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Colour

#6387C4

  • #6387C4
  • Blue
  • Dark
  • Nearest: Steel blue

#6387C4 is a blue with RGB values 99, 135, 196 and HSL 218°, 45%, 58%. It is a dark colour, so black text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#6387C4#6387C4
HEX#6387C4
RGBrgb(99, 135, 196)
RGB (0–1)0.3882, 0.5294, 0.7686
RGB percentages38.8%, 52.9%, 76.9%
HSLhsl(217.7, 45.1%, 57.8%)
HSV / HSBhsv(217.7, 49.5%, 76.9%)
CMYK49.5%, 31.1%, 0%, 23.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,522,820
CSS custom property--colour: #6387C4;

Brightness & contrast

Relative luminance0.23966WCAG 2.x, 0 is black and 1 is white
Perceived brightness134.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.79:1
Contrast with white3.62:1WCAG normal text: Fail
Contrast with black5.79:1WCAG normal text: AA
Greyscale equivalent#848484
Inverted#9C783B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#708BC7no red cones; affects about 1% of men; ΔE 3.1 from the original
Deuteranopia#6482C3no green cones; the most common form, about 1% of men; ΔE 3.6 from the original
Tritanopia#38949Dno blue cones; rare, and affects men and women equally; ΔE 36.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.62:1WCAG large text: AA
Contrast with black, large text5.79:1WCAG large text: AAA

Named colours

Steel blue · ΔE 9.9Cornflower blue · ΔE 15.7Light slate grey · ΔE 25.4Slate grey · ΔE 26.1Deep skyblue · ΔE 28.4Dodgerblue · ΔE 28.5
Nearest named CSS colourSteel blue (#4682B4)ΔE 9.86, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C4A063
Analogous#63B7C4, #7063C4
Triadic#C46387, #87C463
Split complementary#C47063, #B7C463
Tetradic#C463B7, #C4A063, #63C470

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F7F9FC
Lighter +30%#D2DCEE
Lighter +20%#ADC0E0
Lighter +10%#88A3D2
Darker −10%#436CB1
Darker −20%#35558C
Darker −30%#273F67
Darker −40%#192842
More saturated +25%#4880DF
Less saturated −25%#7E8EA9

Channel breakdown

R99
G135
B196
Red99 (38.8%)
Green135 (52.9%)
Blue196 (76.9%)
Hue217.73°
Saturation (HSL)45.12%
Lightness57.84%
Dominant channelBlue
Hex per channelR 63 · G 87 · B C4

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Every value on this page was computed from “6387c4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.