:1WCAG normal text: Fail
Contrast with black4.7:1WCAG normal text: AA
Greyscale equivalent#6A6A6A
Inverted#EC8531

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5080D1no red cones; affects about 1% of men; ΔE 7.3 from the original
Deuteranopia#3070CCno green cones; the most common form, about 1% of men; ΔE 8.7 from the original
Tritanopia#008E9Ano blue cones; rare, and affects men and women equally; ΔE 47.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.47:1WCAG large text: AA
Contrast with black, large text4.7:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 13Dodgerblue · ΔE 16.6Steel blue · ΔE 20.5Royal blue · ΔE 26.5Dark slateblue · ΔE 30.5Deep skyblue · ΔE 32.3
Nearest named CSS colourCornflower blue (#6495ED)ΔE 13.02, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CE6713
Analogous#13CEC5, #131CCE
Triadic#CE137A, #7ACE13
Split complementary#CE131C, #CEC413
Tetradic#C513CE, #CE6713, #1DCE13

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B5DAF8
Lighter +30%#86C3F4
Lighter +20%#57ABF0
Lighter +10%#2994EB
Darker −10%#0F5E9F
Darker −20%#0A4371
Darker −30%#062742
Darker −40%#020B13
More saturated +25%#007CE1
Less saturated −25%#2F77B2

Channel breakdown

R19
G122
B206
Red19 (7.5%)
Green122 (47.8%)
Blue206 (80.8%)
Hue206.95°
Saturation (HSL)83.11%
Lightness44.12%
Dominant channelBlue
Hex per channelR 13 · G 7A · B CE

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Every value on this page was computed from “137ace” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.