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Recognised as Colour

#4691BD

  • #4691BD
  • Blue
  • Dark
  • Nearest: Steel blue

#4691BD is a blue with RGB values 70, 145, 189 and HSL 202°, 47%, 51%. It is a dark colour, so black text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#4691BD#4691BD
HEX#4691BD
RGBrgb(70, 145, 189)
RGB (0–1)0.2745, 0.5686, 0.7412
RGB percentages27.5%, 56.9%, 74.1%
HSLhsl(202.2, 47.4%, 50.8%)
HSV / HSBhsv(202.2, 63%, 74.1%)
CMYK63%, 23.3%, 0%, 25.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,624,829
CSS custom property--colour: #4691BD;

Brightness & contrast

Relative luminance0.25227WCAG 2.x, 0 is black and 1 is white
Perceived brightness133.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.05:1
Contrast with white3.47:1WCAG normal text: Fail
Contrast with black6.05:1WCAG normal text: AA
Greyscale equivalent#848484
Inverted#B96E42

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7C90BFno red cones; affects about 1% of men; ΔE 14.6 from the original
Deuteranopia#6C84BCno green cones; the most common form, about 1% of men; ΔE 16.1 from the original
Tritanopia#009CA0no blue cones; rare, and affects men and women equally; ΔE 28.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.47:1WCAG large text: AA
Contrast with black, large text6.05:1WCAG large text: AAA

Named colours

Steel blue · ΔE 7.8Light slate grey · ΔE 20.2Slate grey · ΔE 21.2Deep skyblue · ΔE 21.4Light skyblue · ΔE 22.5Sky blue · ΔE 24.1
Nearest named CSS colourSteel blue (#4682B4)ΔE 7.79, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BD7246
Analogous#46BDAD, #4656BD
Triadic#BD4691, #91BD46
Split complementary#BD4656, #BDAD46
Tetradic#AD46BD, #BD7246, #56BD46

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DCEAF3
Lighter +30%#B7D4E5
Lighter +20%#91BED8
Lighter +10%#6CA7CA
Darker −10%#377599
Darker −20%#295874
Darker −30%#1C3C4E
Darker −40%#0E1F29
More saturated +25%#2799DC
Less saturated −25%#65899E

Channel breakdown

R70
G145
B189
Red70 (27.5%)
Green145 (56.9%)
Blue189 (74.1%)
Hue202.18°
Saturation (HSL)47.41%
Lightness50.78%
Dominant channelBlue
Hex per channelR 46 · G 91 · B BD

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Every value on this page was computed from “4691bd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.