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Recognised as Colour

#623DB4

  • #623DB4
  • Violet
  • Dark
  • Nearest: Rebecca purple

#623DB4 is a violet with RGB values 98, 61, 180 and HSL 259°, 49%, 47%. It is a dark colour, so white text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Rebecca purple.

Colour values

#623DB4#623DB4
HEX#623DB4
RGBrgb(98, 61, 180)
RGB (0–1)0.3843, 0.2392, 0.7059
RGB percentages38.4%, 23.9%, 70.6%
HSLhsl(258.7, 49.4%, 47.3%)
HSV / HSBhsv(258.7, 66.1%, 70.6%)
CMYK45.6%, 66.1%, 0%, 29.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,438,324
CSS custom property--colour: #623DB4;

Brightness & contrast

Relative luminance0.09229WCAG 2.x, 0 is black and 1 is white
Perceived brightness93.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.38:1
Contrast with white7.38:1WCAG normal text: AAA
Contrast with black2.85:1WCAG normal text: Fail
Greyscale equivalent#4D4D4D
Inverted#9DC24B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0057B8no red cones; affects about 1% of men; ΔE 26.9 from the original
Deuteranopia#0053B2no green cones; the most common form, about 1% of men; ΔE 26.7 from the original
Tritanopia#4A5A73no blue cones; rare, and affects men and women equally; ΔE 60 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.38:1WCAG large text: AAA
Contrast with black, large text2.85:1WCAG large text: Fail

Named colours

Rebecca purple · ΔE 11.1Slate blue · ΔE 11.9Medium slateblue · ΔE 17.8Indigo · ΔE 18.3Medium purple · ΔE 21.3Royal blue · ΔE 22.3
Nearest named CSS colourRebecca purple (#663399)ΔE 11.14, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8FB43D
Analogous#3D53B4, #9E3DB4
Triadic#B4623D, #3DB462
Split complementary#B49E3D, #54B43D
Tetradic#B43D54, #8FB43D, #3DB49E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D8CEEF
Lighter +30%#BAA8E2
Lighter +20%#9C82D5
Lighter +10%#7E5CC8
Darker −10%#4D308E
Darker −20%#392368
Darker −30%#241642
Darker −40%#0F091C
More saturated +25%#571FD2
Less saturated −25%#6D5B96

Channel breakdown

R98
G61
B180
Red98 (38.4%)
Green61 (23.9%)
Blue180 (70.6%)
Hue258.66°
Saturation (HSL)49.38%
Lightness47.25%
Dominant channelBlue
Hex per channelR 62 · G 3D · B B4

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Every value on this page was computed from “623db4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.