Recognised as Colour

#57888F

#57888F
Cyan
Dark
Nearest: Cadetblue

#57888F is a cyan with RGB values 87, 136, 143 and HSL 188°, 24%, 45%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Cadetblue.

Colour values

#57888F#57888F

HEX#57888F

RGBrgb(87, 136, 143)

RGB (0–1)0.3412, 0.5333, 0.5608

RGB percentages34.1%, 53.3%, 56.1%

HSLhsl(187.5, 24.3%, 45.1%)

HSV / HSBhsv(187.5, 39.2%, 56.1%)

CMYK39.2%, 4.9%, 0%, 43.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,736,591

CSS custom property--colour: #57888F;

Brightness & contrast

Relative luminance0.21618WCAG 2.x, 0 is black and 1 is white

Perceived brightness124.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.32:1

Contrast with white3.94:1WCAG normal text: Fail

Contrast with black5.32:1WCAG normal text: AA

Greyscale equivalent#7E7E7E

Inverted#A87770

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#80848Fno red cones; affects about 1% of men; ΔE 15.7 from the original

Deuteranopia#777D8Fno green cones; the most common form, about 1% of men; ΔE 16.4 from the original

Tritanopia#408C8Ano blue cones; rare, and affects men and women equally; ΔE 9.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.94:1WCAG large text: AA

Contrast with black, large text5.32:1WCAG large text: AAA

Named colours

Cadetblue · ΔE 9.2 Slate grey · ΔE 12.6 Light slate grey · ΔE 12.7 Teal · ΔE 15.2 Dark cyan · ΔE 16.1 Gray · ΔE 17.1

Nearest named CSS colourCadetblue (#5F9EA0)ΔE 9.22, clearly different but related

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8F5E57

Analogous#578F7A, #576C8F

Triadic#8F5788, #888F57

Split complementary#8F576C, #8F7A57

Tetradic#7A578F, #8F5E57, #6C8F57

Tints, shades & saturation

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

Lighter +40%#D0E0E2

Lighter +30%#B0CBCF

Lighter +20%#90B6BC

Lighter +10%#71A1A8

Darker −10%#446A6F

Darker −20%#304C50

Darker −30%#1D2E30

Darker −40%#0A0F10

More saturated +25%#3A9EAC

Less saturated −25%#737373

Channel breakdown

R87

G136

B143

Red87 (34.1%)

Green136 (53.3%)

Blue143 (56.1%)

Hue187.5°

Saturation (HSL)24.35%

Lightness45.1%

Dominant channelBlue

Hex per channelR 57 · G 88 · B 8F

Keep nerding

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

#57888F

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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