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Colour

#ADC4EF

  • #ADC4EF
  • Blue
  • Light
  • Nearest: Light steelblue

#ADC4EF is a blue with RGB values 173, 196, 239 and HSL 219°, 67%, 81%. It is a light colour, so black text on it reaches 11.9:1 contrast (AAA for normal text). The nearest named colour is Light steelblue.

Colour values

#ADC4EF#ADC4EF
HEX#ADC4EF
RGBrgb(173, 196, 239)
RGB (0–1)0.6784, 0.7686, 0.9373
RGB percentages67.8%, 76.9%, 93.7%
HSLhsl(219.1, 67.3%, 80.8%)
HSV / HSBhsv(219.1, 27.6%, 93.7%)
CMYK27.6%, 18%, 0%, 6.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,388,143
CSS custom property--colour: #ADC4EF;

Brightness & contrast

Relative luminance0.54596WCAG 2.x, 0 is black and 1 is white
Perceived brightness195 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.92:1
Contrast with white1.76:1WCAG normal text: Fail
Contrast with black11.92:1WCAG normal text: AAA
Greyscale equivalent#C2C2C2
Inverted#523B10

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B6C6F1no red cones; affects about 1% of men; ΔE 2.5 from the original
Deuteranopia#B0C0EEno green cones; the most common form, about 1% of men; ΔE 3 from the original
Tritanopia#9BCDD2no blue cones; rare, and affects men and women equally; ΔE 23.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.76:1WCAG large text: Fail
Contrast with black, large text11.92:1WCAG large text: AAA

Named colours

Light steelblue · ΔE 9.1Light skyblue · ΔE 13.4Sky blue · ΔE 16.8Light blue · ΔE 18.4Thistle · ΔE 18.6Lavender · ΔE 19.3
Nearest named CSS colourLight steelblue (#B0C4DE)ΔE 9.13, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EFD8AD
Analogous#ADE5EF, #B7ADEF
Triadic#EFADC4, #C4EFAD
Split complementary#EFB7AD, #E5EFAD
Tetradic#EFADE5, #EFD8AD, #ADEFB7

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FFFFFF
Lighter +10%#D8E3F7
Darker −10%#82A5E7
Darker −20%#5887DE
Darker −30%#2D68D6
Darker −40%#2253AE
More saturated +25%#A1C0FB
Less saturated −25%#B9C8E3

Channel breakdown

R173
G196
B239
Red173 (67.8%)
Green196 (76.9%)
Blue239 (93.7%)
Hue219.09°
Saturation (HSL)67.35%
Lightness80.78%
Dominant channelBlue
Hex per channelR AD · G C4 · B EF

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Every value on this page was computed from “adc4ef” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.