Nerdulator> put something in

Recognised as Colour

#4C688B

  • #4C688B
  • Blue
  • Dark
  • Nearest: Steel blue

#4C688B is a blue with RGB values 76, 104, 139 and HSL 213°, 29%, 42%. It is a dark colour, so white text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#4C688B#4C688B
HEX#4C688B
RGBrgb(76, 104, 139)
RGB (0–1)0.298, 0.4078, 0.5451
RGB percentages29.8%, 40.8%, 54.5%
HSLhsl(213.3, 29.3%, 42.2%)
HSV / HSBhsv(213.3, 45.3%, 54.5%)
CMYK45.3%, 25.2%, 0%, 45.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,007,499
CSS custom property--colour: #4C688B;

Brightness & contrast

Relative luminance0.13301WCAG 2.x, 0 is black and 1 is white
Perceived brightness101.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.74:1
Contrast with white5.74:1WCAG normal text: AA
Contrast with black3.66:1WCAG normal text: Fail
Greyscale equivalent#656565
Inverted#B39774

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5B6A8Dno red cones; affects about 1% of men; ΔE 4.3 from the original
Deuteranopia#53638Ano green cones; the most common form, about 1% of men; ΔE 5 from the original
Tritanopia#347074no blue cones; rare, and affects men and women equally; ΔE 22.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.74:1WCAG large text: AAA
Contrast with black, large text3.66:1WCAG large text: AA

Named colours

Steel blue · ΔE 13.9Slate grey · ΔE 15.4Light slate grey · ΔE 17.2Dim grey · ΔE 22.5Gray · ΔE 24.8Dark slate grey · ΔE 25
Nearest named CSS colourSteel blue (#4682B4)ΔE 13.91, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8B6F4C
Analogous#4C888B, #4F4C8B
Triadic#8B4C68, #688B4C
Split complementary#8B4F4C, #888B4C
Tetradic#8B4C88, #8B6F4C, #4C8B4F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C4D0DF
Lighter +30%#A3B6CD
Lighter +20%#829BBB
Lighter +10%#6181A9
Darker −10%#3A4F6A
Darker −20%#283749
Darker −30%#161E28
Darker −40%#040507
More saturated +25%#3165A6
Less saturated −25%#676B70

Channel breakdown

R76
G104
B139
Red76 (29.8%)
Green104 (40.8%)
Blue139 (54.5%)
Hue213.33°
Saturation (HSL)29.3%
Lightness42.16%
Dominant channelBlue
Hex per channelR 4C · G 68 · B 8B

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “4c688b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.