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Recognised as Colour

#17969E

  • #17969E
  • Cyan
  • Dark
  • Nearest: Dark cyan

#17969E is a cyan with RGB values 23, 150, 158 and HSL 184°, 75%, 35%. It is a dark colour, so black text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Dark cyan.

Colour values

#17969E#17969E
HEX#17969E
RGBrgb(23, 150, 158)
RGB (0–1)0.0902, 0.5882, 0.6196
RGB percentages9%, 58.8%, 62%
HSLhsl(183.6, 74.6%, 35.5%)
HSV / HSBhsv(183.6, 85.4%, 62%)
CMYK85.4%, 5.1%, 0%, 38%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,545,886
CSS custom property--colour: #17969E;

Brightness & contrast

Relative luminance0.24463WCAG 2.x, 0 is black and 1 is white
Perceived brightness127.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.89:1
Contrast with white3.56:1WCAG normal text: Fail
Contrast with black5.89:1WCAG normal text: AA
Greyscale equivalent#7C7C7C
Inverted#E86961

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8A8F9Fno red cones; affects about 1% of men; ΔE 30.6 from the original
Deuteranopia#78829Eno green cones; the most common form, about 1% of men; ΔE 31.6 from the original
Tritanopia#009C98no blue cones; rare, and affects men and women equally; ΔE 8.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.56:1WCAG large text: AA
Contrast with black, large text5.89:1WCAG large text: AAA

Named colours

Dark cyan · ΔE 6.5Teal · ΔE 9.6Cadetblue · ΔE 11.7Light seagreen · ΔE 14.6Dark turquoise · ΔE 21.9Medium turquoise · ΔE 22.7
Nearest named CSS colourDark cyan (#008B8B)ΔE 6.49, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9E1F17
Analogous#179E62, #17539E
Triadic#9E1796, #969E17
Split complementary#9E1752, #9E6217
Tetradic#63179E, #9E1F17, #539E17

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#92EAEF
Lighter +30%#65E1E9
Lighter +20%#39D8E2
Lighter +10%#1DC0CB
Darker −10%#116C71
Darker −20%#0A4145
Darker −30%#041718
Darker −40%#000000
More saturated +25%#00AAB5
Less saturated −25%#2E8287

Channel breakdown

R23
G150
B158
Red23 (9%)
Green150 (58.8%)
Blue158 (62%)
Hue183.56°
Saturation (HSL)74.59%
Lightness35.49%
Dominant channelBlue
Hex per channelR 17 · G 96 · B 9E

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Every value on this page was computed from “17969e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.