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Colour

#4688CA

  • #4688CA
  • Blue
  • Dark
  • Nearest: Steel blue

#4688CA is a blue with RGB values 70, 136, 202 and HSL 210°, 55%, 53%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#4688CA#4688CA
HEX#4688CA
RGBrgb(70, 136, 202)
RGB (0–1)0.2745, 0.5333, 0.7922
RGB percentages27.5%, 53.3%, 79.2%
HSLhsl(210, 55.5%, 53.3%)
HSV / HSBhsv(210, 65.3%, 79.2%)
CMYK65.3%, 32.7%, 0%, 20.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,622,538
CSS custom property--colour: #4688CA;

Brightness & contrast

Relative luminance0.23175WCAG 2.x, 0 is black and 1 is white
Perceived brightness130.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.63:1
Contrast with white3.73:1WCAG normal text: Fail
Contrast with black5.63:1WCAG normal text: AA
Greyscale equivalent#7F7F7F
Inverted#B97735

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6B8BCDno red cones; affects about 1% of men; ΔE 8 from the original
Deuteranopia#597FC9no green cones; the most common form, about 1% of men; ΔE 9.1 from the original
Tritanopia#0097A0no blue cones; rare, and affects men and women equally; ΔE 39.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.73:1WCAG large text: AA
Contrast with black, large text5.63:1WCAG large text: AAA

Named colours

Steel blue · ΔE 9.5Cornflower blue · ΔE 14.7Deep skyblue · ΔE 24.7Dodgerblue · ΔE 25.5Light skyblue · ΔE 29.2Light slate grey · ΔE 29.3
Nearest named CSS colourSteel blue (#4682B4)ΔE 9.48, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CA8846
Analogous#46CACA, #4646CA
Triadic#CA4688, #88CA46
Split complementary#CA4646, #CACA46
Tetradic#CA46CA, #CA8846, #46CA46

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E5EEF7
Lighter +30%#BDD5EC
Lighter +20%#95BBE1
Lighter +10%#6EA2D5
Darker −10%#316FAC
Darker −20%#265584
Darker −30%#1B3C5D
Darker −40%#0F2235
More saturated +25%#2888E8
Less saturated −25%#6488AC

Channel breakdown

R70
G136
B202
Red70 (27.5%)
Green136 (53.3%)
Blue202 (79.2%)
Hue210°
Saturation (HSL)55.46%
Lightness53.33%
Dominant channelBlue
Hex per channelR 46 · G 88 · B CA

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Every value on this page was computed from “4688ca” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.