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Recognised as Colour

#63A7FD

  • #63A7FD
  • Blue
  • Dark
  • Nearest: Cornflower blue

#63A7FD is a blue with RGB values 99, 167, 253 and HSL 214°, 97%, 69%. It is a dark colour, so black text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#63A7FD#63A7FD
HEX#63A7FD
RGBrgb(99, 167, 253)
RGB (0–1)0.3882, 0.6549, 0.9922
RGB percentages38.8%, 65.5%, 99.2%
HSLhsl(213.5, 97.5%, 69%)
HSV / HSBhsv(213.5, 60.9%, 99.2%)
CMYK60.9%, 34%, 0%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,531,069
CSS custom property--colour: #63A7FD;

Brightness & contrast

Relative luminance0.37382WCAG 2.x, 0 is black and 1 is white
Perceived brightness163.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.48:1
Contrast with white2.48:1WCAG normal text: Fail
Contrast with black8.48:1WCAG normal text: AAA
Greyscale equivalent#9F9F9F
Inverted#9C5802

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#82ADFFno red cones; affects about 1% of men; ΔE 6.3 from the original
Deuteranopia#6E9EFBno green cones; the most common form, about 1% of men; ΔE 7.2 from the original
Tritanopia#00BBC6no blue cones; rare, and affects men and women equally; ΔE 50.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.48:1WCAG large text: Fail
Contrast with black, large text8.48:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 7.8Dodgerblue · ΔE 17.5Deep skyblue · ΔE 23.1Steel blue · ΔE 24.1Light skyblue · ΔE 28.1Royal blue · ΔE 33.9
Nearest named CSS colourCornflower blue (#6495ED)ΔE 7.84, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FDB963
Analogous#63F4FD, #6C63FD
Triadic#FD63A7, #A7FD63
Split complementary#FD6C63, #F4FD63
Tetradic#FD63F4, #FDB963, #63FD6C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FAFCFF
Lighter +20%#C8E0FE
Lighter +10%#95C3FE
Darker −10%#318BFC
Darker −20%#036FF7
Darker −30%#0358C4
Darker −40%#024292
More saturated +25%#61A7FF
Less saturated −25%#77A9E9

Channel breakdown

R99
G167
B253
Red99 (38.8%)
Green167 (65.5%)
Blue253 (99.2%)
Hue213.51°
Saturation (HSL)97.47%
Lightness69.02%
Dominant channelBlue
Hex per channelR 63 · G A7 · B FD

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Every value on this page was computed from “63a7fd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.