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Colour

#859ACF

  • #859ACF
  • Blue
  • Dark
  • Nearest: Steel blue

#859ACF is a blue with RGB values 133, 154, 207 and HSL 223°, 44%, 67%. It is a dark colour, so black text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#859ACF#859ACF
HEX#859ACF
RGBrgb(133, 154, 207)
RGB (0–1)0.5216, 0.6039, 0.8118
RGB percentages52.2%, 60.4%, 81.2%
HSLhsl(223, 43.5%, 66.7%)
HSV / HSBhsv(223, 35.7%, 81.2%)
CMYK35.7%, 25.6%, 0%, 18.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,755,919
CSS custom property--colour: #859ACF;

Brightness & contrast

Relative luminance0.32603WCAG 2.x, 0 is black and 1 is white
Perceived brightness155.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.52:1
Contrast with white2.79:1WCAG normal text: Fail
Contrast with black7.52:1WCAG normal text: AAA
Greyscale equivalent#999999
Inverted#7A6530

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#889ED1no red cones; affects about 1% of men; ΔE 1.9 from the original
Deuteranopia#8298CEno green cones; the most common form, about 1% of men; ΔE 1 from the original
Tritanopia#6FA5ACno blue cones; rare, and affects men and women equally; ΔE 29.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.79:1WCAG large text: Fail
Contrast with black, large text7.52:1WCAG large text: AAA

Named colours

Steel blue · ΔE 15.1Cornflower blue · ΔE 20.2Light slate grey · ΔE 21.5Light steelblue · ΔE 21.5Light skyblue · ΔE 22.8Slate grey · ΔE 23.2
Nearest named CSS colourSteel blue (#4682B4)ΔE 15.08, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CFBA85
Analogous#85BFCF, #9585CF
Triadic#CF859A, #9ACF85
Split complementary#CF9585, #BFCF85
Tetradic#CF85BF, #CFBA85, #85CF95

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F3F5FA
Lighter +20%#CED7EC
Lighter +10%#AAB8DD
Darker −10%#607CC1
Darker −20%#4361AB
Darker −30%#354C86
Darker −40%#263762
More saturated +25%#7091E4
Less saturated −25%#9AA3BA

Channel breakdown

R133
G154
B207
Red133 (52.2%)
Green154 (60.4%)
Blue207 (81.2%)
Hue222.97°
Saturation (HSL)43.53%
Lightness66.67%
Dominant channelBlue
Hex per channelR 85 · G 9A · B CF

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Every value on this page was computed from “859acf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.