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Recognised as Colour

#0D87BB

  • #0D87BB
  • Cyan
  • Dark
  • Nearest: Steel blue

#0D87BB is a cyan with RGB values 13, 135, 187 and HSL 198°, 87%, 39%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#0D87BB#0D87BB
HEX#0D87BB
RGBrgb(13, 135, 187)
RGB (0–1)0.051, 0.5294, 0.7333
RGB percentages5.1%, 52.9%, 73.3%
HSLhsl(197.9, 87%, 39.2%)
HSV / HSBhsv(197.9, 93%, 73.3%)
CMYK93%, 27.8%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer886,715
CSS custom property--colour: #0D87BB;

Brightness & contrast

Relative luminance0.21001WCAG 2.x, 0 is black and 1 is white
Perceived brightness121.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.2:1
Contrast with white4.04:1WCAG normal text: Fail
Contrast with black5.2:1WCAG normal text: AA
Greyscale equivalent#717171
Inverted#F27844

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6D86BDno red cones; affects about 1% of men; ΔE 17.4 from the original
Deuteranopia#5878BAno green cones; the most common form, about 1% of men; ΔE 19.2 from the original
Tritanopia#009599no blue cones; rare, and affects men and women equally; ΔE 31.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.04:1WCAG large text: AA
Contrast with black, large text5.2:1WCAG large text: AAA

Named colours

Steel blue · ΔE 7.8Deep skyblue · ΔE 21.8Light slate grey · ΔE 26.2Cornflower blue · ΔE 26.3Slate grey · ΔE 26.5Light skyblue · ΔE 27.7
Nearest named CSS colourSteel blue (#4682B4)ΔE 7.84, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BB410D
Analogous#0DBB98, #0D30BB
Triadic#BB0D87, #87BB0D
Split complementary#BB0D30, #BB980D
Tetradic#980DBB, #BB410D, #30BB0D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9CDDF8
Lighter +30%#6CCCF5
Lighter +20%#3DBBF1
Lighter +10%#10A9EB
Darker −10%#0A658B
Darker −20%#06425C
Darker −30%#03202C
Darker −40%#000000
More saturated +25%#008CC8
Less saturated −25%#267DA2

Channel breakdown

R13
G135
B187
Red13 (5.1%)
Green135 (52.9%)
Blue187 (73.3%)
Hue197.93°
Saturation (HSL)87%
Lightness39.22%
Dominant channelBlue
Hex per channelR 0D · G 87 · B BB

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Every value on this page was computed from “0d87bb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.