Recognised as Colour

#2188AF

#2188AF
Cyan
Dark
Nearest: Steel blue

#2188AF is a cyan with RGB values 33, 136, 175 and HSL 196°, 68%, 41%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#2188AF#2188AF

HEX#2188AF

RGBrgb(33, 136, 175)

RGB (0–1)0.1294, 0.5333, 0.6863

RGB percentages12.9%, 53.3%, 68.6%

HSLhsl(196.5, 68.3%, 40.8%)

HSV / HSBhsv(196.5, 81.1%, 68.6%)

CMYK81.1%, 22.3%, 0%, 31.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,197,679

CSS custom property--colour: #2188AF;

Brightness & contrast

Relative luminance0.21027WCAG 2.x, 0 is black and 1 is white

Perceived brightness121.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.21:1

Contrast with white4.03:1WCAG normal text: Fail

Contrast with black5.21:1WCAG normal text: AA

Greyscale equivalent#757575

Inverted#DE7750

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7486B1no red cones; affects about 1% of men; ΔE 19.4 from the original

Deuteranopia#6179AEno green cones; the most common form, about 1% of men; ΔE 20.5 from the original

Tritanopia#009395no blue cones; rare, and affects men and women equally; ΔE 24.7 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text4.03:1WCAG large text: AA

Contrast with black, large text5.21:1WCAG large text: AAA

Named colours

Steel blue · ΔE 11.2 Light slate grey · ΔE 21.7 Slate grey · ΔE 22 Cadetblue · ΔE 23.2 Deep skyblue · ΔE 24.2 Teal · ΔE 25.1

Nearest named CSS colourSteel blue (#4682B4)ΔE 11.21, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#AF4821

Analogous#21AF8F, #2141AF

Triadic#AF2188, #88AF21

Split complementary#AF2141, #AF8F21

Tetradic#8F21AF, #AF4821, #41AF21

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#ADDDEF

Lighter +30%#82CBE7

Lighter +20%#57BADF

Lighter +10%#2CA8D7

Darker −10%#196784

Darker −20%#114559

Darker −30%#09242E

Darker −40%#010303

More saturated +25%#0794C9

Less saturated −25%#3B7C95

Channel breakdown

R33

G136

B175

Red33 (12.9%)

Green136 (53.3%)

Blue175 (68.6%)

Hue196.48°

Saturation (HSL)68.27%

Lightness40.78%

Dominant channelBlue

Hex per channelR 21 · G 88 · B AF

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#2188AF

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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