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Recognised as Colour

#4FA1CB

  • #4FA1CB
  • Blue
  • Dark
  • Nearest: Steel blue

#4FA1CB is a blue with RGB values 79, 161, 203 and HSL 200°, 54%, 55%. It is a dark colour, so black text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#4FA1CB#4FA1CB
HEX#4FA1CB
RGBrgb(79, 161, 203)
RGB (0–1)0.3098, 0.6314, 0.7961
RGB percentages31%, 63.1%, 79.6%
HSLhsl(200.3, 54.4%, 55.3%)
HSV / HSBhsv(200.3, 61.1%, 79.6%)
CMYK61.1%, 20.7%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,218,763
CSS custom property--colour: #4FA1CB;

Brightness & contrast

Relative luminance0.31464WCAG 2.x, 0 is black and 1 is white
Perceived brightness147.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.29:1
Contrast with white2.88:1WCAG normal text: Fail
Contrast with black7.29:1WCAG normal text: AAA
Greyscale equivalent#939393
Inverted#B05E34

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8D9FCDno red cones; affects about 1% of men; ΔE 17.4 from the original
Deuteranopia#7B93CAno green cones; the most common form, about 1% of men; ΔE 18 from the original
Tritanopia#00ACAFno blue cones; rare, and affects men and women equally; ΔE 28.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.88:1WCAG large text: Fail
Contrast with black, large text7.29:1WCAG large text: AAA

Named colours

Steel blue · ΔE 13.7Light skyblue · ΔE 16.9Deep skyblue · ΔE 17.4Sky blue · ΔE 18.2Light slate grey · ΔE 21.7Cadetblue · ΔE 22.8
Nearest named CSS colourSteel blue (#4682B4)ΔE 13.74, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CB794F
Analogous#4FCBB7, #4F63CB
Triadic#CB4FA1, #A1CB4F
Split complementary#CB4F63, #CBB74F
Tetradic#B74FCB, #CB794F, #63CB4F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ECF5FA
Lighter +30%#C5E0EE
Lighter +20%#9ECBE2
Lighter +10%#76B6D7
Darker −10%#3588B2
Darker −20%#296A8B
Darker −30%#1D4C64
Darker −40%#122E3C
More saturated +25%#33AAE8
Less saturated −25%#6C98AF

Channel breakdown

R79
G161
B203
Red79 (31%)
Green161 (63.1%)
Blue203 (79.6%)
Hue200.32°
Saturation (HSL)54.39%
Lightness55.29%
Dominant channelBlue
Hex per channelR 4F · G A1 · B CB

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Every value on this page was computed from “4fa1cb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.