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Recognised as Colour

#75B5E7

  • #75B5E7
  • Blue
  • Dark
  • Nearest: Light skyblue

#75B5E7 is a blue with RGB values 117, 181, 231 and HSL 206°, 70%, 68%. It is a dark colour, so black text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Light skyblue.

Colour values

#75B5E7#75B5E7
HEX#75B5E7
RGBrgb(117, 181, 231)
RGB (0–1)0.4588, 0.7098, 0.9059
RGB percentages45.9%, 71%, 90.6%
HSLhsl(206.3, 70.4%, 68.2%)
HSV / HSBhsv(206.3, 49.4%, 90.6%)
CMYK49.4%, 21.6%, 0%, 9.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer7,714,279
CSS custom property--colour: #75B5E7;

Brightness & contrast

Relative luminance0.42599WCAG 2.x, 0 is black and 1 is white
Perceived brightness171.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.52:1
Contrast with white2.21:1WCAG normal text: Fail
Contrast with black9.52:1WCAG normal text: AAA
Greyscale equivalent#ABABAB
Inverted#8A4A18

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A0B5E9no red cones; affects about 1% of men; ΔE 12.3 from the original
Deuteranopia#90A9E6no green cones; the most common form, about 1% of men; ΔE 13.4 from the original
Tritanopia#3CC1C6no blue cones; rare, and affects men and women equally; ΔE 32.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.21:1WCAG large text: Fail
Contrast with black, large text9.52:1WCAG large text: AAA

Named colours

Light skyblue · ΔE 9.7Sky blue · ΔE 15Deep skyblue · ΔE 15.5Light steelblue · ΔE 18.5Steel blue · ΔE 19.1Light blue · ΔE 23.8
Nearest named CSS colourLight skyblue (#87CEFA)ΔE 9.7, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E7A775
Analogous#75E7E0, #757CE7
Triadic#E775B5, #B5E775
Split complementary#E7757C, #E7E075
Tetradic#E075E7, #E7A775, #7CE775

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F7FBFE
Lighter +20%#CCE4F6
Lighter +10%#A0CCEF
Darker −10%#4A9EDF
Darker −20%#2486D2
Darker −30%#1D6AA6
Darker −40%#154E7B
More saturated +25%#61B7FB
Less saturated −25%#89B3D3

Channel breakdown

R117
G181
B231
Red117 (45.9%)
Green181 (71%)
Blue231 (90.6%)
Hue206.32°
Saturation (HSL)70.37%
Lightness68.24%
Dominant channelBlue
Hex per channelR 75 · G B5 · B E7

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Every value on this page was computed from “75b5e7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.