Nerdulator> put something in

Recognised as Colour

#6371C4

  • #6371C4
  • Blue
  • Dark
  • Nearest: Cornflower blue

#6371C4 is a blue with RGB values 99, 113, 196 and HSL 231°, 45%, 58%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#6371C4#6371C4
HEX#6371C4
RGBrgb(99, 113, 196)
RGB (0–1)0.3882, 0.4431, 0.7686
RGB percentages38.8%, 44.3%, 76.9%
HSLhsl(231.3, 45.1%, 57.8%)
HSV / HSBhsv(231.3, 49.5%, 76.9%)
CMYK49.5%, 42.3%, 0%, 23.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,517,188
CSS custom property--colour: #6371C4;

Brightness & contrast

Relative luminance0.18448WCAG 2.x, 0 is black and 1 is white
Perceived brightness121.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.69:1
Contrast with white4.48:1WCAG normal text: Fail
Contrast with black4.69:1WCAG normal text: AA
Greyscale equivalent#747474
Inverted#9C8E3B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#507BC7no red cones; affects about 1% of men; ΔE 9.5 from the original
Deuteranopia#4673C2no green cones; the most common form, about 1% of men; ΔE 8.1 from the original
Tritanopia#3C8391no blue cones; rare, and affects men and women equally; ΔE 47.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.48:1WCAG large text: AA
Contrast with black, large text4.69:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 15.1Medium purple · ΔE 20.3Dark slateblue · ΔE 21.2Dodgerblue · ΔE 21.9Royal blue · ΔE 22Slate blue · ΔE 22.8
Nearest named CSS colourCornflower blue (#6495ED)ΔE 15.13, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C4B663
Analogous#63A2C4, #8563C4
Triadic#C46371, #71C463
Split complementary#C48663, #A2C463
Tetradic#C463A2, #C4B663, #63C486

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F7F8FC
Lighter +30%#D2D6EE
Lighter +20%#ADB4E0
Lighter +10%#8893D2
Darker −10%#4353B1
Darker −20%#35428C
Darker −30%#273067
Darker −40%#191F42
More saturated +25%#485EDF
Less saturated −25%#7E84A9

Channel breakdown

R99
G113
B196
Red99 (38.8%)
Green113 (44.3%)
Blue196 (76.9%)
Hue231.34°
Saturation (HSL)45.12%
Lightness57.84%
Dominant channelBlue
Hex per channelR 63 · G 71 · B C4

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 “6371c4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.