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Recognised as Colour

#4B809C

  • #4B809C
  • Blue
  • Dark
  • Nearest: Slate grey

#4B809C is a blue with RGB values 75, 128, 156 and HSL 201°, 35%, 45%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Slate grey.

Colour values

#4B809C#4B809C
HEX#4B809C
RGBrgb(75, 128, 156)
RGB (0–1)0.2941, 0.502, 0.6118
RGB percentages29.4%, 50.2%, 61.2%
HSLhsl(200.7, 35.1%, 45.3%)
HSV / HSBhsv(200.7, 51.9%, 61.2%)
CMYK51.9%, 17.9%, 0%, 38.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,948,124
CSS custom property--colour: #4B809C;

Brightness & contrast

Relative luminance0.19334WCAG 2.x, 0 is black and 1 is white
Perceived brightness118.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.87:1
Contrast with white4.31:1WCAG normal text: Fail
Contrast with black4.87:1WCAG normal text: AA
Greyscale equivalent#777777
Inverted#B47F63

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#727F9Dno red cones; affects about 1% of men; ΔE 12.3 from the original
Deuteranopia#67769Cno green cones; the most common form, about 1% of men; ΔE 13.7 from the original
Tritanopia#1D8889no blue cones; rare, and affects men and women equally; ΔE 21.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.31:1WCAG large text: AA
Contrast with black, large text4.87:1WCAG large text: AAA

Named colours

Slate grey · ΔE 12.4Light slate grey · ΔE 12.8Steel blue · ΔE 13Cadetblue · ΔE 19.3Gray · ΔE 22.7Teal · ΔE 22.9
Nearest named CSS colourSlate grey (#708090)ΔE 12.45, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9C674B
Analogous#4B9C90, #4B579C
Triadic#9C4B80, #809C4B
Split complementary#9C4B57, #9C904B
Tetradic#904B9C, #9C674B, #579C4B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CCDEE7
Lighter +30%#AAC7D6
Lighter +20%#87B0C6
Lighter +10%#6599B5
Darker −10%#3A647A
Darker −20%#2A4757
Darker −30%#192B35
Darker −40%#090F12
More saturated +25%#2E89B9
Less saturated −25%#68777F

Channel breakdown

R75
G128
B156
Red75 (29.4%)
Green128 (50.2%)
Blue156 (61.2%)
Hue200.74°
Saturation (HSL)35.06%
Lightness45.29%
Dominant channelBlue
Hex per channelR 4B · G 80 · B 9C

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Every value on this page was computed from “4b809c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.