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Recognised as Colour

#158DBD

  • #158DBD
  • Cyan
  • Dark
  • Nearest: Steel blue

#158DBD is a cyan with RGB values 21, 141, 189 and HSL 197°, 80%, 41%. 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

#158DBD#158DBD
HEX#158DBD
RGBrgb(21, 141, 189)
RGB (0–1)0.0824, 0.5529, 0.7412
RGB percentages8.2%, 55.3%, 74.1%
HSLhsl(197.1, 80%, 41.2%)
HSV / HSBhsv(197.1, 88.9%, 74.1%)
CMYK88.9%, 25.4%, 0%, 25.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,412,541
CSS custom property--colour: #158DBD;

Brightness & contrast

Relative luminance0.22883WCAG 2.x, 0 is black and 1 is white
Perceived brightness126 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.58:1
Contrast with white3.77:1WCAG normal text: Fail
Contrast with black5.58:1WCAG normal text: AA
Greyscale equivalent#777777
Inverted#EA7242

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#758CBFno red cones; affects about 1% of men; ΔE 18.9 from the original
Deuteranopia#607DBCno green cones; the most common form, about 1% of men; ΔE 20.9 from the original
Tritanopia#009A9Dno blue cones; rare, and affects men and women equally; ΔE 29.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.77:1WCAG large text: AA
Contrast with black, large text5.58:1WCAG large text: AAA

Named colours

Steel blue · ΔE 9.7Deep skyblue · ΔE 20.2Light slate grey · ΔE 25.1Light skyblue · ΔE 25.4Slate grey · ΔE 25.7Sky blue · ΔE 27.2
Nearest named CSS colourSteel blue (#4682B4)ΔE 9.73, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BD4515
Analogous#15BD99, #1539BD
Triadic#BD158D, #8DBD15
Split complementary#BD1539, #BD9915
Tetradic#9915BD, #BD4515, #39BD15

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A9DFF5
Lighter +30%#7BCFF0
Lighter +20%#4DBEEB
Lighter +10%#1FADE6
Darker −10%#106B8F
Darker −20%#0B4961
Darker −30%#062633
Darker −40%#010405
More saturated +25%#0096D2
Less saturated −25%#2F82A3

Channel breakdown

R21
G141
B189
Red21 (8.2%)
Green141 (55.3%)
Blue189 (74.1%)
Hue197.14°
Saturation (HSL)80%
Lightness41.18%
Dominant channelBlue
Hex per channelR 15 · G 8D · B BD

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Every value on this page was computed from “158dbd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.