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Recognised as Colour

#837A9F

  • #837A9F
  • Blue
  • Dark
  • Nearest: Slate grey

#837A9F is a blue with RGB values 131, 122, 159 and HSL 255°, 16%, 55%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Slate grey.

Colour values

#837A9F#837A9F
HEX#837A9F
RGBrgb(131, 122, 159)
RGB (0–1)0.5137, 0.4784, 0.6235
RGB percentages51.4%, 47.8%, 62.4%
HSLhsl(254.6, 16.2%, 55.1%)
HSV / HSBhsv(254.6, 23.3%, 62.4%)
CMYK17.6%, 23.3%, 0%, 37.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,616,607
CSS custom property--colour: #837A9F;

Brightness & contrast

Relative luminance0.21248WCAG 2.x, 0 is black and 1 is white
Perceived brightness129.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.25:1
Contrast with white4:1WCAG normal text: Fail
Contrast with black5.25:1WCAG normal text: AA
Greyscale equivalent#7F7F7F
Inverted#7C8560

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#727FA1no red cones; affects about 1% of men; ΔE 8 from the original
Deuteranopia#737F9Eno green cones; the most common form, about 1% of men; ΔE 8.4 from the original
Tritanopia#7E8087no blue cones; rare, and affects men and women equally; ΔE 18 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4:1WCAG large text: AA
Contrast with black, large text5.25:1WCAG large text: AAA

Named colours

Slate grey · ΔE 15.6Light slate grey · ΔE 15.7Steel blue · ΔE 20.5Gray · ΔE 21.7Dim grey · ΔE 23.5Dark grey · ΔE 27
Nearest named CSS colourSlate grey (#708090)ΔE 15.64, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#969F7A
Analogous#7A849F, #967A9F
Triadic#9F837A, #7A9F83
Split complementary#9F967A, #849F7A
Tetradic#9F7A84, #969F7A, #7A9F96

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F1F0F5
Lighter +30%#D6D3DF
Lighter +20%#BAB5CA
Lighter +10%#9F98B4
Darker −10%#696086
Darker −20%#524B68
Darker −30%#3B364A
Darker −40%#23202D
More saturated +25%#745DBC
Less saturated −25%#8D8D8D

Channel breakdown

R131
G122
B159
Red131 (51.4%)
Green122 (47.8%)
Blue159 (62.4%)
Hue254.59°
Saturation (HSL)16.16%
Lightness55.1%
Dominant channelBlue
Hex per channelR 83 · G 7A · B 9F

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Every value on this page was computed from “837a9f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.