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Recognised as Colour

#61A3DD

  • #61A3DD
  • Blue
  • Dark
  • Nearest: Steel blue

#61A3DD is a blue with RGB values 97, 163, 221 and HSL 208°, 65%, 62%. It is a dark colour, so black text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#61A3DD#61A3DD
HEX#61A3DD
RGBrgb(97, 163, 221)
RGB (0–1)0.3804, 0.6392, 0.8667
RGB percentages38%, 63.9%, 86.7%
HSLhsl(208.1, 64.6%, 62.4%)
HSV / HSBhsv(208.1, 56.1%, 86.7%)
CMYK56.1%, 26.2%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,398,941
CSS custom property--colour: #61A3DD;

Brightness & contrast

Relative luminance0.33956WCAG 2.x, 0 is black and 1 is white
Perceived brightness154.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.79:1
Contrast with white2.7:1WCAG normal text: Fail
Contrast with black7.79:1WCAG normal text: AAA
Greyscale equivalent#999999
Inverted#9E5C22

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8AA4E0no red cones; affects about 1% of men; ΔE 10.7 from the original
Deuteranopia#7A98DCno green cones; the most common form, about 1% of men; ΔE 12 from the original
Tritanopia#00B1B7no blue cones; rare, and affects men and women equally; ΔE 37.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.7:1WCAG large text: Fail
Contrast with black, large text7.79:1WCAG large text: AAA

Named colours

Steel blue · ΔE 13Deep skyblue · ΔE 16.7Light skyblue · ΔE 17.7Cornflower blue · ΔE 19.5Sky blue · ΔE 22.9Light steelblue · ΔE 24.8
Nearest named CSS colourSteel blue (#4682B4)ΔE 12.97, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DD9B61
Analogous#61DDD9, #6165DD
Triadic#DD61A3, #A3DD61
Split complementary#DD6165, #DDD961
Tetradic#D961DD, #DD9B61, #65DD61

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#DFECF8
Lighter +20%#B5D4EF
Lighter +10%#8BBBE6
Darker −10%#378BD4
Darker −20%#2671B2
Darker −30%#1D5688
Darker −40%#143B5E
More saturated +25%#49A5F5
Less saturated −25%#79A1C5

Channel breakdown

R97
G163
B221
Red97 (38%)
Green163 (63.9%)
Blue221 (86.7%)
Hue208.06°
Saturation (HSL)64.58%
Lightness62.35%
Dominant channelBlue
Hex per channelR 61 · G A3 · B DD

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Every value on this page was computed from “61a3dd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.