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Recognised as Colour

#297BCD

  • #297BCD
  • Blue
  • Dark
  • Nearest: Cornflower blue

#297BCD is a blue with RGB values 41, 123, 205 and HSL 210°, 67%, 48%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#297BCD#297BCD
HEX#297BCD
RGBrgb(41, 123, 205)
RGB (0–1)0.1608, 0.4824, 0.8039
RGB percentages16.1%, 48.2%, 80.4%
HSLhsl(210, 66.7%, 48.2%)
HSV / HSBhsv(210, 80%, 80.4%)
CMYK80%, 40%, 0%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,718,669
CSS custom property--colour: #297BCD;

Brightness & contrast

Relative luminance0.19045WCAG 2.x, 0 is black and 1 is white
Perceived brightness119.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.81:1
Contrast with white4.37:1WCAG normal text: Fail
Contrast with black4.81:1WCAG normal text: AA
Greyscale equivalent#6F6F6F
Inverted#D68432

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5381D0no red cones; affects about 1% of men; ΔE 6.2 from the original
Deuteranopia#3872CBno green cones; the most common form, about 1% of men; ΔE 7.4 from the original
Tritanopia#008F9Ano blue cones; rare, and affects men and women equally; ΔE 47.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.37:1WCAG large text: AA
Contrast with black, large text4.81:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 12.1Dodgerblue · ΔE 17.3Steel blue · ΔE 19.3Royal blue · ΔE 26.9Dark slateblue · ΔE 30Deep skyblue · ΔE 32
Nearest named CSS colourCornflower blue (#6495ED)ΔE 12.09, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CD7B29
Analogous#29CDCD, #2929CD
Triadic#CD297B, #7BCD29
Split complementary#CD2929, #CDCD29
Tetradic#CD29CD, #CD7B29, #29CD29

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CDE1F5
Lighter +30%#A3C8ED
Lighter +20%#78AEE4
Lighter +10%#4E95DC
Darker −10%#2062A3
Darker −20%#184878
Darker −30%#0F2F4E
Darker −40%#071523
More saturated +25%#0A7BEC
Less saturated −25%#487BAE

Channel breakdown

R41
G123
B205
Red41 (16.1%)
Green123 (48.2%)
Blue205 (80.4%)
Hue210°
Saturation (HSL)66.67%
Lightness48.24%
Dominant channelBlue
Hex per channelR 29 · G 7B · B CD

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Every value on this page was computed from “297bcd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.