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Recognised as Colour

#6151AF

  • #6151AF
  • Blue
  • Dark
  • Nearest: Slate blue

#6151AF is a blue with RGB values 97, 81, 175 and HSL 250°, 37%, 50%. It is a dark colour, so white text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Slate blue.

Colour values

#6151AF#6151AF
HEX#6151AF
RGBrgb(97, 81, 175)
RGB (0–1)0.3804, 0.3176, 0.6863
RGB percentages38%, 31.8%, 68.6%
HSLhsl(250.2, 37%, 50.2%)
HSV / HSBhsv(250.2, 53.7%, 68.6%)
CMYK44.6%, 53.7%, 0%, 31.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,377,903
CSS custom property--colour: #6151AF;

Brightness & contrast

Relative luminance0.11521WCAG 2.x, 0 is black and 1 is white
Perceived brightness100.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.36:1
Contrast with white6.36:1WCAG normal text: AA
Contrast with black3.3:1WCAG normal text: Fail
Greyscale equivalent#5B5B5B
Inverted#9EAE50

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2362B2no red cones; affects about 1% of men; ΔE 21 from the original
Deuteranopia#235DADno green cones; the most common form, about 1% of men; ΔE 19.7 from the original
Tritanopia#496578no blue cones; rare, and affects men and women equally; ΔE 49.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.36:1WCAG large text: AAA
Contrast with black, large text3.3:1WCAG large text: AA

Named colours

Slate blue · ΔE 12.1Dark slateblue · ΔE 12.2Rebecca purple · ΔE 14.5Medium purple · ΔE 15.9Royal blue · ΔE 19.1Medium slateblue · ΔE 23.3
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 12.08, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9FAF51
Analogous#5170AF, #9051AF
Triadic#AF6151, #51AF61
Split complementary#AF9051, #70AF51
Tetradic#AF5170, #9FAF51, #51AF90

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E0DDEF
Lighter +30%#C0BADF
Lighter +20%#A097CF
Lighter +10%#8174BF
Darker −10%#4D418C
Darker −20%#3A3169
Darker −30%#272047
Darker −40%#141024
More saturated +25%#4C31CF
Less saturated −25%#76718F

Channel breakdown

R97
G81
B175
Red97 (38%)
Green81 (31.8%)
Blue175 (68.6%)
Hue250.21°
Saturation (HSL)37.01%
Lightness50.2%
Dominant channelBlue
Hex per channelR 61 · G 51 · B AF

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Every value on this page was computed from “6151af” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.