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Recognised as Colour

#919DB1

  • #919DB1
  • Blue
  • Dark
  • Nearest: Light slate grey

#919DB1 is a blue with RGB values 145, 157, 177 and HSL 217°, 17%, 63%. It is a dark colour, so black text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Light slate grey.

Colour values

#919DB1#919DB1
HEX#919DB1
RGBrgb(145, 157, 177)
RGB (0–1)0.5686, 0.6157, 0.6941
RGB percentages56.9%, 61.6%, 69.4%
HSLhsl(217.5, 17%, 63.1%)
HSV / HSBhsv(217.5, 18.1%, 69.4%)
CMYK18.1%, 11.3%, 0%, 30.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,543,089
CSS custom property--colour: #919DB1;

Brightness & contrast

Relative luminance0.33308WCAG 2.x, 0 is black and 1 is white
Perceived brightness156 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.66:1
Contrast with white2.74:1WCAG normal text: Fail
Contrast with black7.66:1WCAG normal text: AAA
Greyscale equivalent#9C9C9C
Inverted#6E624E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#979EB2no red cones; affects about 1% of men; ΔE 1.9 from the original
Deuteranopia#949BB1no green cones; the most common form, about 1% of men; ΔE 2.2 from the original
Tritanopia#89A1A3no blue cones; rare, and affects men and women equally; ΔE 11.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.74:1WCAG large text: Fail
Contrast with black, large text7.66:1WCAG large text: AAA

Named colours

Light slate grey · ΔE 8.8Slate grey · ΔE 11.8Dark grey · ΔE 12.8Light steelblue · ΔE 14.5Gray · ΔE 16Silver · ΔE 17.8
Nearest named CSS colourLight slate grey (#778899)ΔE 8.82, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B1A591
Analogous#91ADB1, #9591B1
Triadic#B1919D, #9DB191
Split complementary#B19591, #ADB191
Tetradic#B191AD, #B1A591, #91B195

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EBEDF0
Lighter +20%#CDD2DB
Lighter +10%#AFB8C6
Darker −10%#73829C
Darker −20%#5B6981
Darker −30%#465163
Darker −40%#313845
More saturated +25%#7A97C9
Less saturated −25%#A1A1A1

Channel breakdown

R145
G157
B177
Red145 (56.9%)
Green157 (61.6%)
Blue177 (69.4%)
Hue217.5°
Saturation (HSL)17.02%
Lightness63.14%
Dominant channelBlue
Hex per channelR 91 · G 9D · B B1

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Every value on this page was computed from “919db1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.