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Recognised as Colour

#188FA8

  • #188FA8
  • Cyan
  • Dark
  • Nearest: Dark cyan

#188FA8 is a cyan with RGB values 24, 143, 168 and HSL 190°, 75%, 38%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Dark cyan.

Colour values

#188FA8#188FA8
HEX#188FA8
RGBrgb(24, 143, 168)
RGB (0–1)0.0941, 0.5608, 0.6588
RGB percentages9.4%, 56.1%, 65.9%
HSLhsl(190.4, 75%, 37.6%)
HSV / HSBhsv(190.4, 85.7%, 65.9%)
CMYK85.7%, 14.9%, 0%, 34.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,609,640
CSS custom property--colour: #188FA8;

Brightness & contrast

Relative luminance0.22666WCAG 2.x, 0 is black and 1 is white
Perceived brightness124.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.53:1
Contrast with white3.8:1WCAG normal text: Fail
Contrast with black5.53:1WCAG normal text: AA
Greyscale equivalent#787878
Inverted#E77057

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7E8AA9no red cones; affects about 1% of men; ΔE 24.9 from the original
Deuteranopia#6C7DA8no green cones; the most common form, about 1% of men; ΔE 26.5 from the original
Tritanopia#009897no blue cones; rare, and affects men and women equally; ΔE 17.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.8:1WCAG large text: AA
Contrast with black, large text5.53:1WCAG large text: AAA

Named colours

Dark cyan · ΔE 15.9Cadetblue · ΔE 16Teal · ΔE 16.5Steel blue · ΔE 20.5Light slate grey · ΔE 22.3Slate grey · ΔE 22.7
Nearest named CSS colourDark cyan (#008B8B)ΔE 15.89, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A83118
Analogous#18A879, #1847A8
Triadic#A8188F, #8FA818
Split complementary#A81847, #A87918
Tetradic#7918A8, #A83118, #47A818

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9BE2F1
Lighter +30%#6FD5EA
Lighter +20%#42C8E4
Lighter +10%#1EB5D5
Darker −10%#12697B
Darker −20%#0B434F
Darker −30%#051D22
Darker −40%#000000
More saturated +25%#009FC0
Less saturated −25%#307F90

Channel breakdown

R24
G143
B168
Red24 (9.4%)
Green143 (56.1%)
Blue168 (65.9%)
Hue190.42°
Saturation (HSL)75%
Lightness37.65%
Dominant channelBlue
Hex per channelR 18 · G 8F · B A8

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Every value on this page was computed from “188fa8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.