Recognised as Colour

#51897E

#51897E
Cyan
Dark
Nearest: Cadetblue

#51897E is a cyan with RGB values 81, 137, 126 and HSL 168°, 26%, 43%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Cadetblue.

Colour values

#51897E#51897E

HEX#51897E

RGBrgb(81, 137, 126)

RGB (0–1)0.3176, 0.5373, 0.4941

RGB percentages31.8%, 53.7%, 49.4%

HSLhsl(168.2, 25.7%, 42.7%)

HSV / HSBhsv(168.2, 40.9%, 53.7%)

CMYK40.9%, 0%, 8%, 46.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,343,614

CSS custom property--colour: #51897E;

Brightness & contrast

Relative luminance0.21147WCAG 2.x, 0 is black and 1 is white

Perceived brightness121.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.23:1

Contrast with white4.02:1WCAG normal text: Fail

Contrast with black5.23:1WCAG normal text: AA

Greyscale equivalent#7C7C7C

Inverted#AE7681

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#85837Eno red cones; affects about 1% of men; ΔE 21.3 from the original

Deuteranopia#7B7C7Fno green cones; the most common form, about 1% of men; ΔE 21.6 from the original

Tritanopia#3D8B86no blue cones; rare, and affects men and women equally; ΔE 6.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text4.02:1WCAG large text: AA

Contrast with black, large text5.23:1WCAG large text: AAA

Named colours

Cadetblue · ΔE 11.1 Teal · ΔE 12.5 Dark cyan · ΔE 13.1 Gray · ΔE 21.2 Light seagreen · ΔE 21.6 Slate grey · ΔE 21.9

Nearest named CSS colourCadetblue (#5F9EA0)ΔE 11.12, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#89515C

Analogous#518962, #517889

Triadic#7E5189, #897E51

Split complementary#895178, #896251

Tetradic#625189, #89515C, #788951

Tints, shades & saturation

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

Lighter +40%#C8DEDA

Lighter +30%#A8CBC4

Lighter +20%#88B8AF

Lighter +10%#68A599

Darker −10%#3E6961

Darker −20%#2B4943

Darker −30%#182926

Darker −40%#050908

More saturated +25%#36A48F

Less saturated −25%#6C6E6D

Channel breakdown

R81

G137

B126

Red81 (31.8%)

Green137 (53.7%)

Blue126 (49.4%)

Hue168.21°

Saturation (HSL)25.69%

Lightness42.75%

Dominant channelGreen

Hex per channelR 51 · G 89 · B 7E

Keep nerding

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

#51897E

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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