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Colour

#63BFED

  • #63BFED
  • Blue
  • Dark
  • Nearest: Light skyblue

#63BFED is a blue with RGB values 99, 191, 237 and HSL 200°, 79%, 66%. It is a dark colour, so black text on it reaches 10.2:1 contrast (AAA for normal text). The nearest named colour is Light skyblue.

Colour values

#63BFED#63BFED
HEX#63BFED
RGBrgb(99, 191, 237)
RGB (0–1)0.3882, 0.749, 0.9294
RGB percentages38.8%, 74.9%, 92.9%
HSLhsl(200, 79.3%, 65.9%)
HSV / HSBhsv(200, 58.2%, 92.9%)
CMYK58.2%, 19.4%, 0%, 7.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,537,197
CSS custom property--colour: #63BFED;

Brightness & contrast

Relative luminance0.46029WCAG 2.x, 0 is black and 1 is white
Perceived brightness175.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.21:1
Contrast with white2.06:1WCAG normal text: Fail
Contrast with black10.21:1WCAG normal text: AAA
Greyscale equivalent#AFAFAF
Inverted#9C4012

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A8BDEFno red cones; affects about 1% of men; ΔE 19.1 from the original
Deuteranopia#95AEECno green cones; the most common form, about 1% of men; ΔE 20.9 from the original
Tritanopia#00CBCEno blue cones; rare, and affects men and women equally; ΔE 30.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.06:1WCAG large text: Fail
Contrast with black, large text10.21:1WCAG large text: AAA

Named colours

Light skyblue · ΔE 7.5Sky blue · ΔE 11.4Deep skyblue · ΔE 11.9Light steelblue · ΔE 21.1Light blue · ΔE 22.4Steel blue · ΔE 23.5
Nearest named CSS colourLight skyblue (#87CEFA)ΔE 7.55, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#ED9163
Analogous#63EDD6, #637AED
Triadic#ED63BF, #BFED63
Split complementary#ED637A, #EDD663
Tetradic#D663ED, #ED9163, #7AED63

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#ECF7FD
Lighter +20%#BEE5F8
Lighter +10%#91D2F2
Darker −10%#35ACE8
Darker −20%#1894D2
Darker −30%#1374A4
Darker −40%#0E5376
More saturated +25%#51C5FF
Less saturated −25%#79B8D7

Channel breakdown

R99
G191
B237
Red99 (38.8%)
Green191 (74.9%)
Blue237 (92.9%)
Hue200°
Saturation (HSL)79.31%
Lightness65.88%
Dominant channelBlue
Hex per channelR 63 · G BF · B ED

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Every value on this page was computed from “63bfed” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.