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Recognised as Colour

#B1B5E1

  • #B1B5E1
  • Blue
  • Dark
  • Nearest: Light steelblue

#B1B5E1 is a blue with RGB values 177, 181, 225 and HSL 235°, 44%, 79%. It is a dark colour, so black text on it reaches 10.6:1 contrast (AAA for normal text). The nearest named colour is Light steelblue.

Colour values

#B1B5E1#B1B5E1
HEX#B1B5E1
RGBrgb(177, 181, 225)
RGB (0–1)0.6941, 0.7098, 0.8824
RGB percentages69.4%, 71%, 88.2%
HSLhsl(235, 44.4%, 78.8%)
HSV / HSBhsv(235, 21.3%, 88.2%)
CMYK21.3%, 19.6%, 0%, 11.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,646,433
CSS custom property--colour: #B1B5E1;

Brightness & contrast

Relative luminance0.47831WCAG 2.x, 0 is black and 1 is white
Perceived brightness185.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.57:1
Contrast with white1.99:1WCAG normal text: Fail
Contrast with black10.57:1WCAG normal text: AAA
Greyscale equivalent#B7B7B7
Inverted#4E4A1E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A9BAE3no red cones; affects about 1% of men; ΔE 4.8 from the original
Deuteranopia#A7B6E0no green cones; the most common form, about 1% of men; ΔE 3.9 from the original
Tritanopia#A6BDC4no blue cones; rare, and affects men and women equally; ΔE 21.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.99:1WCAG large text: Fail
Contrast with black, large text10.57:1WCAG large text: AAA

Named colours

Light steelblue · ΔE 12.2Thistle · ΔE 15.3Light skyblue · ΔE 20.2Lavender · ΔE 21.8Sky blue · ΔE 23.1Light blue · ΔE 23.5
Nearest named CSS colourLight steelblue (#B0C4DE)ΔE 12.23, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E1DDB1
Analogous#B1CDE1, #C5B1E1
Triadic#E1B1B5, #B5E1B1
Split complementary#E1C5B1, #CDE1B1
Tetradic#E1B1CD, #E1DDB1, #B1E1C5

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FBFBFD
Lighter +10%#D6D8EF
Darker −10%#8C92D3
Darker −20%#676FC5
Darker −30%#454EB4
Darker −40%#373E8F
More saturated +25%#A4AAEF
Less saturated −25%#BFC0D4

Channel breakdown

R177
G181
B225
Red177 (69.4%)
Green181 (71%)
Blue225 (88.2%)
Hue235°
Saturation (HSL)44.44%
Lightness78.82%
Dominant channelBlue
Hex per channelR B1 · G B5 · B E1

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Every value on this page was computed from “b1b5e1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.