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Recognised as Colour

#259DA3

  • #259DA3
  • Cyan
  • Dark
  • Nearest: Dark cyan

#259DA3 is a cyan with RGB values 37, 157, 163 and HSL 183°, 63%, 39%. It is a dark colour, so black text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Dark cyan.

Colour values

#259DA3#259DA3
HEX#259DA3
RGBrgb(37, 157, 163)
RGB (0–1)0.1451, 0.6157, 0.6392
RGB percentages14.5%, 61.6%, 63.9%
HSLhsl(182.9, 63%, 39.2%)
HSV / HSBhsv(182.9, 77.3%, 63.9%)
CMYK77.3%, 3.7%, 0%, 36.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,465,187
CSS custom property--colour: #259DA3;

Brightness & contrast

Relative luminance0.27152WCAG 2.x, 0 is black and 1 is white
Perceived brightness133.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.43:1
Contrast with white3.27:1WCAG normal text: Fail
Contrast with black6.43:1WCAG normal text: AA
Greyscale equivalent#848484
Inverted#DA625C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9196A4no red cones; affects about 1% of men; ΔE 30.8 from the original
Deuteranopia#7F89A4no green cones; the most common form, about 1% of men; ΔE 31.9 from the original
Tritanopia#00A39Fno blue cones; rare, and affects men and women equally; ΔE 7.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.27:1WCAG large text: AA
Contrast with black, large text6.43:1WCAG large text: AAA

Named colours

Dark cyan · ΔE 7.8Cadetblue · ΔE 10.9Teal · ΔE 11.5Light seagreen · ΔE 12.2Dark turquoise · ΔE 19.5Medium turquoise · ΔE 19.9
Nearest named CSS colourDark cyan (#008B8B)ΔE 7.81, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A32B25
Analogous#25A36A, #255EA3
Triadic#A3259D, #9DA325
Split complementary#A3255E, #A36A25
Tetradic#6A25A3, #A32B25, #5EA325

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A9E8EB
Lighter +30%#7FDDE2
Lighter +20%#55D2D9
Lighter +10%#2EC5CD
Darker −10%#1C7579
Darker −20%#124D50
Darker −30%#092526
Darker −40%#000000
More saturated +25%#0CB4BC
Less saturated −25%#3E868A

Channel breakdown

R37
G157
B163
Red37 (14.5%)
Green157 (61.6%)
Blue163 (63.9%)
Hue182.86°
Saturation (HSL)63%
Lightness39.22%
Dominant channelBlue
Hex per channelR 25 · G 9D · B A3

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Every value on this page was computed from “259da3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.