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Recognised as Colour

#009DDA

  • #009DDA
  • Cyan
  • Dark
  • Nearest: Deep skyblue

#009DDA is a cyan with RGB values 0, 157, 218 and HSL 197°, 100%, 43%. It is a dark colour, so black text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Deep skyblue.

Colour values

#009DDA#009DDA
HEX#009DDA
RGBrgb(0, 157, 218)
RGB (0–1)0, 0.6157, 0.8549
RGB percentages0%, 61.6%, 85.5%
HSLhsl(196.8, 100%, 42.7%)
HSV / HSBhsv(196.8, 100%, 85.5%)
CMYK100%, 28%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer40,410
CSS custom property--colour: #009DDA;

Brightness & contrast

Relative luminance0.29176WCAG 2.x, 0 is black and 1 is white
Perceived brightness141 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.84:1
Contrast with white3.07:1WCAG normal text: Fail
Contrast with black6.84:1WCAG normal text: AA
Greyscale equivalent#808080
Inverted#FF6225

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7F9CDDno red cones; affects about 1% of men; ΔE 19.9 from the original
Deuteranopia#658BD9no green cones; the most common form, about 1% of men; ΔE 22 from the original
Tritanopia#00ADB2no blue cones; rare, and affects men and women equally; ΔE 35.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.07:1WCAG large text: AA
Contrast with black, large text6.84:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 12.9Steel blue · ΔE 14.6Light skyblue · ΔE 22.4Cornflower blue · ΔE 23.6Sky blue · ΔE 26.6Light slate grey · ΔE 31.5
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 12.87, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DA3D00
Analogous#00DAAA, #0030DA
Triadic#DA009D, #9DDA00
Split complementary#DA0030, #DAAA00
Tetradic#AA00DA, #DA3D00, #30DA00

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A7E6FF
Lighter +30%#74D8FF
Lighter +20%#41CAFF
Lighter +10%#0EBCFF
Darker −10%#0078A7
Darker −20%#005474
Darker −30%#002F41
Darker −40%#000A0E
More saturated +25%#009DDA
Less saturated −25%#1B91BF

Channel breakdown

R0
G157
B218
Red0 (0%)
Green157 (61.6%)
Blue218 (85.5%)
Hue196.79°
Saturation (HSL)100%
Lightness42.75%
Dominant channelBlue
Hex per channelR 00 · G 9D · B DA

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Every value on this page was computed from “009dda” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.