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Recognised as Colour

#0591A0

  • #0591A0
  • Cyan
  • Dark
  • Nearest: Dark cyan

#0591A0 is a cyan with RGB values 5, 145, 160 and HSL 186°, 94%, 32%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Dark cyan.

Colour values

#0591A0#0591A0
HEX#0591A0
RGBrgb(5, 145, 160)
RGB (0–1)0.0196, 0.5686, 0.6275
RGB percentages2%, 56.9%, 62.7%
HSLhsl(185.8, 93.9%, 32.4%)
HSV / HSBhsv(185.8, 96.9%, 62.7%)
CMYK96.9%, 9.4%, 0%, 37.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer364,960
CSS custom property--colour: #0591A0;

Brightness & contrast

Relative luminance0.22821WCAG 2.x, 0 is black and 1 is white
Perceived brightness123.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.56:1
Contrast with white3.77:1WCAG normal text: Fail
Contrast with black5.56:1WCAG normal text: AA
Greyscale equivalent#747474
Inverted#FA6E5F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#838BA1no red cones; affects about 1% of men; ΔE 28.9 from the original
Deuteranopia#717EA0no green cones; the most common form, about 1% of men; ΔE 30 from the original
Tritanopia#009895no blue cones; rare, and affects men and women equally; ΔE 11.7 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 text5.56:1WCAG large text: AAA

Named colours

Dark cyan · ΔE 9.5Teal · ΔE 11.1Cadetblue · ΔE 13.4Light seagreen · ΔE 18.9Dark turquoise · ΔE 24.8Light slate grey · ΔE 24.9
Nearest named CSS colourDark cyan (#008B8B)ΔE 9.48, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A01405
Analogous#05A061, #0544A0
Triadic#A00591, #91A005
Split complementary#A00544, #A06205
Tetradic#6105A0, #A01405, #43A005

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#76EEFB
Lighter +30%#45E8F9
Lighter +20%#13E2F8
Lighter +10%#07BED1
Darker −10%#03646F
Darker −20%#02373D
Darker −30%#000B0C
Darker −40%#000000
More saturated +25%#0095A5
Less saturated −25%#1A808B

Channel breakdown

R5
G145
B160
Red5 (2%)
Green145 (56.9%)
Blue160 (62.7%)
Hue185.81°
Saturation (HSL)93.94%
Lightness32.35%
Dominant channelBlue
Hex per channelR 05 · G 91 · B A0

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Every value on this page was computed from “0591a0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.