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Recognised as Colour

#4D87A4

  • #4D87A4
  • Blue
  • Dark
  • Nearest: Steel blue

#4D87A4 is a blue with RGB values 77, 135, 164 and HSL 200°, 36%, 47%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#4D87A4#4D87A4
HEX#4D87A4
RGBrgb(77, 135, 164)
RGB (0–1)0.302, 0.5294, 0.6431
RGB percentages30.2%, 52.9%, 64.3%
HSLhsl(200, 36.1%, 47.3%)
HSV / HSBhsv(200, 53%, 64.3%)
CMYK53%, 17.7%, 0%, 35.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,080,996
CSS custom property--colour: #4D87A4;

Brightness & contrast

Relative luminance0.21586WCAG 2.x, 0 is black and 1 is white
Perceived brightness124.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.32:1
Contrast with white3.95:1WCAG normal text: Fail
Contrast with black5.32:1WCAG normal text: AA
Greyscale equivalent#7D7D7D
Inverted#B2785B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7985A5no red cones; affects about 1% of men; ΔE 14.1 from the original
Deuteranopia#6C7CA4no green cones; the most common form, about 1% of men; ΔE 14.8 from the original
Tritanopia#168F90no blue cones; rare, and affects men and women equally; ΔE 22.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.95:1WCAG large text: AA
Contrast with black, large text5.32:1WCAG large text: AAA

Named colours

Steel blue · ΔE 12.8Light slate grey · ΔE 13.3Slate grey · ΔE 13.6Cadetblue · ΔE 18.2Teal · ΔE 22.9Dark cyan · ΔE 23.5
Nearest named CSS colourSteel blue (#4682B4)ΔE 12.79, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A46A4D
Analogous#4DA496, #4D5BA4
Triadic#A44D87, #87A44D
Split complementary#A44D5C, #A4954D
Tetradic#954DA4, #A46A4D, #5BA44D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D3E2EA
Lighter +30%#B0CCDA
Lighter +20%#8DB6CA
Lighter +10%#6B9FB9
Darker −10%#3D6A81
Darker −20%#2C4E5F
Darker −30%#1C313C
Darker −40%#0C1519
More saturated +25%#2F91C2
Less saturated −25%#6B7D86

Channel breakdown

R77
G135
B164
Red77 (30.2%)
Green135 (52.9%)
Blue164 (64.3%)
Hue200°
Saturation (HSL)36.1%
Lightness47.25%
Dominant channelBlue
Hex per channelR 4D · G 87 · B A4

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Every value on this page was computed from “4d87a4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.