Nerdulator> put something in

Recognised as Colour

#91A4BC

  • #91A4BC
  • Blue
  • Dark
  • Nearest: Light slate grey

#91A4BC is a blue with RGB values 145, 164, 188 and HSL 213°, 24%, 65%. It is a dark colour, so black text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Light slate grey.

Colour values

#91A4BC#91A4BC
HEX#91A4BC
RGBrgb(145, 164, 188)
RGB (0–1)0.5686, 0.6431, 0.7373
RGB percentages56.9%, 64.3%, 73.7%
HSLhsl(213.5, 24.3%, 65.3%)
HSV / HSBhsv(213.5, 22.9%, 73.7%)
CMYK22.9%, 12.8%, 0%, 26.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,544,892
CSS custom property--colour: #91A4BC;

Brightness & contrast

Relative luminance0.36202WCAG 2.x, 0 is black and 1 is white
Perceived brightness161.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.24:1
Contrast with white2.55:1WCAG normal text: Fail
Contrast with black8.24:1WCAG normal text: AAA
Greyscale equivalent#A2A2A2
Inverted#6E5B43

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9CA5BDno red cones; affects about 1% of men; ΔE 3.6 from the original
Deuteranopia#97A0BBno green cones; the most common form, about 1% of men; ΔE 4 from the original
Tritanopia#86A9ACno blue cones; rare, and affects men and women equally; ΔE 13.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.55:1WCAG large text: Fail
Contrast with black, large text8.24:1WCAG large text: AAA

Named colours

Light slate grey · ΔE 11.3Light steelblue · ΔE 11.8Slate grey · ΔE 14.4Dark grey · ΔE 14.8Silver · ΔE 18.3Gray · ΔE 19.6
Nearest named CSS colourLight slate grey (#778899)ΔE 11.33, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BCA991
Analogous#91BABC, #9391BC
Triadic#BC91A4, #A4BC91
Split complementary#BC9391, #BABC91
Tetradic#BC91BA, #BCA991, #91BC93

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F0F3F6
Lighter +20%#D0D8E3
Lighter +10%#B1BECF
Darker −10%#718AA9
Darker −20%#577090
Darker −30%#445770
Darker −40%#313F50
More saturated +25%#7BA1D2
Less saturated −25%#A7A7A7

Channel breakdown

R145
G164
B188
Red145 (56.9%)
Green164 (64.3%)
Blue188 (73.7%)
Hue213.49°
Saturation (HSL)24.29%
Lightness65.29%
Dominant channelBlue
Hex per channelR 91 · G A4 · B BC

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 “91a4bc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.