Nerdulator> put something in

Recognised as Colour

#4489B9

  • #4489B9
  • Blue
  • Dark
  • Nearest: Steel blue

#4489B9 is a blue with RGB values 68, 137, 185 and HSL 205°, 46%, 50%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#4489B9#4489B9
HEX#4489B9
RGBrgb(68, 137, 185)
RGB (0–1)0.2667, 0.5373, 0.7255
RGB percentages26.7%, 53.7%, 72.5%
HSLhsl(204.6, 46.2%, 49.6%)
HSV / HSBhsv(204.6, 63.2%, 72.5%)
CMYK63.2%, 25.9%, 0%, 27.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,491,705
CSS custom property--colour: #4489B9;

Brightness & contrast

Relative luminance0.22623WCAG 2.x, 0 is black and 1 is white
Perceived brightness127.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.52:1
Contrast with white3.8:1WCAG normal text: Fail
Contrast with black5.52:1WCAG normal text: AA
Greyscale equivalent#7E7E7E
Inverted#BB7646

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7389BBno red cones; affects about 1% of men; ΔE 12.3 from the original
Deuteranopia#637EB8no green cones; the most common form, about 1% of men; ΔE 13.2 from the original
Tritanopia#009599no blue cones; rare, and affects men and women equally; ΔE 31.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.8:1WCAG large text: AA
Contrast with black, large text5.52:1WCAG large text: AAA

Named colours

Steel blue · ΔE 3.6Light slate grey · ΔE 21Slate grey · ΔE 21.6Deep skyblue · ΔE 23.6Cornflower blue · ΔE 25Light skyblue · ΔE 25.5
Nearest named CSS colourSteel blue (#4682B4)ΔE 3.59, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B97444
Analogous#44B9AF, #444EB9
Triadic#B94489, #89B944
Split complementary#B9444E, #B9AF44
Tetradic#AF44B9, #B97444, #4EB944

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D8E7F1
Lighter +30%#B3CFE3
Lighter +20%#8EB8D5
Lighter +10%#68A1C8
Darker −10%#366D94
Darker −20%#29526E
Darker −30%#1B3649
Darker −40%#0D1B24
More saturated +25%#248FD9
Less saturated −25%#648399

Channel breakdown

R68
G137
B185
Red68 (26.7%)
Green137 (53.7%)
Blue185 (72.5%)
Hue204.62°
Saturation (HSL)46.25%
Lightness49.61%
Dominant channelBlue
Hex per channelR 44 · G 89 · B B9

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 “4489b9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.