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Recognised as Colour

#4B97E3

  • #4B97E3
  • Blue
  • Dark
  • Nearest: Cornflower blue

#4B97E3 is a blue with RGB values 75, 151, 227 and HSL 210°, 73%, 59%. It is a dark colour, so black text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#4B97E3#4B97E3
HEX#4B97E3
RGBrgb(75, 151, 227)
RGB (0–1)0.2941, 0.5922, 0.8902
RGB percentages29.4%, 59.2%, 89%
HSLhsl(210, 73.1%, 59.2%)
HSV / HSBhsv(210, 67%, 89%)
CMYK67%, 33.5%, 0%, 11%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,954,083
CSS custom property--colour: #4B97E3;

Brightness & contrast

Relative luminance0.29175WCAG 2.x, 0 is black and 1 is white
Perceived brightness144.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.84:1
Contrast with white3.07:1WCAG normal text: Fail
Contrast with black6.84:1WCAG normal text: AA
Greyscale equivalent#8C8C8C
Inverted#B4681C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#759BE6no red cones; affects about 1% of men; ΔE 8.4 from the original
Deuteranopia#608CE1no green cones; the most common form, about 1% of men; ΔE 10.1 from the original
Tritanopia#00A9B2no blue cones; rare, and affects men and women equally; ΔE 44.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.07:1WCAG large text: AA
Contrast with black, large text6.84:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 9.8Steel blue · ΔE 16.3Dodgerblue · ΔE 20.4Deep skyblue · ΔE 21.7Light skyblue · ΔE 27.7Sky blue · ΔE 33.9
Nearest named CSS colourCornflower blue (#6495ED)ΔE 9.79, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E3974B
Analogous#4BE3E3, #4B4BE3
Triadic#E34B97, #97E34B
Split complementary#E34B4B, #E3E34B
Tetradic#E34BE3, #E3974B, #4BE34B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FCFDFE
Lighter +30%#CFE4F8
Lighter +20%#A3CAF1
Lighter +10%#77B1EA
Darker −10%#227ED9
Darker −20%#1B64AD
Darker −30%#144B81
Darker −40%#0D3155
More saturated +25%#3197FD
Less saturated −25%#6597C9

Channel breakdown

R75
G151
B227
Red75 (29.4%)
Green151 (59.2%)
Blue227 (89%)
Hue210°
Saturation (HSL)73.08%
Lightness59.22%
Dominant channelBlue
Hex per channelR 4B · G 97 · B E3

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Every value on this page was computed from “4b97e3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.