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Recognised as Colour

#1D97A4

  • #1D97A4
  • Cyan
  • Dark
  • Nearest: Dark cyan

#1D97A4 is a cyan with RGB values 29, 151, 164 and HSL 186°, 70%, 38%. It is a dark colour, so black text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Dark cyan.

Colour values

#1D97A4#1D97A4
HEX#1D97A4
RGBrgb(29, 151, 164)
RGB (0–1)0.1137, 0.5922, 0.6431
RGB percentages11.4%, 59.2%, 64.3%
HSLhsl(185.8, 69.9%, 37.8%)
HSV / HSBhsv(185.8, 82.3%, 64.3%)
CMYK82.3%, 7.9%, 0%, 35.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,939,364
CSS custom property--colour: #1D97A4;

Brightness & contrast

Relative luminance0.25075WCAG 2.x, 0 is black and 1 is white
Perceived brightness129.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.01:1
Contrast with white3.49:1WCAG normal text: Fail
Contrast with black6.01:1WCAG normal text: AA
Greyscale equivalent#7E7E7E
Inverted#E2685B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8991A5no red cones; affects about 1% of men; ΔE 28.6 from the original
Deuteranopia#7884A4no green cones; the most common form, about 1% of men; ΔE 30 from the original
Tritanopia#009E9Bno blue cones; rare, and affects men and women equally; ΔE 11 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.49:1WCAG large text: AA
Contrast with black, large text6.01:1WCAG large text: AAA

Named colours

Dark cyan · ΔE 9.4Cadetblue · ΔE 11.7Teal · ΔE 11.8Light seagreen · ΔE 16.8Dark turquoise · ΔE 22.6Medium turquoise · ΔE 23.7
Nearest named CSS colourDark cyan (#008B8B)ΔE 9.35, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A42A1D
Analogous#1DA46E, #1D53A4
Triadic#A41D97, #97A41D
Split complementary#A41D53, #A46E1D
Tetradic#6E1DA4, #A42A1D, #54A41D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9FE6EE
Lighter +30%#74DBE6
Lighter +20%#48D0DF
Lighter +10%#25BFCF
Darker −10%#156F79
Darker −20%#0E474D
Darker −30%#061F22
Darker −40%#000000
More saturated +25%#05AABC
Less saturated −25%#35848C

Channel breakdown

R29
G151
B164
Red29 (11.4%)
Green151 (59.2%)
Blue164 (64.3%)
Hue185.78°
Saturation (HSL)69.95%
Lightness37.84%
Dominant channelBlue
Hex per channelR 1D · G 97 · B A4

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Every value on this page was computed from “1d97a4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.